{
 "version": "https://jsonfeed.org/version/1.1",
 "title": "Nav2 default-parameter changelog (demo)",
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 "home_page_url": "https://fitzyracing1.github.io/knoblog/demo/nav2/",
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   "external_url": "https://github.com/ros-navigation/navigation2/commit/bcc9c48cf468588559d01942b72d511a6b990891",
   "title": "1 new parameter in nav2_bringup/.",
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   "title": "Parameter changes: bt_navigator.bt_search_directories [$(find-pkg-share nav2_bt_navigator)/be…→[$(find-pkg-share nav2_bt_navigator)/be….",
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   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/2723c20.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/2723c20c0f1e36ce27c9bcc3319412c183bddc68",
   "title": "2 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>Added 2 parameters: <code>bt_navigator.navigate_through_poses.transform_staleness_threshold</code> = <code>0.0</code> and <code>bt_navigator.navigate_to_pose.transform_staleness_threshold</code> = <code>0.0</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+2/−0).</li></ul>",
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      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/2723c20c0f1e36ce27c9bcc3319412c183bddc68/nav2_bringup/params/nav2_params.yaml",
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/2723c20c0f1e36ce27c9bcc3319412c183bddc68",
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      "file_url": "https://github.com/ros-navigation/navigation2/blob/2723c20c0f1e36ce27c9bcc3319412c183bddc68/nav2_bringup/params/nav2_params.yaml",
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   "id": "7b9bcb4c2d6851414f0c8db3c1ef5a595221bd74",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/7b9bcb4.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/7b9bcb4c2d6851414f0c8db3c1ef5a595221bd74",
   "title": "8 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>Added 8 parameters: <code>behavior_server.assisted_teleop.projection_time</code> = <code>1.0</code>, <code>behavior_server.assisted_teleop.simulation_time_step</code> = <code>0.1</code>, <code>behavior_server.backup.simulate_ahead_time</code> = <code>2.0</code>, <code>behavior_server.drive_on_heading.simulate_ahead_time</code> = <code>2.0</code>, <code>behavior_server.spin.max_rotational_vel</code> = <code>1.0</code>, <code>behavior_server.spin.min_rotational_vel</code> = <code>0.4</code>, <code>behavior_server.spin.rotational_acc_lim</code> = <code>3.2</code> and <code>behavior_server.spin.simulate_ahead_time</code> = <code>2.0</code>.</li><li>Removed 4 parameters: <code>behavior_server.max_rotational_vel</code>, <code>behavior_server.min_rotational_vel</code>, <code>behavior_server.rotational_acc_lim</code> and <code>behavior_server.simulate_ahead_time</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+8/−4).</li></ul>",
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   "date_published": "2026-09-20T15:59:07Z",
   "tags": [
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   ],
   "_knoblog": {
    "commit": "7a1651bc22472cd23c3fa9ef25dd9b60d981a515",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/7a1651bc22472cd23c3fa9ef25dd9b60d981a515",
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      "date": "2026-09-20T17:59:07+02:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/7a1651bc22472cd23c3fa9ef25dd9b60d981a515",
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      "file_url": "https://github.com/ros-navigation/navigation2/blob/7a1651bc22472cd23c3fa9ef25dd9b60d981a515/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.transform_staleness_threshold",
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      "old": null,
      "new": "0.0",
      "pct_change": null,
      "ratio": null
     }
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    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
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   "id": "af4233c67cafffe7e40c45197c833116fcbb8c1c",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/af4233c.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/af4233c67cafffe7e40c45197c833116fcbb8c1c",
   "title": "Velocity/acceleration limits changed: velocity_smoother.max_accel[0] 2.5→3.0, velocity_smoother.max_accel[2] 3.2→3.5, velocity_smoother.max_decel[0] -2.5→-3.0 and 1 more.",
   "content_html": "<ul><li>Velocity/acceleration limit defaults changed: <code>velocity_smoother.max_accel[0]</code>: <code>2.5</code> → <code>3.0</code> (+20%) (in <code>nav2_bringup/params/nav2_params.yaml</code>), <code>velocity_smoother.max_accel[2]</code>: <code>3.2</code> → <code>3.5</code> (+9.38%) (in <code>nav2_bringup/params/nav2_params.yaml</code>), <code>velocity_smoother.max_decel[0]</code>: <code>-2.5</code> → <code>-3.0</code> (−20%) (in <code>nav2_bringup/params/nav2_params.yaml</code>) and <code>velocity_smoother.max_decel[2]</code>: <code>-3.2</code> → <code>-3.5</code> (−9.38%) (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+2/−2).</li></ul>",
   "date_published": "2026-08-15T02:01:56Z",
   "tags": [
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   ],
   "_knoblog": {
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/af4233c67cafffe7e40c45197c833116fcbb8c1c",
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      "file_url": "https://github.com/ros-navigation/navigation2/blob/af4233c67cafffe7e40c45197c833116fcbb8c1c/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "velocity_smoother.max_accel[0]",
      "kind": "changed",
      "type": "number",
      "old": "2.5",
      "new": "3.0",
      "pct_change": 20.0,
      "ratio": 1.2
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      "date": "2026-08-14T19:01:56-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/af4233c67cafffe7e40c45197c833116fcbb8c1c",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/af4233c67cafffe7e40c45197c833116fcbb8c1c/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "velocity_smoother.max_accel[2]",
      "kind": "changed",
      "type": "number",
      "old": "3.2",
      "new": "3.5",
      "pct_change": 9.375,
      "ratio": 1.09375,
      "list_index": 2
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/af4233c67cafffe7e40c45197c833116fcbb8c1c",
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      "extractor": "ros2_yaml",
      "name": "velocity_smoother.max_decel[0]",
      "kind": "changed",
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      "new": "-3.0",
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      "ratio": 1.2
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      "short": "af4233c",
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      "extractor": "ros2_yaml",
      "name": "velocity_smoother.max_decel[2]",
      "kind": "changed",
      "type": "number",
      "old": "-3.2",
      "new": "-3.5",
      "pct_change": -9.375,
      "ratio": 1.09375,
      "list_index": 2
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     "posts": [
      "Nav2 update (Aug 15): velocity_smoother/max_accel[0] 2.5 → 3.0 (20% higher)\n- velocity_smoother/max_decel[0] -2.5 → -3.0 (20% lower)\n- velocity_smoother/max_accel[2] 3.2 → 3.5 (9.4% higher)\n- velocity_smoother/max_decel[2] -3.2 → -3.5 (9.4% lower)",
      "Details: https://fitzyracing1.github.io/knoblog/demo/nav2/entries/af4233c.html\nCommit: https://github.com/ros-navigation/navigation2/commit/af4233c67cafffe7e40c45197c833116fcbb8c1c\nValues are repo defaults from the params files."
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   "id": "cfd67ee61c329b81ea9c47ac8dabe9c7441f618d",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/cfd67ee.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/cfd67ee61c329b81ea9c47ac8dabe9c7441f618d",
   "title": "1 new parameter in nav2_bringup/.",
   "content_html": "<ul><li>Added 1 parameter: <code>planner_server.GridBased.max_cycles_factor</code> = <code>4</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+1/−0).</li></ul>",
   "date_published": "2026-08-06T17:26:14Z",
   "tags": [
    "params"
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      "file": "nav2_bringup/params/nav2_params.yaml",
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      "new": "4",
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     }
    ],
    "post": {
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     "reason": "no meaningful change"
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  {
   "id": "374cd2556640586251b1e49a346f6c8d0cb76224",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/374cd25.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/374cd2556640586251b1e49a346f6c8d0cb76224",
   "title": "3 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>Added 3 parameters: <code>controller_server.FollowPath.model_delay_vx</code> = <code>0.0</code>, <code>controller_server.FollowPath.model_delay_vy</code> = <code>0.0</code> and <code>controller_server.FollowPath.model_delay_wz</code> = <code>0.0</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+3/−0).</li></ul>",
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   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "374cd2556640586251b1e49a346f6c8d0cb76224",
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/374cd2556640586251b1e49a346f6c8d0cb76224",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/374cd2556640586251b1e49a346f6c8d0cb76224/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.FollowPath.model_delay_vx",
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      "old": null,
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      "file": "nav2_bringup/params/nav2_params.yaml",
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      "extractor": "ros2_yaml",
      "name": "controller_server.FollowPath.model_delay_vy",
      "kind": "added",
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     },
     {
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      "date": "2026-06-08T04:18:28-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/374cd2556640586251b1e49a346f6c8d0cb76224",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/374cd2556640586251b1e49a346f6c8d0cb76224/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.FollowPath.model_delay_wz",
      "kind": "added",
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      "old": null,
      "new": "0.0",
      "pct_change": null,
      "ratio": null
     }
    ],
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     "reason": "no meaningful change"
    }
   }
  },
  {
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   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/ec1c42d.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/ec1c42d36e85f70574aaa21a9f587585d1de3258",
   "title": "1 new parameter in nav2_bringup/.",
   "content_html": "<ul><li>Added 1 flag: <code>controller_server.FollowPath.open_loop</code> (default off).</li><li>Most activity in <code>nav2_bringup/</code> (+1/−0).</li></ul>",
   "date_published": "2026-05-07T02:51:13Z",
   "tags": [
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   ],
   "_knoblog": {
    "commit": "ec1c42d36e85f70574aaa21a9f587585d1de3258",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/ec1c42d36e85f70574aaa21a9f587585d1de3258",
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      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/ec1c42d36e85f70574aaa21a9f587585d1de3258/nav2_bringup/params/nav2_params.yaml",
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   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/8b40796.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/8b407960d5b0af4c0e04d06cfcac5358ed06e30e",
   "title": "Parameter changes: controller_server.FollowPath.motion_model \"DiffDrive\"→\"diff_drive\".",
   "content_html": "<ul><li>Parameter defaults changed: <code>controller_server.FollowPath.motion_model</code>: <code>&quot;DiffDrive&quot;</code> → <code>&quot;diff_drive&quot;</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Added 1 parameter: <code>controller_server.FollowPath.diff_drive.plugin</code> = <code>&quot;mppi::DiffDriveMotionModel&quot;</code>.</li><li>Removed 1 parameter: <code>controller_server.FollowPath.AckermannConstraints.min_turning_r</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+3/−3).</li></ul>",
   "date_published": "2026-04-21T23:19:08Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "8b407960d5b0af4c0e04d06cfcac5358ed06e30e",
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/8b407960d5b0af4c0e04d06cfcac5358ed06e30e",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/8b407960d5b0af4c0e04d06cfcac5358ed06e30e/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.FollowPath.AckermannConstraints.min_turning_r",
      "kind": "removed",
      "type": "number",
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      "date": "2026-04-21T16:19:08-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/8b407960d5b0af4c0e04d06cfcac5358ed06e30e",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/8b407960d5b0af4c0e04d06cfcac5358ed06e30e/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.FollowPath.diff_drive.plugin",
      "kind": "added",
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      "old": null,
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     },
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/8b407960d5b0af4c0e04d06cfcac5358ed06e30e",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/8b407960d5b0af4c0e04d06cfcac5358ed06e30e/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.FollowPath.motion_model",
      "kind": "changed",
      "type": "string",
      "old": "\"DiffDrive\"",
      "new": "\"diff_drive\"",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "640196af92900d073390b07bcd81935d486fd3bb",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/640196a.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/640196af92900d073390b07bcd81935d486fd3bb",
   "title": "1 new parameter in nav2_bringup/.",
   "content_html": "<ul><li>Added 1 parameter: <code>bt_navigator.default_cancel_timeout</code> = <code>50</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+1/−0).</li></ul>",
   "date_published": "2026-01-26T19:50:26Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "640196af92900d073390b07bcd81935d486fd3bb",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/640196af92900d073390b07bcd81935d486fd3bb",
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      "date": "2026-01-26T11:50:26-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/640196af92900d073390b07bcd81935d486fd3bb",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/640196af92900d073390b07bcd81935d486fd3bb/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.default_cancel_timeout",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "50",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
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   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/5a16959.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/5a169595f802e776838922699c31fccc92878c32",
   "title": "2 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>Added 2 parameters: <code>bt_navigator.navigate_through_poses.search_window</code> = <code>2.0</code> and <code>bt_navigator.navigate_to_pose.search_window</code> = <code>2.0</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+2/−0).</li></ul>",
   "date_published": "2026-01-15T19:53:48Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "5a169595f802e776838922699c31fccc92878c32",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/5a169595f802e776838922699c31fccc92878c32",
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      "date": "2026-01-15T11:53:48-08:00",
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      "name": "planner_server.service_introspection_mode",
      "kind": "removed",
      "type": "string",
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      "new": null,
      "pct_change": null,
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     },
     {
      "commit": "f6c5cc6c0dc5e59bda52d58b79f28aaa602147de",
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     "reason": "no meaningful change"
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  {
   "id": "792bcac93e44258a97f3d38cdf6a3a8f5714d4b6",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/792bcac.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/792bcac93e44258a97f3d38cdf6a3a8f5714d4b6",
   "title": "1 new parameter in nav2_bringup/.",
   "content_html": "<ul><li>Added 1 flag: <code>route_server.smooth_corners</code> (default on).</li><li>Most activity in <code>nav2_bringup/</code> (+1/−0).</li></ul>",
   "date_published": "2025-06-12T02:53:43Z",
   "tags": [
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   ],
   "_knoblog": {
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   "external_url": "https://github.com/ros-navigation/navigation2/commit/eb2235a86e3599d295060b1904e1f635f93ae9b7",
   "title": "4 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>Added 2 flags: <code>global_costmap.global_costmap.keepout_filter.override_lethal_cost</code> (default on) and <code>local_costmap.local_costmap.keepout_filter.override_lethal_cost</code> (default on).</li><li>Added 2 parameters: <code>global_costmap.global_costmap.keepout_filter.lethal_override_cost</code> = <code>200</code> and <code>local_costmap.local_costmap.keepout_filter.lethal_override_cost</code> = <code>200</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+4/−0).</li></ul>",
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   "tags": [
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      "- new local_costmap/local_costmap/keepout_filter/lethal_override_cost = 200\n\nDetails: https://fitzyracing1.github.io/knoblog/demo/nav2/entries/eb2235a.html\nCommit: https://github.com/ros-navigation/navigation2/commit/eb2235a86e3599d295060b1904e1f635f93ae9b7\nValues are repo defaults from the params files."
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   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/8fa97fc.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/8fa97fc491c63da35989d42e924bd7d0a965a58e",
   "title": "Parameter changes: global_costmap.global_costmap.keepout_filter.enabled True→KEEPOUT_ZONE_ENABLED, global_costmap.global_costmap.speed_filter.enabled True→SPEED_ZONE_ENABLED and local_costmap.local_costmap.keepout_filter.enabled True→KEEPOUT_ZONE_ENABLED.",
   "content_html": "<ul><li>Parameter defaults changed: <code>global_costmap.global_costmap.keepout_filter.enabled</code>: <code>True</code> → <code>KEEPOUT_ZONE_ENABLED</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>), <code>global_costmap.global_costmap.speed_filter.enabled</code>: <code>True</code> → <code>SPEED_ZONE_ENABLED</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>) and <code>local_costmap.local_costmap.keepout_filter.enabled</code>: <code>True</code> → <code>KEEPOUT_ZONE_ENABLED</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+3/−3).</li></ul>",
   "date_published": "2025-05-27T18:12:19Z",
   "tags": [
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      "name": "global_costmap.global_costmap.keepout_filter.enabled",
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    "post": {
     "status": "skip",
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    }
   }
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  {
   "id": "c9438b4cdad2653a32b5372f9f672b6684d40258",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/c9438b4.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/c9438b4cdad2653a32b5372f9f672b6684d40258",
   "title": "Removed 2 parameters: bt_navigator.action_server_result_timeout and waypoint_follower.action_server_result_timeout.",
   "content_html": "<ul><li>Removed 2 parameters: <code>bt_navigator.action_server_result_timeout</code> and <code>waypoint_follower.action_server_result_timeout</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+0/−2).</li></ul>",
   "date_published": "2025-05-20T22:52:28Z",
   "tags": [
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      "file": "nav2_bringup/params/nav2_params.yaml",
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      "name": "bt_navigator.action_server_result_timeout",
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  {
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   "external_url": "https://github.com/ros-navigation/navigation2/commit/cd7a0b75a0b9a6ac19ddf0de27d369f28dddef9c",
   "title": "6 new parameters in nav2_bringup/.",
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   "date_published": "2025-05-20T16:18:24Z",
   "tags": [
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      "extractor": "ros2_yaml",
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    "post": {
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     "posts": [
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     ],
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      192
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  },
  {
   "id": "df12f68464418582c7fad7d1790fc0480c8d1185",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/df12f68.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/df12f68464418582c7fad7d1790fc0480c8d1185",
   "title": "Parameter changes: global_costmap.global_costmap.filters [\"keepout_filter\"]→[\"keepout_filter\", \"speed_filter\"], global_costmap.global_costmap.keepout_filter.filter_info_topic \"costmap_filter_info\"→\"keepout_costmap_filter_info\" and local_costmap.local_costmap.keepout_filter.filter_info_topic \"costmap_filter_info\"→\"keepout_costmap_filter_info\".",
   "content_html": "<ul><li>Parameter defaults changed: <code>global_costmap.global_costmap.filters</code>: <code>[&quot;keepout_filter&quot;]</code> → <code>[&quot;keepout_filter&quot;, &quot;speed_filter&quot;]</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>), <code>global_costmap.global_costmap.keepout_filter.filter_info_topic</code>: <code>&quot;costmap_filter_info&quot;</code> → <code>&quot;keepout_costmap_filter_info&quot;</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>) and <code>local_costmap.local_costmap.keepout_filter.filter_info_topic</code>: <code>&quot;costmap_filter_info&quot;</code> → <code>&quot;keepout_costmap_filter_info&quot;</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Section renamed: <code>costmap_filter_info_server</code> → <code>keepout_costmap_filter_info_server</code> (4 keys, values unchanged).</li><li>Added 1 flag: <code>global_costmap.global_costmap.speed_filter.enabled</code> (default on).</li><li>Added 12 parameters: <code>controller_server.speed_limit_topic</code> = <code>&quot;speed_limit&quot;</code>, <code>global_costmap.global_costmap.speed_filter.filter_info_topic</code> = <code>&quot;speed_costmap_filter_info&quot;</code>, <code>global_costmap.global_costmap.speed_filter.plugin</code> = <code>&quot;nav2_costmap_2d::SpeedFilter&quot;</code>, <code>global_costmap.global_costmap.speed_filter.speed_limit_topic</code> = <code>&quot;speed_limit&quot;</code>, <code>keepout_costmap_filter_info_server.filter_info_topic</code> = <code>&quot;keepout_costmap_filter_info&quot;</code>, <code>keepout_filter_mask_server.topic_name</code> = <code>&quot;keepout_filter_mask&quot;</code>, <code>speed_costmap_filter_info_server.base</code> = <code>100.0</code>, <code>speed_costmap_filter_info_server.filter_info_topic</code> = <code>&quot;speed_costmap_filter_info&quot;</code> and 4 more.</li><li>Removed 2 parameters: <code>costmap_filter_info_server.filter_info_topic</code> and <code>filter_mask_server.topic_name</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+25/−6).</li></ul>",
   "date_published": "2025-05-15T22:12:40Z",
   "tags": [
    "params",
    "renamed"
   ],
   "_knoblog": {
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   "external_url": "https://github.com/ros-navigation/navigation2/commit/5f34bc362b65a6d4f3bd08f21c0531f6f1468b06",
   "title": "14 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>Added 2 flags: <code>global_costmap.global_costmap.keepout_filter.enabled</code> (default on) and <code>local_costmap.local_costmap.keepout_filter.enabled</code> (default on).</li><li>Added 12 parameters: <code>costmap_filter_info_server.base</code> = <code>0.0</code>, <code>costmap_filter_info_server.filter_info_topic</code> = <code>&quot;costmap_filter_info&quot;</code>, <code>costmap_filter_info_server.mask_topic</code> = <code>&quot;keepout_filter_mask&quot;</code>, <code>costmap_filter_info_server.multiplier</code> = <code>1.0</code>, <code>costmap_filter_info_server.type</code> = <code>0</code>, <code>filter_mask_server.topic_name</code> = <code>&quot;keepout_filter_mask&quot;</code>, <code>global_costmap.global_costmap.filters</code> = <code>[&quot;keepout_filter&quot;]</code>, <code>global_costmap.global_costmap.keepout_filter.filter_info_topic</code> = <code>&quot;costmap_filter_info&quot;</code> and 4 more.</li><li>Most activity in <code>nav2_bringup/</code> (+23/−0).</li></ul>",
   "date_published": "2025-05-09T21:22:28Z",
   "tags": [
    "params"
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      "Details: https://fitzyracing1.github.io/knoblog/demo/nav2/entries/5f34bc3.html\nCommit: https://github.com/ros-navigation/navigation2/commit/5f34bc362b65a6d4f3bd08f21c0531f6f1468b06\nValues are repo defaults from the params files."
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  {
   "id": "b6a5387d6823de6eb8008da995a72086e8ace1e5",
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   "external_url": "https://github.com/ros-navigation/navigation2/commit/b6a5387d6823de6eb8008da995a72086e8ace1e5",
   "title": "Parameter changes: bt_navigator.error_code_name_prefixes [assisted_teleop, backup, compute_path,…→[assisted_teleop, backup, compute_path,… and smoother_server.smoother_plugins [\"simple_smoother\"]→[\"simple_smoother\", \"route_smoother\"].",
   "content_html": "<ul><li>Parameter defaults changed: <code>bt_navigator.error_code_name_prefixes</code>: <code>[assisted_teleop, backup, compute_path, dock_robot, drive_on_heading, follow_path, nav_thru_poses, nav_to_pose, route, spin, undock_robot, wait]</code> → <code>[assisted_teleop, backup, compute_path, dock_robot, drive_on_heading, follow_path, nav_thru_poses, nav_to_pose, route, spin, smoother, undock_robot, wait]</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>) and <code>smoother_server.smoother_plugins</code>: <code>[&quot;simple_smoother&quot;]</code> → <code>[&quot;simple_smoother&quot;, &quot;route_smoother&quot;]</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Added 3 flags: <code>smoother_server.route_smoother.do_refinement</code> (default on), <code>smoother_server.route_smoother.enforce_path_inversion</code> (default off) and <code>smoother_server.simple_smoother.enforce_path_inversion</code> (default on).</li><li>Added 15 parameters: <code>route_server.AdjustSpeedLimit.plugin</code> = <code>&quot;nav2_route::AdjustSpeedLimit&quot;</code>, <code>route_server.CollisionMonitor.max_collision_dist</code> = <code>3.0</code>, <code>route_server.CollisionMonitor.plugin</code> = <code>&quot;nav2_route::CollisionMonitor&quot;</code>, <code>route_server.CostmapScorer.plugin</code> = <code>&quot;nav2_route::CostmapScorer&quot;</code>, <code>route_server.DistanceScorer.plugin</code> = <code>&quot;nav2_route::DistanceScorer&quot;</code>, <code>route_server.ReroutingService.plugin</code> = <code>&quot;nav2_route::ReroutingService&quot;</code>, <code>route_server.boundary_radius_to_achieve_node</code> = <code>1.0</code>, <code>route_server.edge_cost_functions</code> = <code>[&quot;DistanceScorer&quot;, &quot;CostmapScorer&quot;]</code> and 7 more.</li><li>Most activity in <code>nav2_bringup/</code> (+36/−2).</li></ul>",
   "date_published": "2025-04-28T23:03:25Z",
   "tags": [
    "params"
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      "extractor": "ros2_yaml",
      "name": "bt_navigator.navigate_to_pose.groot_server_port",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "1667",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "c673a4b209036ceb05ab77a0cdaa41cac284b73f",
      "short": "c673a4b",
      "date": "2025-04-10T12:15:28-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/c673a4b209036ceb05ab77a0cdaa41cac284b73f",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/c673a4b209036ceb05ab77a0cdaa41cac284b73f/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "docking_server.simple_charging_dock.plugin",
      "kind": "changed",
      "type": "string",
      "old": "'opennav_docking::SimpleChargingDock'",
      "new": "\"opennav_docking::SimpleChargingDock\"",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "34a4b7ce491d4f44f503125fb751d71dd0e2132a",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/34a4b7c.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/34a4b7ce491d4f44f503125fb751d71dd0e2132a",
   "title": "Parameter changes: docking_server.controller.costmap_topic \"/local_costmap/costmap_raw\"→\"local_costmap/costmap_raw\" and docking_server.controller.footprint_topic \"/local_costmap/published_footprint\"→\"local_costmap/published_footprint\".",
   "content_html": "<ul><li>Parameter defaults changed: <code>docking_server.controller.costmap_topic</code>: <code>&quot;/local_costmap/costmap_raw&quot;</code> → <code>&quot;local_costmap/costmap_raw&quot;</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>) and <code>docking_server.controller.footprint_topic</code>: <code>&quot;/local_costmap/published_footprint&quot;</code> → <code>&quot;local_costmap/published_footprint&quot;</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+2/−2).</li></ul>",
   "date_published": "2025-04-08T16:34:10Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
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      "date": "2025-04-08T09:34:10-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/34a4b7ce491d4f44f503125fb751d71dd0e2132a",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/34a4b7ce491d4f44f503125fb751d71dd0e2132a/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "docking_server.controller.costmap_topic",
      "kind": "changed",
      "type": "string",
      "old": "\"/local_costmap/costmap_raw\"",
      "new": "\"local_costmap/costmap_raw\"",
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     {
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      "file": "nav2_bringup/params/nav2_params.yaml",
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      "extractor": "ros2_yaml",
      "name": "docking_server.controller.footprint_topic",
      "kind": "changed",
      "type": "string",
      "old": "\"/local_costmap/published_footprint\"",
      "new": "\"local_costmap/published_footprint\"",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "c3d41d6a51618a11486135efd618f2829baa36bf",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/c3d41d6.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/c3d41d6a51618a11486135efd618f2829baa36bf",
   "title": "1 new parameter in nav2_bringup/.",
   "content_html": "<ul><li>Added 1 flag: <code>controller_server.FollowPath.publish_optimal_trajectory</code> (default on).</li><li>Most activity in <code>nav2_bringup/</code> (+1/−0).</li></ul>",
   "date_published": "2025-04-05T01:32:34Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "c3d41d6a51618a11486135efd618f2829baa36bf",
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/c3d41d6a51618a11486135efd618f2829baa36bf",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/c3d41d6a51618a11486135efd618f2829baa36bf/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.FollowPath.publish_optimal_trajectory",
      "kind": "added",
      "type": "bool",
      "old": null,
      "new": "true",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "ready",
     "posts": [
      "Nav2 update (Apr 5): new flag controller_server/FollowPath/publish_optimal_trajectory (ON by default)\n\nDetails: https://fitzyracing1.github.io/knoblog/demo/nav2/entries/c3d41d6.html\nCommit: https://github.com/ros-navigation/navigation2/commit/c3d41d6a51618a11486135efd618f2829baa36bf\nValues are repo defaults from the params files."
     ],
     "weighted_lengths": [
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    }
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  },
  {
   "id": "afe7175b526d9647f25ba19c4c90d6fbae7185ed",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/afe7175.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/afe7175b526d9647f25ba19c4c90d6fbae7185ed",
   "title": "1 new parameter in nav2_bringup/.",
   "content_html": "<ul><li>Added 1 parameter: <code>controller_server.FollowPath.ay_min</code> = <code>-3.0</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+1/−0).</li></ul>",
   "date_published": "2025-04-04T22:48:24Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "afe7175b526d9647f25ba19c4c90d6fbae7185ed",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/afe7175b526d9647f25ba19c4c90d6fbae7185ed",
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/afe7175b526d9647f25ba19c4c90d6fbae7185ed",
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      "new": "-3.0",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
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     "reason": "no meaningful change"
    }
   }
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  {
   "id": "d8d447322137556cd5ac42b9805680a7399bf886",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/d8d4473.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/d8d447322137556cd5ac42b9805680a7399bf886",
   "title": "9 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>Added 9 parameters: <code>amcl.service_introspection_mode</code> = <code>&quot;disabled&quot;</code>, <code>bt_navigator.service_introspection_mode</code> = <code>&quot;disabled&quot;</code>, <code>docking_server.service_introspection_mode</code> = <code>&quot;disabled&quot;</code>, <code>global_costmap.global_costmap.service_introspection_mode</code> = <code>&quot;disabled&quot;</code>, <code>local_costmap.local_costmap.service_introspection_mode</code> = <code>&quot;disabled&quot;</code>, <code>map_saver.service_introspection_mode</code> = <code>&quot;disabled&quot;</code>, <code>map_server.service_introspection_mode</code> = <code>&quot;disabled&quot;</code>, <code>planner_server.service_introspection_mode</code> = <code>&quot;disabled&quot;</code> and 1 more.</li><li>Most activity in <code>nav2_bringup/</code> (+12/−3).</li></ul>",
   "date_published": "2025-04-02T19:18:46Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/d8d447322137556cd5ac42b9805680a7399bf886",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/d8d447322137556cd5ac42b9805680a7399bf886/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "amcl.service_introspection_mode",
      "kind": "added",
      "type": "string",
      "old": null,
      "new": "\"disabled\"",
      "pct_change": null,
      "ratio": null
     },
     {
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      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/d8d447322137556cd5ac42b9805680a7399bf886/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.service_introspection_mode",
      "kind": "added",
      "type": "string",
      "old": null,
      "new": "\"disabled\"",
      "pct_change": null,
      "ratio": null
     },
     {
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      "date": "2025-04-02T12:18:46-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/d8d447322137556cd5ac42b9805680a7399bf886",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/d8d447322137556cd5ac42b9805680a7399bf886/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "docking_server.service_introspection_mode",
      "kind": "added",
      "type": "string",
      "old": null,
      "new": "\"disabled\"",
      "pct_change": null,
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     },
     {
      "commit": "d8d447322137556cd5ac42b9805680a7399bf886",
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      "date": "2025-04-02T12:18:46-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/d8d447322137556cd5ac42b9805680a7399bf886",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/d8d447322137556cd5ac42b9805680a7399bf886/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "global_costmap.global_costmap.service_introspection_mode",
      "kind": "added",
      "type": "string",
      "old": null,
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     },
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/d8d447322137556cd5ac42b9805680a7399bf886",
      "file": "nav2_bringup/params/nav2_params.yaml",
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      "extractor": "ros2_yaml",
      "name": "local_costmap.local_costmap.service_introspection_mode",
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/d8d447322137556cd5ac42b9805680a7399bf886",
      "file": "nav2_bringup/params/nav2_params.yaml",
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      "extractor": "ros2_yaml",
      "name": "map_saver.service_introspection_mode",
      "kind": "added",
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     },
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/d8d447322137556cd5ac42b9805680a7399bf886",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/d8d447322137556cd5ac42b9805680a7399bf886/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "map_server.service_introspection_mode",
      "kind": "added",
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     },
     {
      "commit": "d8d447322137556cd5ac42b9805680a7399bf886",
      "short": "d8d4473",
      "date": "2025-04-02T12:18:46-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/d8d447322137556cd5ac42b9805680a7399bf886",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/d8d447322137556cd5ac42b9805680a7399bf886/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "planner_server.service_introspection_mode",
      "kind": "added",
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      "old": null,
      "new": "\"disabled\"",
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     },
     {
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      "short": "d8d4473",
      "date": "2025-04-02T12:18:46-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/d8d447322137556cd5ac42b9805680a7399bf886",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/d8d447322137556cd5ac42b9805680a7399bf886/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "waypoint_follower.service_introspection_mode",
      "kind": "added",
      "type": "string",
      "old": null,
      "new": "\"disabled\"",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "e90717de5d2895d288bb06de7373c2c7553af4f1",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/e90717d.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/e90717de5d2895d288bb06de7373c2c7553af4f1",
   "title": "Flags flipped: controller_server.FollowPath.CostCritic.consider_footprint off.",
   "content_html": "<ul><li>Flags flipped: <code>controller_server.FollowPath.CostCritic.consider_footprint</code> is now OFF (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Added 1 parameter: <code>controller_server.FollowPath.CostCritic.near_collision_cost</code> = <code>253</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+2/−1).</li></ul>",
   "date_published": "2025-04-01T17:02:31Z",
   "tags": [
    "flags",
    "params"
   ],
   "_knoblog": {
    "commit": "e90717de5d2895d288bb06de7373c2c7553af4f1",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/e90717de5d2895d288bb06de7373c2c7553af4f1",
    "class": "code",
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      "commit": "e90717de5d2895d288bb06de7373c2c7553af4f1",
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      "date": "2025-04-01T10:02:31-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/e90717de5d2895d288bb06de7373c2c7553af4f1",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/e90717de5d2895d288bb06de7373c2c7553af4f1/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.FollowPath.CostCritic.consider_footprint",
      "kind": "changed",
      "type": "bool",
      "old": "true",
      "new": "false",
      "pct_change": null,
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     },
     {
      "commit": "e90717de5d2895d288bb06de7373c2c7553af4f1",
      "short": "e90717d",
      "date": "2025-04-01T10:02:31-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/e90717de5d2895d288bb06de7373c2c7553af4f1",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/e90717de5d2895d288bb06de7373c2c7553af4f1/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.FollowPath.CostCritic.near_collision_cost",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "253",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "ready",
     "posts": [
      "Nav2 update (Apr 1): controller_server/FollowPath/CostCritic/consider_footprint: switched OFF by default\n\nDetails: https://fitzyracing1.github.io/knoblog/demo/nav2/entries/e90717d.html\nCommit: https://github.com/ros-navigation/navigation2/commit/e90717de5d2895d288bb06de7373c2c7553af4f1\nValues are repo defaults from the params files."
     ],
     "weighted_lengths": [
      218
     ]
    }
   }
  },
  {
   "id": "353319f02e86205346a0352cb00e9c2a71638b40",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/353319f.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/353319f02e86205346a0352cb00e9c2a71638b40",
   "title": "1 new parameter in nav2_bringup/.",
   "content_html": "<ul><li>Added 1 parameter: <code>bt_navigator.filter_duration</code> = <code>0.3</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+1/−0).</li></ul>",
   "date_published": "2025-03-05T21:12:09Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "353319f02e86205346a0352cb00e9c2a71638b40",
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    "class": "code",
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      "commit": "353319f02e86205346a0352cb00e9c2a71638b40",
      "short": "353319f",
      "date": "2025-03-05T13:12:09-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/353319f02e86205346a0352cb00e9c2a71638b40",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/353319f02e86205346a0352cb00e9c2a71638b40/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.filter_duration",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "0.3",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "7e3ae16dd8d4657dbedd5852cc4399cc789ca9e4",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/7e3ae16.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/7e3ae16dd8d4657dbedd5852cc4399cc789ca9e4",
   "title": "1 new parameter in nav2_bringup/.",
   "content_html": "<ul><li>Added 1 parameter: <code>bt_navigator.error_code_name_prefixes</code> = <code>[assisted_teleop, backup, compute_path, </code>.</li><li>Removed 1 parameter: <code>bt_navigator.error_code_names</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+13/−3).</li></ul>",
   "date_published": "2025-03-04T23:07:44Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "7e3ae16dd8d4657dbedd5852cc4399cc789ca9e4",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/7e3ae16dd8d4657dbedd5852cc4399cc789ca9e4",
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    "changes": [
     {
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      "short": "7e3ae16",
      "date": "2025-03-04T15:07:44-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/7e3ae16dd8d4657dbedd5852cc4399cc789ca9e4",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/7e3ae16dd8d4657dbedd5852cc4399cc789ca9e4/nav2_bringup/params/nav2_params.yaml",
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      "name": "bt_navigator.error_code_name_prefixes",
      "kind": "added",
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      "old": null,
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     },
     {
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      "short": "7e3ae16",
      "date": "2025-03-04T15:07:44-08:00",
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      "name": "bt_navigator.error_code_names",
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      "new": null,
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
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  {
   "id": "2ee3cef85524c30e5b77ea027a238573e76829a2",
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   "external_url": "https://github.com/ros-navigation/navigation2/commit/2ee3cef85524c30e5b77ea027a238573e76829a2",
   "title": "6 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>Added 6 parameters: <code>behavior_server.backup.acceleration_limit</code> = <code>2.5</code>, <code>behavior_server.backup.deceleration_limit</code> = <code>-2.5</code>, <code>behavior_server.backup.minimum_speed</code> = <code>0.10</code>, <code>behavior_server.drive_on_heading.acceleration_limit</code> = <code>2.5</code>, <code>behavior_server.drive_on_heading.deceleration_limit</code> = <code>-2.5</code> and <code>behavior_server.drive_on_heading.minimum_speed</code> = <code>0.10</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+6/−0).</li></ul>",
   "date_published": "2025-01-28T20:21:37Z",
   "tags": [
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/2ee3cef85524c30e5b77ea027a238573e76829a2",
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/2ee3cef85524c30e5b77ea027a238573e76829a2",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/2ee3cef85524c30e5b77ea027a238573e76829a2/nav2_bringup/params/nav2_params.yaml",
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      "name": "behavior_server.drive_on_heading.acceleration_limit",
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      "date": "2025-01-28T12:21:37-08:00",
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     {
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      "date": "2025-01-28T12:21:37-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/2ee3cef85524c30e5b77ea027a238573e76829a2",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/2ee3cef85524c30e5b77ea027a238573e76829a2/nav2_bringup/params/nav2_params.yaml",
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      "name": "behavior_server.drive_on_heading.minimum_speed",
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  {
   "id": "3ee384df622ed964680452dcd53da6d0e9a15514",
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   "external_url": "https://github.com/ros-navigation/navigation2/commit/3ee384df622ed964680452dcd53da6d0e9a15514",
   "title": "Parameter changes: bt_navigator.odom_topic /odom→odom, collision_monitor.FootprintApproach.footprint_topic \"/local_costmap/published_footprint\"→\"local_costmap/published_footprint\", global_costmap.global_costmap.obstacle_layer.scan.topic /scan→scan and 1 more.",
   "content_html": "<ul><li>Parameter defaults changed: <code>bt_navigator.odom_topic</code>: <code>/odom</code> → <code>odom</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>), <code>collision_monitor.FootprintApproach.footprint_topic</code>: <code>&quot;/local_costmap/published_footprint&quot;</code> → <code>&quot;local_costmap/published_footprint&quot;</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>), <code>global_costmap.global_costmap.obstacle_layer.scan.topic</code>: <code>/scan</code> → <code>scan</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>) and <code>local_costmap.local_costmap.voxel_layer.scan.topic</code>: <code>/scan</code> → <code>scan</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>File <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> deleted (235 values no longer defined there).</li><li>File <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> deleted (234 values no longer defined there).</li><li>File <code>nav2_bringup/params/nav2_multirobot_params_all.yaml</code> deleted (272 values no longer defined there).</li><li>Most activity in <code>nav2_bringup/</code> (+16/−1,012).</li></ul>",
   "date_published": "2024-12-03T01:55:55Z",
   "tags": [
    "params"
   ],
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      "Details: https://fitzyracing1.github.io/knoblog/demo/nav2/entries/90a6c8d.html\nCommit: https://github.com/ros-navigation/navigation2/commit/90a6c8d80096469a22e1a56e5447d58fb8e66ef6\nValues are repo defaults from the params files."
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   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/3f31112.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/3f311124e356dbfa33f35e23caa5474a57f99ab7",
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   "content_html": "<ul><li>Added 5 parameters: <code>loopback_simulator.base_frame_id</code> = <code>&quot;base_footprint&quot;</code>, <code>loopback_simulator.map_frame_id</code> = <code>&quot;map&quot;</code>, <code>loopback_simulator.odom_frame_id</code> = <code>&quot;odom&quot;</code>, <code>loopback_simulator.scan_frame_id</code> = <code>&quot;base_scan&quot;</code> and <code>loopback_simulator.update_duration</code> = <code>0.02</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+8/−0).</li></ul>",
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      "extractor": "ros2_yaml",
      "name": "loopback_simulator.map_frame_id",
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      "file": "nav2_bringup/params/nav2_params.yaml",
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      "extractor": "ros2_yaml",
      "name": "loopback_simulator.odom_frame_id",
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      "extractor": "ros2_yaml",
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  {
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   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/e5cc260.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/e5cc260738745fd9efceb770553791d294e8040a",
   "title": "735 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>New file <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> defines 233 parameters, including 31 highlighted (see the full analysis).</li><li>New file <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> defines 232 parameters, including 31 highlighted (see the full analysis).</li><li>New file <code>nav2_bringup/params/nav2_multirobot_params_all.yaml</code> defines 270 parameters, including 38 highlighted (see the full analysis).</li><li>Most activity in <code>nav2_bringup/</code> (+1,002/−0).</li></ul>",
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      "extractor": "ros2_yaml",
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      "file_url": "https://github.com/ros-navigation/navigation2/blob/e5cc260738745fd9efceb770553791d294e8040a/nav2_bringup/params/nav2_multirobot_params_all.yaml",
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      "commit": "e5cc260738745fd9efceb770553791d294e8040a",
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      "type": "string",
      "old": null,
      "new": "\"geometry_msgs/msg/Twist\"",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "9367c62a18bb488462fcff2874c57c84f370e244",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/9367c62.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/9367c62a18bb488462fcff2874c57c84f370e244",
   "title": "4 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>Added 4 parameters: <code>controller_server.FollowPath.ax_max</code> = <code>3.0</code>, <code>controller_server.FollowPath.ax_min</code> = <code>-3.0</code>, <code>controller_server.FollowPath.ay_max</code> = <code>3.0</code> and <code>controller_server.FollowPath.az_max</code> = <code>3.5</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+4/−0).</li></ul>",
   "date_published": "2024-06-04T14:57:54Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "9367c62a18bb488462fcff2874c57c84f370e244",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/9367c62a18bb488462fcff2874c57c84f370e244",
    "class": "code",
    "changes": [
     {
      "commit": "9367c62a18bb488462fcff2874c57c84f370e244",
      "short": "9367c62",
      "date": "2024-06-04T07:57:54-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/9367c62a18bb488462fcff2874c57c84f370e244",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/9367c62a18bb488462fcff2874c57c84f370e244/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.FollowPath.ax_max",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "3.0",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "9367c62a18bb488462fcff2874c57c84f370e244",
      "short": "9367c62",
      "date": "2024-06-04T07:57:54-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/9367c62a18bb488462fcff2874c57c84f370e244",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/9367c62a18bb488462fcff2874c57c84f370e244/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.FollowPath.ax_min",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "-3.0",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "9367c62a18bb488462fcff2874c57c84f370e244",
      "short": "9367c62",
      "date": "2024-06-04T07:57:54-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/9367c62a18bb488462fcff2874c57c84f370e244",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/9367c62a18bb488462fcff2874c57c84f370e244/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.FollowPath.ay_max",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "3.0",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "9367c62a18bb488462fcff2874c57c84f370e244",
      "short": "9367c62",
      "date": "2024-06-04T07:57:54-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/9367c62a18bb488462fcff2874c57c84f370e244",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/9367c62a18bb488462fcff2874c57c84f370e244/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.FollowPath.az_max",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "3.5",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/b0e6d3d.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
   "title": "Parameter changes: behavior_server.backup.plugin \"nav2_behaviors/BackUp\"→\"nav2_behaviors::BackUp\", behavior_server.drive_on_heading.plugin \"nav2_behaviors/DriveOnHeading\"→\"nav2_behaviors::DriveOnHeading\", behavior_server.spin.plugin \"nav2_behaviors/Spin\"→\"nav2_behaviors::Spin\" and 5 more.",
   "content_html": "<ul><li>Parameter defaults changed: <code>behavior_server.backup.plugin</code>: <code>&quot;nav2_behaviors/BackUp&quot;</code> → <code>&quot;nav2_behaviors::BackUp&quot;</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_all.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>), <code>behavior_server.drive_on_heading.plugin</code>: <code>&quot;nav2_behaviors/DriveOnHeading&quot;</code> → <code>&quot;nav2_behaviors::DriveOnHeading&quot;</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_all.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>), <code>behavior_server.spin.plugin</code>: <code>&quot;nav2_behaviors/Spin&quot;</code> → <code>&quot;nav2_behaviors::Spin&quot;</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_all.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>), <code>behavior_server.wait.plugin</code>: <code>&quot;nav2_behaviors/Wait&quot;</code> → <code>&quot;nav2_behaviors::Wait&quot;</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_all.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>), <code>bt_navigator.navigate_through_poses.plugin</code>: <code>&quot;nav2_bt_navigator/NavigateThroughPosesNavigator&quot;</code> → <code>&quot;nav2_bt_navigator::NavigateThroughPosesNavigator&quot;</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_all.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>), <code>bt_navigator.navigate_to_pose.plugin</code>: <code>&quot;nav2_bt_navigator/NavigateToPoseNavigator&quot;</code> → <code>&quot;nav2_bt_navigator::NavigateToPoseNavigator&quot;</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_all.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>), <code>planner_server.GridBased.plugin</code>: <code>&quot;nav2_navfn_planner/NavfnPlanner&quot;</code> → <code>&quot;nav2_navfn_planner::NavfnPlanner&quot;</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_all.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>) and <code>behavior_server.assisted_teleop.plugin</code>: <code>&quot;nav2_behaviors/AssistedTeleop&quot;</code> → <code>&quot;nav2_behaviors::AssistedTeleop&quot;</code> (in <code>nav2_bringup/params/nav2_multirobot_params_all.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+30/−30).</li></ul>",
   "date_published": "2024-04-02T19:33:14Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
    "class": "code",
    "changes": [
     {
      "commit": "b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "short": "b0e6d3d",
      "date": "2024-04-02T12:33:14-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.backup.plugin",
      "kind": "changed",
      "type": "string",
      "old": "\"nav2_behaviors/BackUp\"",
      "new": "\"nav2_behaviors::BackUp\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "short": "b0e6d3d",
      "date": "2024-04-02T12:33:14-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.drive_on_heading.plugin",
      "kind": "changed",
      "type": "string",
      "old": "\"nav2_behaviors/DriveOnHeading\"",
      "new": "\"nav2_behaviors::DriveOnHeading\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "short": "b0e6d3d",
      "date": "2024-04-02T12:33:14-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.spin.plugin",
      "kind": "changed",
      "type": "string",
      "old": "\"nav2_behaviors/Spin\"",
      "new": "\"nav2_behaviors::Spin\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "short": "b0e6d3d",
      "date": "2024-04-02T12:33:14-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.wait.plugin",
      "kind": "changed",
      "type": "string",
      "old": "\"nav2_behaviors/Wait\"",
      "new": "\"nav2_behaviors::Wait\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "short": "b0e6d3d",
      "date": "2024-04-02T12:33:14-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.navigate_through_poses.plugin",
      "kind": "changed",
      "type": "string",
      "old": "\"nav2_bt_navigator/NavigateThroughPosesNavigator\"",
      "new": "\"nav2_bt_navigator::NavigateThroughPosesNavigator\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
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      "date": "2024-04-02T12:33:14-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.navigate_to_pose.plugin",
      "kind": "changed",
      "type": "string",
      "old": "\"nav2_bt_navigator/NavigateToPoseNavigator\"",
      "new": "\"nav2_bt_navigator::NavigateToPoseNavigator\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "short": "b0e6d3d",
      "date": "2024-04-02T12:33:14-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "planner_server.GridBased.plugin",
      "kind": "changed",
      "type": "string",
      "old": "\"nav2_navfn_planner/NavfnPlanner\"",
      "new": "\"nav2_navfn_planner::NavfnPlanner\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "short": "b0e6d3d",
      "date": "2024-04-02T12:33:14-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.backup.plugin",
      "kind": "changed",
      "type": "string",
      "old": "\"nav2_behaviors/BackUp\"",
      "new": "\"nav2_behaviors::BackUp\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "short": "b0e6d3d",
      "date": "2024-04-02T12:33:14-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.drive_on_heading.plugin",
      "kind": "changed",
      "type": "string",
      "old": "\"nav2_behaviors/DriveOnHeading\"",
      "new": "\"nav2_behaviors::DriveOnHeading\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "short": "b0e6d3d",
      "date": "2024-04-02T12:33:14-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.spin.plugin",
      "kind": "changed",
      "type": "string",
      "old": "\"nav2_behaviors/Spin\"",
      "new": "\"nav2_behaviors::Spin\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "short": "b0e6d3d",
      "date": "2024-04-02T12:33:14-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.wait.plugin",
      "kind": "changed",
      "type": "string",
      "old": "\"nav2_behaviors/Wait\"",
      "new": "\"nav2_behaviors::Wait\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "short": "b0e6d3d",
      "date": "2024-04-02T12:33:14-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.navigate_through_poses.plugin",
      "kind": "changed",
      "type": "string",
      "old": "\"nav2_bt_navigator/NavigateThroughPosesNavigator\"",
      "new": "\"nav2_bt_navigator::NavigateThroughPosesNavigator\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "short": "b0e6d3d",
      "date": "2024-04-02T12:33:14-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.navigate_to_pose.plugin",
      "kind": "changed",
      "type": "string",
      "old": "\"nav2_bt_navigator/NavigateToPoseNavigator\"",
      "new": "\"nav2_bt_navigator::NavigateToPoseNavigator\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
      "short": "b0e6d3d",
      "date": "2024-04-02T12:33:14-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b0e6d3d2d7e34a6feba00d8c77d847de9c131b6c",
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      "date": "2024-04-02T12:33:14-07:00",
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      "name": "bt_navigator.navigate_to_pose.plugin",
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      "name": "planner_server.GridBased.plugin",
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  {
   "id": "5a8cbd3fc9373b1d37f51d8226eaabe16f50af5c",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/5a8cbd3.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/5a8cbd3fc9373b1d37f51d8226eaabe16f50af5c",
   "title": "Thresholds changed: controller_server.FollowPath.transform_tolerance 0.2→0.1, velocity_smoother.max_velocity[0] 0.26→0.5, velocity_smoother.max_velocity[2] 1.0→2.0 and 2 more.",
   "content_html": "<ul><li>Threshold defaults changed: <code>controller_server.FollowPath.transform_tolerance</code>: <code>0.2</code> → <code>0.1</code> (−50%) (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Velocity/acceleration limit defaults changed: <code>velocity_smoother.max_velocity[0]</code>: <code>0.26</code> → <code>0.5</code> (+92.3%) (in <code>nav2_bringup/params/nav2_params.yaml</code>), <code>velocity_smoother.max_velocity[2]</code>: <code>1.0</code> → <code>2.0</code> (+100%) (in <code>nav2_bringup/params/nav2_params.yaml</code>), <code>velocity_smoother.min_velocity[0]</code>: <code>-0.26</code> → <code>-0.5</code> (−92.3%) (in <code>nav2_bringup/params/nav2_params.yaml</code>) and <code>velocity_smoother.min_velocity[2]</code>: <code>-1.0</code> → <code>-2.0</code> (−100%) (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Parameter defaults changed: <code>controller_server.FollowPath.critics</code>: <code>[&quot;RotateToGoal&quot;, &quot;Oscillation&quot;, &quot;BaseObstacle&quot;, &quot;GoalAlign&quot;, &quot;PathAlign&quot;, &quot;PathDist&quot;, &quot;GoalDist&quot;]</code> → <code>[&quot;ConstraintCritic&quot;, &quot;CostCritic&quot;, &quot;GoalCritic&quot;, &quot;GoalAngleCritic&quot;, &quot;PathAlignCritic&quot;, &quot;PathFollowCritic&quot;, &quot;PathAngleCritic&quot;, &quot;PreferForwardCritic&quot;]</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>) and <code>controller_server.FollowPath.plugin</code>: <code>&quot;dwb_core::DWBLocalPlanner&quot;</code> → <code>&quot;nav2_mppi_controller::MPPIController&quot;</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>32 parameters no longer defined in the changed file(s) but still defined in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> (moved, not deleted): <code>controller_server.FollowPath.BaseObstacle.scale</code>, <code>controller_server.FollowPath.GoalAlign.scale</code>, <code>controller_server.FollowPath.GoalDist.scale</code>, <code>controller_server.FollowPath.PathAlign.scale</code>, <code>controller_server.FollowPath.PathDist.scale</code>, <code>controller_server.FollowPath.RotateToGoal.lookahead_time</code>, <code>controller_server.FollowPath.RotateToGoal.scale</code>, <code>controller_server.FollowPath.RotateToGoal.slowing_factor</code> and 24 more.</li><li>3 parameters no longer defined in the changed file(s) but still defined in <code>nav2_bringup/params/nav2_multirobot_params_all.yaml</code> (moved, not deleted): <code>controller_server.FollowPath.GoalAlign.forward_point_distance</code>, <code>controller_server.FollowPath.PathAlign.forward_point_distance</code> and <code>controller_server.FollowPath.xy_goal_tolerance</code>.</li><li>Added 12 flags: <code>controller_server.FollowPath.ConstraintCritic.enabled</code> (default on), <code>controller_server.FollowPath.CostCritic.consider_footprint</code> (default on), <code>controller_server.FollowPath.CostCritic.enabled</code> (default on), <code>controller_server.FollowPath.GoalAngleCritic.enabled</code> (default on), <code>controller_server.FollowPath.GoalCritic.enabled</code> (default on), <code>controller_server.FollowPath.PathAlignCritic.enabled</code> (default on), <code>controller_server.FollowPath.PathAlignCritic.use_path_orientations</code> (default off), <code>controller_server.FollowPath.PathAngleCritic.enabled</code> (default on) and 4 more.</li><li>Added 51 parameters: <code>controller_server.FollowPath.AckermannConstraints.min_turning_r</code> = <code>0.2</code>, <code>controller_server.FollowPath.ConstraintCritic.cost_power</code> = <code>1</code>, <code>controller_server.FollowPath.ConstraintCritic.cost_weight</code> = <code>4.0</code>, <code>controller_server.FollowPath.CostCritic.collision_cost</code> = <code>1000000.0</code>, <code>controller_server.FollowPath.CostCritic.cost_power</code> = <code>1</code>, <code>controller_server.FollowPath.CostCritic.cost_weight</code> = <code>3.81</code>, <code>controller_server.FollowPath.CostCritic.critical_cost</code> = <code>300.0</code>, <code>controller_server.FollowPath.CostCritic.near_goal_distance</code> = <code>1.0</code> and 43 more.</li><li>Most activity in <code>nav2_bringup/</code> (+85/−43).</li></ul>",
   "date_published": "2024-03-27T18:24:49Z",
   "tags": [
    "params",
    "thresholds",
    "velocity/acceleration limits"
   ],
   "_knoblog": {
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    "class": "code",
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      "extractor": "ros2_yaml",
      "name": "controller_server.FollowPath.AckermannConstraints.min_turning_r",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "0.2",
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      "pct_change": 100.0,
      "ratio": 2.0,
      "list_index": 2
     },
     {
      "commit": "5a8cbd3fc9373b1d37f51d8226eaabe16f50af5c",
      "short": "5a8cbd3",
      "date": "2024-03-27T11:24:49-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/5a8cbd3fc9373b1d37f51d8226eaabe16f50af5c",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/5a8cbd3fc9373b1d37f51d8226eaabe16f50af5c/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "velocity_smoother.min_velocity[0]",
      "kind": "changed",
      "type": "number",
      "old": "-0.26",
      "new": "-0.5",
      "pct_change": -92.3077,
      "ratio": 1.923077
     },
     {
      "commit": "5a8cbd3fc9373b1d37f51d8226eaabe16f50af5c",
      "short": "5a8cbd3",
      "date": "2024-03-27T11:24:49-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/5a8cbd3fc9373b1d37f51d8226eaabe16f50af5c",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/5a8cbd3fc9373b1d37f51d8226eaabe16f50af5c/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "velocity_smoother.min_velocity[2]",
      "kind": "changed",
      "type": "number",
      "old": "-1.0",
      "new": "-2.0",
      "pct_change": -100.0,
      "ratio": 2.0,
      "list_index": 2
     }
    ],
    "post": {
     "status": "skip",
     "reason": "ambiguous: bulk change (63 parameters added); needs a hand-written post"
    }
   }
  },
  {
   "id": "8458c8a1f565c2a3b1816a2d7cff1b970fb22d29",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/8458c8a.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/8458c8a1f565c2a3b1816a2d7cff1b970fb22d29",
   "title": "Removed 4 parameters: bt_navigator.plugin_lib_names, bt_navigator.plugin_lib_names, bt_navigator.plugin_lib_names and 1 more.",
   "content_html": "<ul><li>Removed 4 parameters: <code>bt_navigator.plugin_lib_names</code>, <code>bt_navigator.plugin_lib_names</code>, <code>bt_navigator.plugin_lib_names</code> and <code>bt_navigator.plugin_lib_names</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+20/−216).</li></ul>",
   "date_published": "2024-02-20T21:00:42Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "8458c8a1f565c2a3b1816a2d7cff1b970fb22d29",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/8458c8a1f565c2a3b1816a2d7cff1b970fb22d29",
    "class": "code",
    "changes": [
     {
      "commit": "8458c8a1f565c2a3b1816a2d7cff1b970fb22d29",
      "short": "8458c8a",
      "date": "2024-02-20T13:00:42-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/8458c8a1f565c2a3b1816a2d7cff1b970fb22d29",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/8458c8a1f565c2a3b1816a2d7cff1b970fb22d29/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "removed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node, nav2_is_battery_charging_condition_bt_node, nav2_progress_checker_selector_bt_node, nav2_smoother_selector_bt_node]",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "8458c8a1f565c2a3b1816a2d7cff1b970fb22d29",
      "short": "8458c8a",
      "date": "2024-02-20T13:00:42-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/8458c8a1f565c2a3b1816a2d7cff1b970fb22d29",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/8458c8a1f565c2a3b1816a2d7cff1b970fb22d29/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "removed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node, nav2_is_battery_charging_condition_bt_node, nav2_progress_checker_selector_bt_node, nav2_smoother_selector_bt_node]",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "8458c8a1f565c2a3b1816a2d7cff1b970fb22d29",
      "short": "8458c8a",
      "date": "2024-02-20T13:00:42-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/8458c8a1f565c2a3b1816a2d7cff1b970fb22d29",
      "file": "nav2_bringup/params/nav2_multirobot_params_all.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/8458c8a1f565c2a3b1816a2d7cff1b970fb22d29/nav2_bringup/params/nav2_multirobot_params_all.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "removed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node, nav2_is_battery_charging_condition_bt_node, nav2_progress_checker_selector_bt_node, nav2_smoother_selector_bt_node]",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "8458c8a1f565c2a3b1816a2d7cff1b970fb22d29",
      "short": "8458c8a",
      "date": "2024-02-20T13:00:42-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/8458c8a1f565c2a3b1816a2d7cff1b970fb22d29",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/8458c8a1f565c2a3b1816a2d7cff1b970fb22d29/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "removed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node, nav2_is_battery_charging_condition_bt_node, nav2_progress_checker_selector_bt_node, nav2_smoother_selector_bt_node]",
      "new": null,
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "70dc1f9e3ac6edd6ec2c818861795c33977d0eab",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/70dc1f9.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/70dc1f9e3ac6edd6ec2c818861795c33977d0eab",
   "title": "Parameter changes: bt_navigator.plugin_lib_names [nav2_compute_path_to_pose_action_bt_no…→[nav2_compute_path_to_pose_action_bt_no….",
   "content_html": "<ul><li>Parameter defaults changed: <code>bt_navigator.plugin_lib_names</code>: <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node, nav2_is_battery_charging_condition_bt_node]</code> → <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node, nav2_is_battery_charging_condition_bt_node, nav2_progress_checker_selector_bt_node, nav2_smoother_selector_bt_node]</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_all.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+8/−0).</li></ul>",
   "date_published": "2024-02-09T19:46:45Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "70dc1f9e3ac6edd6ec2c818861795c33977d0eab",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/70dc1f9e3ac6edd6ec2c818861795c33977d0eab",
    "class": "code",
    "changes": [
     {
      "commit": "70dc1f9e3ac6edd6ec2c818861795c33977d0eab",
      "short": "70dc1f9",
      "date": "2024-02-09T11:46:45-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/70dc1f9e3ac6edd6ec2c818861795c33977d0eab",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/70dc1f9e3ac6edd6ec2c818861795c33977d0eab/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
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      "commit": "70dc1f9e3ac6edd6ec2c818861795c33977d0eab",
      "short": "70dc1f9",
      "date": "2024-02-09T11:46:45-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/70dc1f9e3ac6edd6ec2c818861795c33977d0eab",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/70dc1f9e3ac6edd6ec2c818861795c33977d0eab/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
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      "type": "list",
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      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "70dc1f9e3ac6edd6ec2c818861795c33977d0eab",
      "short": "70dc1f9",
      "date": "2024-02-09T11:46:45-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/70dc1f9e3ac6edd6ec2c818861795c33977d0eab",
      "file": "nav2_bringup/params/nav2_multirobot_params_all.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/70dc1f9e3ac6edd6ec2c818861795c33977d0eab/nav2_bringup/params/nav2_multirobot_params_all.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
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      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node, nav2_is_battery_charging_condition_bt_node, nav2_progress_checker_selector_bt_node, nav2_smoother_selector_bt_node]",
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      "ratio": null
     },
     {
      "commit": "70dc1f9e3ac6edd6ec2c818861795c33977d0eab",
      "short": "70dc1f9",
      "date": "2024-02-09T11:46:45-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/70dc1f9e3ac6edd6ec2c818861795c33977d0eab",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/70dc1f9e3ac6edd6ec2c818861795c33977d0eab/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
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      "pct_change": null,
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    "post": {
     "status": "skip",
     "reason": "no meaningful change"
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  },
  {
   "id": "b970a8428fa996f582a1d9c30f816bba97704527",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/b970a84.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/b970a8428fa996f582a1d9c30f816bba97704527",
   "title": "Thresholds changed: planner_server.GridBased.tolerance 0.25→0.5.",
   "content_html": "<ul><li>Threshold defaults changed: <code>planner_server.GridBased.tolerance</code>: <code>0.25</code> → <code>0.5</code> (+100%) (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Parameter defaults changed: <code>planner_server.GridBased.plugin</code>: <code>&quot;nav2_smac_planner/SmacPlannerLattice&quot;</code> → <code>&quot;nav2_navfn_planner/NavfnPlanner&quot;</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Added 1 flag: <code>planner_server.GridBased.use_astar</code> (default off).</li><li>Removed 5 flags: <code>planner_server.GridBased.allow_reverse_expansion</code>, <code>planner_server.GridBased.cache_obstacle_heuristic</code>, <code>planner_server.GridBased.debug_visualizations</code>, <code>planner_server.GridBased.smooth_path</code> and <code>planner_server.GridBased.smoother.do_refinement</code>.</li><li>Removed 17 parameters: <code>planner_server.GridBased.analytic_expansion_max_length</code>, <code>planner_server.GridBased.analytic_expansion_ratio</code>, <code>planner_server.GridBased.change_penalty</code>, <code>planner_server.GridBased.cost_penalty</code>, <code>planner_server.GridBased.lookup_table_size</code>, <code>planner_server.GridBased.max_iterations</code>, <code>planner_server.GridBased.max_on_approach_iterations</code>, <code>planner_server.GridBased.max_planning_time</code> and 9 more.</li><li>Most activity in <code>nav2_bringup/</code> (+5/−27).</li></ul>",
   "date_published": "2024-02-01T18:57:36Z",
   "tags": [
    "params",
    "thresholds"
   ],
   "_knoblog": {
    "commit": "b970a8428fa996f582a1d9c30f816bba97704527",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/b970a8428fa996f582a1d9c30f816bba97704527",
    "class": "code",
    "changes": [
     {
      "commit": "b970a8428fa996f582a1d9c30f816bba97704527",
      "short": "b970a84",
      "date": "2024-02-01T10:57:36-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b970a8428fa996f582a1d9c30f816bba97704527",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b970a8428fa996f582a1d9c30f816bba97704527/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "planner_server.GridBased.allow_reverse_expansion",
      "kind": "removed",
      "type": "bool",
      "old": "false",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b970a8428fa996f582a1d9c30f816bba97704527",
      "short": "b970a84",
      "date": "2024-02-01T10:57:36-08:00",
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   "content_html": "<ul><li>Threshold defaults changed: <code>planner_server.GridBased.tolerance</code>: <code>0.5</code> → <code>0.25</code> (−50%) (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Parameter defaults changed: <code>planner_server.GridBased.plugin</code>: <code>&quot;nav2_navfn_planner/NavfnPlanner&quot;</code> → <code>&quot;nav2_smac_planner/SmacPlannerLattice&quot;</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>1 parameter no longer defined in the changed file(s) but still defined in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> (moved, not deleted): <code>planner_server.GridBased.use_astar</code>.</li><li>Added 5 flags: <code>planner_server.GridBased.allow_reverse_expansion</code> (default off), <code>planner_server.GridBased.cache_obstacle_heuristic</code> (default off), <code>planner_server.GridBased.debug_visualizations</code> (default on), <code>planner_server.GridBased.smooth_path</code> (default on) and <code>planner_server.GridBased.smoother.do_refinement</code> (default on).</li><li>Added 17 parameters: <code>planner_server.GridBased.analytic_expansion_max_length</code> = <code>3.0</code>, <code>planner_server.GridBased.analytic_expansion_ratio</code> = <code>3.5</code>, <code>planner_server.GridBased.change_penalty</code> = <code>0.05</code>, <code>planner_server.GridBased.cost_penalty</code> = <code>2.0</code>, <code>planner_server.GridBased.lookup_table_size</code> = <code>20.0</code>, <code>planner_server.GridBased.max_iterations</code> = <code>1000000</code>, <code>planner_server.GridBased.max_on_approach_iterations</code> = <code>1000</code>, <code>planner_server.GridBased.max_planning_time</code> = <code>5.0</code> and 9 more.</li><li>Most activity in <code>nav2_bringup/</code> (+27/−5).</li></ul>",
   "date_published": "2024-01-10T19:54:55Z",
   "tags": [
    "params",
    "thresholds"
   ],
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      "extractor": "ros2_yaml",
      "name": "planner_server.GridBased.tolerance",
      "kind": "changed",
      "type": "number",
      "old": "0.5",
      "new": "0.25",
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      "ratio": 0.5
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      "extractor": "ros2_yaml",
      "name": "planner_server.GridBased.use_astar",
      "kind": "removed",
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      "old": "false",
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      "ratio": null,
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     "posts": [
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      "+1 more on the details page.\nDetails: https://fitzyracing1.github.io/knoblog/demo/nav2/entries/5f7f83a.html\nCommit: https://github.com/ros-navigation/navigation2/commit/5f7f83a12168b74d64c3f054de09f2eb1a23adc0\nValues are repo defaults from the params files."
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   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/04c6ca5.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/04c6ca5eed4529757fcb9d4ca48a50e2a7ce023a",
   "title": "Thresholds changed: global_costmap.global_costmap.inflation_layer.inflation_radius 0.55→0.7 and local_costmap.local_costmap.inflation_layer.inflation_radius 0.55→0.70.",
   "content_html": "<ul><li>Threshold defaults changed: <code>global_costmap.global_costmap.inflation_layer.inflation_radius</code>: <code>0.55</code> → <code>0.7</code> (+27.3%) (in <code>nav2_bringup/params/nav2_params.yaml</code>) and <code>local_costmap.local_costmap.inflation_layer.inflation_radius</code>: <code>0.55</code> → <code>0.70</code> (+27.3%) (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Parameter defaults changed: <code>collision_monitor.FootprintApproach.time_before_collision</code>: <code>2.0</code> → <code>1.2</code> (−40%) (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+3/−3).</li></ul>",
   "date_published": "2023-12-13T18:45:11Z",
   "tags": [
    "params",
    "thresholds"
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      "file_url": "https://github.com/ros-navigation/navigation2/blob/04c6ca5eed4529757fcb9d4ca48a50e2a7ce023a/nav2_bringup/params/nav2_params.yaml",
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      "ratio": 0.6
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     {
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/04c6ca5eed4529757fcb9d4ca48a50e2a7ce023a",
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      "file_url": "https://github.com/ros-navigation/navigation2/blob/04c6ca5eed4529757fcb9d4ca48a50e2a7ce023a/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "local_costmap.local_costmap.inflation_layer.inflation_radius",
      "kind": "changed",
      "type": "number",
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      "new": "0.70",
      "pct_change": 27.2727,
      "ratio": 1.272727
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     "status": "ready",
     "posts": [
      "Nav2 update (Dec 13): global_costmap/global_costmap/inflation_layer/inflation_radius 0.55 → 0.7 (27% higher)\n- local_costmap/local_costmap/inflation_layer/inflation_radius 0.55 → 0.70 (27% higher)",
      "- collision_monitor/FootprintApproach/time_before_collision 2.0 → 1.2 (40% lower)\n\nDetails: https://fitzyracing1.github.io/knoblog/demo/nav2/entries/04c6ca5.html\nCommit: https://github.com/ros-navigation/navigation2/commit/04c6ca5eed4529757fcb9d4ca48a50e2a7ce023a\nValues are repo defaults from the params files."
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  {
   "id": "c1e4a427b120da9aea40b78d34e71d68a53c5379",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/c1e4a42.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/c1e4a427b120da9aea40b78d34e71d68a53c5379",
   "title": "96 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>Added 16 flags: <code>collision_monitor.FootprintApproach.enabled</code> (default on), <code>collision_monitor.FootprintApproach.visualize</code> (default off), <code>collision_monitor.base_shift_correction</code> (default on), <code>collision_monitor.scan.enabled</code> (default on), <code>collision_monitor.FootprintApproach.enabled</code> (default on), <code>collision_monitor.FootprintApproach.visualize</code> (default off), <code>collision_monitor.base_shift_correction</code> (default on), <code>collision_monitor.scan.enabled</code> (default on) and 8 more.</li><li>Added 80 parameters: <code>collision_monitor.FootprintApproach.action_type</code> = <code>&quot;approach&quot;</code>, <code>collision_monitor.FootprintApproach.footprint_topic</code> = <code>&quot;local_costmap/published_footprint&quot;</code>, <code>collision_monitor.FootprintApproach.min_points</code> = <code>6</code>, <code>collision_monitor.FootprintApproach.simulation_time_step</code> = <code>0.1</code>, <code>collision_monitor.FootprintApproach.time_before_collision</code> = <code>2.0</code>, <code>collision_monitor.FootprintApproach.type</code> = <code>&quot;polygon&quot;</code>, <code>collision_monitor.base_frame_id</code> = <code>&quot;base_footprint&quot;</code>, <code>collision_monitor.cmd_vel_in_topic</code> = <code>&quot;cmd_vel_smoothed&quot;</code> and 72 more.</li><li>Most activity in <code>nav2_bringup/</code> (+124/−0).</li></ul>",
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      "file_url": "https://github.com/ros-navigation/navigation2/blob/c1e4a427b120da9aea40b78d34e71d68a53c5379/nav2_bringup/params/nav2_multirobot_params_1.yaml",
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      "file_url": "https://github.com/ros-navigation/navigation2/blob/c1e4a427b120da9aea40b78d34e71d68a53c5379/nav2_bringup/params/nav2_multirobot_params_1.yaml",
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/c1e4a427b120da9aea40b78d34e71d68a53c5379",
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      "name": "collision_monitor.FootprintApproach.footprint_topic",
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      "new": "\"local_costmap/published_footprint\"",
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     },
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/c1e4a427b120da9aea40b78d34e71d68a53c5379",
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      "extractor": "ros2_yaml",
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     },
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      "name": "collision_monitor.FootprintApproach.simulation_time_step",
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      "extractor": "ros2_yaml",
      "name": "collision_monitor.FootprintApproach.time_before_collision",
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     },
     {
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      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
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      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
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      "name": "collision_monitor.observation_sources",
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     },
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      "date": "2023-11-28T14:14:05-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/c1e4a427b120da9aea40b78d34e71d68a53c5379",
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      "type": "string",
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      "new": "\"odom\"",
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   "external_url": "https://github.com/ros-navigation/navigation2/commit/6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882",
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      "file_url": "https://github.com/ros-navigation/navigation2/blob/6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882/nav2_bringup/params/nav2_multirobot_params_all.yaml",
      "extractor": "ros2_yaml",
      "name": "velocity_smoother.velocity_timeout",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "1.0",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882",
      "short": "6ef3d7b",
      "date": "2023-08-18T10:38:06-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882",
      "file": "nav2_bringup/params/nav2_multirobot_params_all.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882/nav2_bringup/params/nav2_multirobot_params_all.yaml",
      "extractor": "ros2_yaml",
      "name": "waypoint_follower.loop_rate",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "20",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882",
      "short": "6ef3d7b",
      "date": "2023-08-18T10:38:06-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882",
      "file": "nav2_bringup/params/nav2_multirobot_params_all.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882/nav2_bringup/params/nav2_multirobot_params_all.yaml",
      "extractor": "ros2_yaml",
      "name": "waypoint_follower.stop_on_failure",
      "kind": "added",
      "type": "bool",
      "old": null,
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     },
     {
      "commit": "6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882",
      "short": "6ef3d7b",
      "date": "2023-08-18T10:38:06-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882",
      "file": "nav2_bringup/params/nav2_multirobot_params_all.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882/nav2_bringup/params/nav2_multirobot_params_all.yaml",
      "extractor": "ros2_yaml",
      "name": "waypoint_follower.wait_at_waypoint.enabled",
      "kind": "added",
      "type": "bool",
      "old": null,
      "new": "True",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882",
      "short": "6ef3d7b",
      "date": "2023-08-18T10:38:06-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882",
      "file": "nav2_bringup/params/nav2_multirobot_params_all.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882/nav2_bringup/params/nav2_multirobot_params_all.yaml",
      "extractor": "ros2_yaml",
      "name": "waypoint_follower.wait_at_waypoint.plugin",
      "kind": "added",
      "type": "string",
      "old": null,
      "new": "\"nav2_waypoint_follower::WaitAtWaypoint\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882",
      "short": "6ef3d7b",
      "date": "2023-08-18T10:38:06-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882",
      "file": "nav2_bringup/params/nav2_multirobot_params_all.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882/nav2_bringup/params/nav2_multirobot_params_all.yaml",
      "extractor": "ros2_yaml",
      "name": "waypoint_follower.wait_at_waypoint.waypoint_pause_duration",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "200",
      "pct_change": null,
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     {
      "commit": "6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882",
      "short": "6ef3d7b",
      "date": "2023-08-18T10:38:06-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882",
      "file": "nav2_bringup/params/nav2_multirobot_params_all.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/6ef3d7bfd0f617bd0751cdbe7a58c3f9f66fe882/nav2_bringup/params/nav2_multirobot_params_all.yaml",
      "extractor": "ros2_yaml",
      "name": "waypoint_follower.waypoint_task_executor_plugin",
      "kind": "added",
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      "old": null,
      "new": "\"wait_at_waypoint\"",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "ambiguous: bulk change (211 parameters added); needs a hand-written post"
    }
   }
  },
  {
   "id": "07a9127469f73e416f078b8ba737db363c2619e7",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/07a9127.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/07a9127469f73e416f078b8ba737db363c2619e7",
   "title": "3 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>Added 3 parameters: <code>controller_server.progress_checker_plugins</code> = <code>[&quot;progress_checker&quot;]</code>, <code>controller_server.progress_checker_plugins</code> = <code>[&quot;progress_checker&quot;]</code> and <code>controller_server.progress_checker_plugins</code> = <code>[&quot;progress_checker&quot;]</code>.</li><li>Removed 3 parameters: <code>controller_server.progress_checker_plugin</code>, <code>controller_server.progress_checker_plugin</code> and <code>controller_server.progress_checker_plugin</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+3/−3).</li></ul>",
   "date_published": "2023-05-17T17:35:59Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "07a9127469f73e416f078b8ba737db363c2619e7",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/07a9127469f73e416f078b8ba737db363c2619e7",
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    "changes": [
     {
      "commit": "07a9127469f73e416f078b8ba737db363c2619e7",
      "short": "07a9127",
      "date": "2023-05-17T10:35:59-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/07a9127469f73e416f078b8ba737db363c2619e7",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/07a9127469f73e416f078b8ba737db363c2619e7/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.progress_checker_plugin",
      "kind": "removed",
      "type": "string",
      "old": "\"progress_checker\"",
      "new": null,
      "pct_change": null,
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     },
     {
      "commit": "07a9127469f73e416f078b8ba737db363c2619e7",
      "short": "07a9127",
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/07a9127469f73e416f078b8ba737db363c2619e7",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/07a9127469f73e416f078b8ba737db363c2619e7/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.progress_checker_plugins",
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      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "07a9127469f73e416f078b8ba737db363c2619e7",
      "short": "07a9127",
      "date": "2023-05-17T10:35:59-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/07a9127469f73e416f078b8ba737db363c2619e7",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/07a9127469f73e416f078b8ba737db363c2619e7/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.progress_checker_plugin",
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      "old": "\"progress_checker\"",
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     {
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      "short": "07a9127",
      "date": "2023-05-17T10:35:59-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/07a9127469f73e416f078b8ba737db363c2619e7",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/07a9127469f73e416f078b8ba737db363c2619e7/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.progress_checker_plugins",
      "kind": "added",
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      "old": null,
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      "date": "2023-05-17T10:35:59-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/07a9127469f73e416f078b8ba737db363c2619e7",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/07a9127469f73e416f078b8ba737db363c2619e7/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.progress_checker_plugin",
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     {
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      "date": "2023-05-17T10:35:59-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/07a9127469f73e416f078b8ba737db363c2619e7",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/07a9127469f73e416f078b8ba737db363c2619e7/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.progress_checker_plugins",
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      "old": null,
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      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "1dc23193c1fda016a1e9b4427f4c6e2b4d732ded",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/1dc2319.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/1dc23193c1fda016a1e9b4427f4c6e2b4d732ded",
   "title": "1 new parameter in nav2_bringup/.",
   "content_html": "<ul><li>Added 1 parameter: <code>behavior_server.global_frame</code> = <code>map</code>.</li><li>Removed 1 parameter: <code>behavior_server.global_flame</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+1/−1).</li></ul>",
   "date_published": "2023-05-09T15:29:53Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "1dc23193c1fda016a1e9b4427f4c6e2b4d732ded",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/1dc23193c1fda016a1e9b4427f4c6e2b4d732ded",
    "class": "code",
    "changes": [
     {
      "commit": "1dc23193c1fda016a1e9b4427f4c6e2b4d732ded",
      "short": "1dc2319",
      "date": "2023-05-09T08:29:53-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/1dc23193c1fda016a1e9b4427f4c6e2b4d732ded",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/1dc23193c1fda016a1e9b4427f4c6e2b4d732ded/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.global_flame",
      "kind": "removed",
      "type": "expr",
      "old": "map",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "1dc23193c1fda016a1e9b4427f4c6e2b4d732ded",
      "short": "1dc2319",
      "date": "2023-05-09T08:29:53-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/1dc23193c1fda016a1e9b4427f4c6e2b4d732ded",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/1dc23193c1fda016a1e9b4427f4c6e2b4d732ded/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.global_frame",
      "kind": "added",
      "type": "expr",
      "old": null,
      "new": "map",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "c04292dfe9a2f61d658574af0e09b543d8ac4ee2",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/c04292d.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/c04292dfe9a2f61d658574af0e09b543d8ac4ee2",
   "title": "Parameter changes: bt_navigator.plugin_lib_names [nav2_compute_path_to_pose_action_bt_no…→[nav2_compute_path_to_pose_action_bt_no….",
   "content_html": "<ul><li>Parameter defaults changed: <code>bt_navigator.plugin_lib_names</code>: <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]</code> → <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node, nav2_is_battery_charging_condition_bt_node]</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+3/−0).</li></ul>",
   "date_published": "2023-05-08T18:10:23Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "c04292dfe9a2f61d658574af0e09b543d8ac4ee2",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/c04292dfe9a2f61d658574af0e09b543d8ac4ee2",
    "class": "code",
    "changes": [
     {
      "commit": "c04292dfe9a2f61d658574af0e09b543d8ac4ee2",
      "short": "c04292d",
      "date": "2023-05-08T11:10:23-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/c04292dfe9a2f61d658574af0e09b543d8ac4ee2",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/c04292dfe9a2f61d658574af0e09b543d8ac4ee2/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node, nav2_is_battery_charging_condition_bt_node]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "c04292dfe9a2f61d658574af0e09b543d8ac4ee2",
      "short": "c04292d",
      "date": "2023-05-08T11:10:23-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/c04292dfe9a2f61d658574af0e09b543d8ac4ee2",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/c04292dfe9a2f61d658574af0e09b543d8ac4ee2/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node, nav2_is_battery_charging_condition_bt_node]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "c04292dfe9a2f61d658574af0e09b543d8ac4ee2",
      "short": "c04292d",
      "date": "2023-05-08T11:10:23-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/c04292dfe9a2f61d658574af0e09b543d8ac4ee2",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/c04292dfe9a2f61d658574af0e09b543d8ac4ee2/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node, nav2_is_battery_charging_condition_bt_node]",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "029fab76f61aefe1f7774980339211e159424f7b",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/029fab7.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/029fab76f61aefe1f7774980339211e159424f7b",
   "title": "Parameter changes: bt_navigator.plugin_lib_names [nav2_compute_path_to_pose_action_bt_no…→[nav2_compute_path_to_pose_action_bt_no… and local_costmap.local_costmap.plugins [\"obstacle_layer\", \"inflation_layer\"]→[\"voxel_layer\", \"inflation_layer\"].",
   "content_html": "<ul><li>Parameter defaults changed: <code>bt_navigator.plugin_lib_names</code>: <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]</code> → <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code>) and <code>local_costmap.local_costmap.plugins</code>: <code>[&quot;obstacle_layer&quot;, &quot;inflation_layer&quot;]</code> → <code>[&quot;voxel_layer&quot;, &quot;inflation_layer&quot;]</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code>).</li><li>Added 8 flags: <code>local_costmap.local_costmap.voxel_layer.enabled</code> (default on), <code>local_costmap.local_costmap.voxel_layer.publish_voxel_map</code> (default off), <code>local_costmap.local_costmap.voxel_layer.scan.clearing</code> (default on), <code>local_costmap.local_costmap.voxel_layer.scan.marking</code> (default on), <code>local_costmap.local_costmap.voxel_layer.enabled</code> (default on), <code>local_costmap.local_costmap.voxel_layer.publish_voxel_map</code> (default off), <code>local_costmap.local_costmap.voxel_layer.scan.clearing</code> (default on) and <code>local_costmap.local_costmap.voxel_layer.scan.marking</code> (default on).</li><li>Added 45 parameters: <code>bt_navigator.error_code_names</code> = <code>[compute_path_error_code, follow_path_er</code>, <code>global_costmap.global_costmap.inflation_layer.cost_scaling_factor</code> = <code>3.0</code>, <code>global_costmap.global_costmap.inflation_layer.inflation_radius</code> = <code>0.55</code>, <code>global_costmap.global_costmap.inflation_layer.plugin</code> = <code>&quot;nav2_costmap_2d::InflationLayer&quot;</code>, <code>global_costmap.global_costmap.obstacle_layer.observation_sources</code> = <code>scan</code>, <code>global_costmap.global_costmap.obstacle_layer.plugin</code> = <code>&quot;nav2_costmap_2d::ObstacleLayer&quot;</code>, <code>global_costmap.global_costmap.obstacle_layer.scan.data_type</code> = <code>&quot;LaserScan&quot;</code>, <code>global_costmap.global_costmap.plugins</code> = <code>[&quot;static_layer&quot;, &quot;obstacle_layer&quot;, &quot;infl</code> and 37 more.</li><li>Removed 6 flags: <code>local_costmap.local_costmap.obstacle_layer.enabled</code>, <code>local_costmap.local_costmap.obstacle_layer.scan.clearing</code>, <code>local_costmap.local_costmap.obstacle_layer.scan.marking</code>, <code>local_costmap.local_costmap.obstacle_layer.enabled</code>, <code>local_costmap.local_costmap.obstacle_layer.scan.clearing</code> and <code>local_costmap.local_costmap.obstacle_layer.scan.marking</code>.</li><li>Removed 18 parameters: <code>global_costmap.global_costmap.observation_sources</code>, <code>local_costmap.local_costmap.observation_sources</code>, <code>local_costmap.local_costmap.obstacle_layer.plugin</code>, <code>local_costmap.local_costmap.obstacle_layer.scan.max_obstacle_height</code>, <code>local_costmap.local_costmap.obstacle_layer.scan.obstacle_max_range</code>, <code>local_costmap.local_costmap.obstacle_layer.scan.obstacle_min_range</code>, <code>local_costmap.local_costmap.obstacle_layer.scan.raytrace_max_range</code>, <code>local_costmap.local_costmap.obstacle_layer.scan.raytrace_min_range</code> and 10 more.</li><li>Most activity in <code>nav2_bringup/</code> (+145/−102).</li></ul>",
   "date_published": "2023-01-26T18:31:39Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "029fab76f61aefe1f7774980339211e159424f7b",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/029fab76f61aefe1f7774980339211e159424f7b",
    "class": "code",
    "changes": [
     {
      "commit": "029fab76f61aefe1f7774980339211e159424f7b",
      "short": "029fab7",
      "date": "2023-01-26T10:31:39-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/029fab76f61aefe1f7774980339211e159424f7b",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/029fab76f61aefe1f7774980339211e159424f7b/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
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      "commit": "029fab76f61aefe1f7774980339211e159424f7b",
      "short": "029fab7",
      "date": "2023-01-26T10:31:39-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/029fab76f61aefe1f7774980339211e159424f7b",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/029fab76f61aefe1f7774980339211e159424f7b/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "local_costmap.local_costmap.voxel_layer.publish_voxel_map",
      "kind": "added",
      "type": "bool",
      "old": null,
      "new": "False",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "029fab76f61aefe1f7774980339211e159424f7b",
      "short": "029fab7",
      "date": "2023-01-26T10:31:39-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/029fab76f61aefe1f7774980339211e159424f7b",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/029fab76f61aefe1f7774980339211e159424f7b/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "local_costmap.local_costmap.voxel_layer.scan.clearing",
      "kind": "added",
      "type": "bool",
      "old": null,
      "new": "True",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "029fab76f61aefe1f7774980339211e159424f7b",
      "short": "029fab7",
      "date": "2023-01-26T10:31:39-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/029fab76f61aefe1f7774980339211e159424f7b",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/029fab76f61aefe1f7774980339211e159424f7b/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "local_costmap.local_costmap.voxel_layer.scan.marking",
      "kind": "added",
      "type": "bool",
      "old": null,
      "new": "True",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "029fab76f61aefe1f7774980339211e159424f7b",
      "short": "029fab7",
      "date": "2023-01-26T10:31:39-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/029fab76f61aefe1f7774980339211e159424f7b",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/029fab76f61aefe1f7774980339211e159424f7b/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "local_costmap.local_costmap.voxel_layer.scan.max_obstacle_height",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "2.0",
      "pct_change": null,
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     },
     {
      "commit": "029fab76f61aefe1f7774980339211e159424f7b",
      "short": "029fab7",
      "date": "2023-01-26T10:31:39-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/029fab76f61aefe1f7774980339211e159424f7b",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/029fab76f61aefe1f7774980339211e159424f7b/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "local_costmap.local_costmap.voxel_layer.scan.obstacle_max_range",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "2.5",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "029fab76f61aefe1f7774980339211e159424f7b",
      "short": "029fab7",
      "date": "2023-01-26T10:31:39-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/029fab76f61aefe1f7774980339211e159424f7b",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/029fab76f61aefe1f7774980339211e159424f7b/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "local_costmap.local_costmap.voxel_layer.scan.obstacle_min_range",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "0.0",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "029fab76f61aefe1f7774980339211e159424f7b",
      "short": "029fab7",
      "date": "2023-01-26T10:31:39-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/029fab76f61aefe1f7774980339211e159424f7b",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/029fab76f61aefe1f7774980339211e159424f7b/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "local_costmap.local_costmap.voxel_layer.scan.raytrace_max_range",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "3.0",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "029fab76f61aefe1f7774980339211e159424f7b",
      "short": "029fab7",
      "date": "2023-01-26T10:31:39-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/029fab76f61aefe1f7774980339211e159424f7b",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/029fab76f61aefe1f7774980339211e159424f7b/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "local_costmap.local_costmap.voxel_layer.scan.raytrace_min_range",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "0.0",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "029fab76f61aefe1f7774980339211e159424f7b",
      "short": "029fab7",
      "date": "2023-01-26T10:31:39-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/029fab76f61aefe1f7774980339211e159424f7b",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/029fab76f61aefe1f7774980339211e159424f7b/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "local_costmap.local_costmap.voxel_layer.scan.topic",
      "kind": "added",
      "type": "expr",
      "old": null,
      "new": "/robot2/scan",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "029fab76f61aefe1f7774980339211e159424f7b",
      "short": "029fab7",
      "date": "2023-01-26T10:31:39-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/029fab76f61aefe1f7774980339211e159424f7b",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/029fab76f61aefe1f7774980339211e159424f7b/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "local_costmap.local_costmap.voxel_layer.z_resolution",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "0.05",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "029fab76f61aefe1f7774980339211e159424f7b",
      "short": "029fab7",
      "date": "2023-01-26T10:31:39-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/029fab76f61aefe1f7774980339211e159424f7b",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/029fab76f61aefe1f7774980339211e159424f7b/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "local_costmap.local_costmap.voxel_layer.z_voxels",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "16",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "ambiguous: bulk change (53 parameters added); needs a hand-written post"
    }
   }
  },
  {
   "id": "8e187d64f9388f00b2a372a342051234d3bed25d",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/8e187d6.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/8e187d64f9388f00b2a372a342051234d3bed25d",
   "title": "Parameter changes: bt_navigator.plugin_lib_names [nav2_compute_path_to_pose_action_bt_no…→[nav2_compute_path_to_pose_action_bt_no….",
   "content_html": "<ul><li>Parameter defaults changed: <code>bt_navigator.plugin_lib_names</code>: <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]</code> → <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+4/−0).</li></ul>",
   "date_published": "2023-01-10T19:11:59Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "8e187d64f9388f00b2a372a342051234d3bed25d",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/8e187d64f9388f00b2a372a342051234d3bed25d",
    "class": "code",
    "changes": [
     {
      "commit": "8e187d64f9388f00b2a372a342051234d3bed25d",
      "short": "8e187d6",
      "date": "2023-01-10T11:11:59-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/8e187d64f9388f00b2a372a342051234d3bed25d",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/8e187d64f9388f00b2a372a342051234d3bed25d/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_are_error_codes_active_condition_bt_node, nav2_would_a_controller_recovery_help_condition_bt_node, nav2_would_a_planner_recovery_help_condition_bt_node, nav2_would_a_smoother_recovery_help_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "58a651ce525a2a5146f2f1d8e27b6ac7b82e0635",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/58a651c.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/58a651ce525a2a5146f2f1d8e27b6ac7b82e0635",
   "title": "9 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>Added 9 parameters: <code>bt_navigator.navigate_through_poses.plugin</code> = <code>&quot;nav2_bt_navigator/NavigateThroughPosesN</code>, <code>bt_navigator.navigate_to_pose.plugin</code> = <code>&quot;nav2_bt_navigator/NavigateToPoseNavigat</code>, <code>bt_navigator.navigators</code> = <code>[&quot;navigate_to_pose&quot;, &quot;navigate_through_p</code>, <code>bt_navigator.navigate_through_poses.plugin</code> = <code>&quot;nav2_bt_navigator/NavigateThroughPosesN</code>, <code>bt_navigator.navigate_to_pose.plugin</code> = <code>&quot;nav2_bt_navigator/NavigateToPoseNavigat</code>, <code>bt_navigator.navigators</code> = <code>[&quot;navigate_to_pose&quot;, &quot;navigate_through_p</code>, <code>bt_navigator.navigate_through_poses.plugin</code> = <code>&quot;nav2_bt_navigator/NavigateThroughPosesN</code>, <code>bt_navigator.navigate_to_pose.plugin</code> = <code>&quot;nav2_bt_navigator/NavigateToPoseNavigat</code> and 1 more.</li><li>Most activity in <code>nav2_bringup/</code> (+15/−0).</li></ul>",
   "date_published": "2023-01-04T01:16:12Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "58a651ce525a2a5146f2f1d8e27b6ac7b82e0635",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/58a651ce525a2a5146f2f1d8e27b6ac7b82e0635",
    "class": "code",
    "changes": [
     {
      "commit": "58a651ce525a2a5146f2f1d8e27b6ac7b82e0635",
      "short": "58a651c",
      "date": "2023-01-03T17:16:12-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/58a651ce525a2a5146f2f1d8e27b6ac7b82e0635",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/58a651ce525a2a5146f2f1d8e27b6ac7b82e0635/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.navigate_through_poses.plugin",
      "kind": "added",
      "type": "string",
      "old": null,
      "new": "\"nav2_bt_navigator/NavigateThroughPosesNavigator\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "58a651ce525a2a5146f2f1d8e27b6ac7b82e0635",
      "short": "58a651c",
      "date": "2023-01-03T17:16:12-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/58a651ce525a2a5146f2f1d8e27b6ac7b82e0635",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/58a651ce525a2a5146f2f1d8e27b6ac7b82e0635/nav2_bringup/params/nav2_multirobot_params_1.yaml",
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   "external_url": "https://github.com/ros-navigation/navigation2/commit/a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc",
   "title": "Parameter changes: bt_navigator.plugin_lib_names [nav2_compute_path_to_pose_action_bt_no…→[nav2_compute_path_to_pose_action_bt_no… and behavior_server.behavior_plugins [\"spin\", \"backup\", \"drive_on_heading\", …→[\"spin\", \"backup\", \"drive_on_heading\", ….",
   "content_html": "<ul><li>Parameter defaults changed: <code>bt_navigator.plugin_lib_names</code>: <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]</code> → <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>) and <code>behavior_server.behavior_plugins</code>: <code>[&quot;spin&quot;, &quot;backup&quot;, &quot;drive_on_heading&quot;, &quot;wait&quot;]</code> → <code>[&quot;spin&quot;, &quot;backup&quot;, &quot;drive_on_heading&quot;, &quot;assisted_teleop&quot;, &quot;wait&quot;]</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Added 1 parameter: <code>behavior_server.assisted_teleop.plugin</code> = <code>&quot;nav2_behaviors/AssistedTeleop&quot;</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+9/−1).</li></ul>",
   "date_published": "2022-08-25T16:44:50Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc",
    "class": "code",
    "changes": [
     {
      "commit": "a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc",
      "short": "a7d9c9b",
      "date": "2022-08-25T09:44:50-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc",
      "short": "a7d9c9b",
      "date": "2022-08-25T09:44:50-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc",
      "short": "a7d9c9b",
      "date": "2022-08-25T09:44:50-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.assisted_teleop.plugin",
      "kind": "added",
      "type": "string",
      "old": null,
      "new": "\"nav2_behaviors/AssistedTeleop\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc",
      "short": "a7d9c9b",
      "date": "2022-08-25T09:44:50-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.behavior_plugins",
      "kind": "changed",
      "type": "list",
      "old": "[\"spin\", \"backup\", \"drive_on_heading\", \"wait\"]",
      "new": "[\"spin\", \"backup\", \"drive_on_heading\", \"assisted_teleop\", \"wait\"]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc",
      "short": "a7d9c9b",
      "date": "2022-08-25T09:44:50-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/a7d9c9bc4f23adf03acfd0ec9b1af089d7146bbc/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_assisted_teleop_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_assisted_teleop_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "7703c816a11368fb1a48663dc92e4e93affb637e",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/7703c81.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/7703c816a11368fb1a48663dc92e4e93affb637e",
   "title": "Removed 39 parameters: amcl.use_sim_time, behavior_server.use_sim_time, bt_navigator.use_sim_time and 36 more.",
   "content_html": "<ul><li>Removed 39 flags: <code>amcl.use_sim_time</code>, <code>behavior_server.use_sim_time</code>, <code>bt_navigator.use_sim_time</code>, <code>bt_navigator_navigate_through_poses_rclcpp_node.use_sim_time</code>, <code>bt_navigator_navigate_to_pose_rclcpp_node.use_sim_time</code>, <code>controller_server.use_sim_time</code>, <code>global_costmap.global_costmap.use_sim_time</code>, <code>local_costmap.local_costmap.use_sim_time</code> and 31 more.</li><li>Most activity in <code>nav2_bringup/</code> (+0/−72).</li></ul>",
   "date_published": "2022-08-25T15:13:08Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "7703c816a11368fb1a48663dc92e4e93affb637e",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/7703c816a11368fb1a48663dc92e4e93affb637e",
    "class": "code",
    "changes": [
     {
      "commit": "7703c816a11368fb1a48663dc92e4e93affb637e",
      "short": "7703c81",
      "date": "2022-08-25T08:13:08-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/7703c816a11368fb1a48663dc92e4e93affb637e",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/7703c816a11368fb1a48663dc92e4e93affb637e/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "amcl.use_sim_time",
      "kind": "removed",
      "type": "bool",
      "old": "True",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "7703c816a11368fb1a48663dc92e4e93affb637e",
      "short": "7703c81",
      "date": "2022-08-25T08:13:08-07:00",
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/7703c816a11368fb1a48663dc92e4e93affb637e",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/7703c816a11368fb1a48663dc92e4e93affb637e/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator_navigate_to_pose_rclcpp_node.use_sim_time",
      "kind": "removed",
      "type": "bool",
      "old": "True",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "7703c816a11368fb1a48663dc92e4e93affb637e",
      "short": "7703c81",
      "date": "2022-08-25T08:13:08-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/7703c816a11368fb1a48663dc92e4e93affb637e",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/7703c816a11368fb1a48663dc92e4e93affb637e/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.use_sim_time",
      "kind": "removed",
      "type": "bool",
      "old": "True",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "7703c816a11368fb1a48663dc92e4e93affb637e",
      "short": "7703c81",
      "date": "2022-08-25T08:13:08-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/7703c816a11368fb1a48663dc92e4e93affb637e",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/7703c816a11368fb1a48663dc92e4e93affb637e/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "global_costmap.global_costmap.use_sim_time",
      "kind": "removed",
      "type": "bool",
      "old": "True",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "7703c816a11368fb1a48663dc92e4e93affb637e",
      "short": "7703c81",
      "date": "2022-08-25T08:13:08-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/7703c816a11368fb1a48663dc92e4e93affb637e",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/7703c816a11368fb1a48663dc92e4e93affb637e/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "local_costmap.local_costmap.use_sim_time",
      "kind": "removed",
      "type": "bool",
      "old": "True",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "7703c816a11368fb1a48663dc92e4e93affb637e",
      "short": "7703c81",
      "date": "2022-08-25T08:13:08-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/7703c816a11368fb1a48663dc92e4e93affb637e",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/7703c816a11368fb1a48663dc92e4e93affb637e/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "map_saver.use_sim_time",
      "kind": "removed",
      "type": "bool",
      "old": "True",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "7703c816a11368fb1a48663dc92e4e93affb637e",
      "short": "7703c81",
      "date": "2022-08-25T08:13:08-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/7703c816a11368fb1a48663dc92e4e93affb637e",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/7703c816a11368fb1a48663dc92e4e93affb637e/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "map_server.use_sim_time",
      "kind": "removed",
      "type": "bool",
      "old": "True",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "7703c816a11368fb1a48663dc92e4e93affb637e",
      "short": "7703c81",
      "date": "2022-08-25T08:13:08-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/7703c816a11368fb1a48663dc92e4e93affb637e",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/7703c816a11368fb1a48663dc92e4e93affb637e/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "planner_server.use_sim_time",
      "kind": "removed",
      "type": "bool",
      "old": "True",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "7703c816a11368fb1a48663dc92e4e93affb637e",
      "short": "7703c81",
      "date": "2022-08-25T08:13:08-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/7703c816a11368fb1a48663dc92e4e93affb637e",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/7703c816a11368fb1a48663dc92e4e93affb637e/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "robot_state_publisher.use_sim_time",
      "kind": "removed",
      "type": "bool",
      "old": "True",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "7703c816a11368fb1a48663dc92e4e93affb637e",
      "short": "7703c81",
      "date": "2022-08-25T08:13:08-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/7703c816a11368fb1a48663dc92e4e93affb637e",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/7703c816a11368fb1a48663dc92e4e93affb637e/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "smoother_server.use_sim_time",
      "kind": "removed",
      "type": "bool",
      "old": "True",
      "new": null,
      "pct_change": null,
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     },
     {
      "commit": "7703c816a11368fb1a48663dc92e4e93affb637e",
      "short": "7703c81",
      "date": "2022-08-25T08:13:08-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/7703c816a11368fb1a48663dc92e4e93affb637e",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/7703c816a11368fb1a48663dc92e4e93affb637e/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "velocity_smoother.use_sim_time",
      "kind": "removed",
      "type": "bool",
      "old": "True",
      "new": null,
      "pct_change": null,
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     },
     {
      "commit": "7703c816a11368fb1a48663dc92e4e93affb637e",
      "short": "7703c81",
      "date": "2022-08-25T08:13:08-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/7703c816a11368fb1a48663dc92e4e93affb637e",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/7703c816a11368fb1a48663dc92e4e93affb637e/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "waypoint_follower.use_sim_time",
      "kind": "removed",
      "type": "bool",
      "old": "True",
      "new": null,
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "1c74368dc5fea59d2b2ea2c5918c936994ff6626",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/1c74368.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/1c74368dc5fea59d2b2ea2c5918c936994ff6626",
   "title": "Parameter changes: map_server.yaml_filename \"turtlebot3_world.yaml\"→\"\".",
   "content_html": "<ul><li>Parameter defaults changed: <code>map_server.yaml_filename</code>: <code>&quot;turtlebot3_world.yaml&quot;</code> → <code>&quot;&quot;</code> (in <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+3/−1).</li></ul>",
   "date_published": "2022-08-24T21:41:35Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "1c74368dc5fea59d2b2ea2c5918c936994ff6626",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/1c74368dc5fea59d2b2ea2c5918c936994ff6626",
    "class": "code",
    "changes": [
     {
      "commit": "1c74368dc5fea59d2b2ea2c5918c936994ff6626",
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      "date": "2022-08-24T14:41:35-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/1c74368dc5fea59d2b2ea2c5918c936994ff6626",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/1c74368dc5fea59d2b2ea2c5918c936994ff6626/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "map_server.yaml_filename",
      "kind": "changed",
      "type": "string",
      "old": "\"turtlebot3_world.yaml\"",
      "new": "\"\"",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
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   }
  },
  {
   "id": "aa65dd9227a84e6d972ac2e10f01a9086caf63fc",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/aa65dd9.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/aa65dd9227a84e6d972ac2e10f01a9086caf63fc",
   "title": "Parameter changes: controller_server.goal_checker_plugins \"goal_checker\"→[\"goal_checker\"].",
   "content_html": "<ul><li>Parameter defaults changed: <code>controller_server.goal_checker_plugins</code>: <code>&quot;goal_checker&quot;</code> → <code>[&quot;goal_checker&quot;]</code> (in <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+1/−1).</li></ul>",
   "date_published": "2022-08-22T16:08:09Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
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    "commit_url": "https://github.com/ros-navigation/navigation2/commit/aa65dd9227a84e6d972ac2e10f01a9086caf63fc",
    "class": "code",
    "changes": [
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      "date": "2022-08-22T09:08:09-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/aa65dd9227a84e6d972ac2e10f01a9086caf63fc",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/aa65dd9227a84e6d972ac2e10f01a9086caf63fc/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.goal_checker_plugins",
      "kind": "changed",
      "type": "list",
      "old": "\"goal_checker\"",
      "new": "[\"goal_checker\"]",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
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   }
  },
  {
   "id": "6d16394a59cbe34f7c2e23914ccfb2ce501388de",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/6d16394.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/6d16394a59cbe34f7c2e23914ccfb2ce501388de",
   "title": "Parameter changes: controller_server.goal_checker_plugins \"goal_checker\"→[\"goal_checker\"].",
   "content_html": "<ul><li>Parameter defaults changed: <code>controller_server.goal_checker_plugins</code>: <code>&quot;goal_checker&quot;</code> → <code>[&quot;goal_checker&quot;]</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+1/−1).</li></ul>",
   "date_published": "2022-08-22T16:07:58Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "6d16394a59cbe34f7c2e23914ccfb2ce501388de",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/6d16394a59cbe34f7c2e23914ccfb2ce501388de",
    "class": "code",
    "changes": [
     {
      "commit": "6d16394a59cbe34f7c2e23914ccfb2ce501388de",
      "short": "6d16394",
      "date": "2022-08-22T09:07:58-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/6d16394a59cbe34f7c2e23914ccfb2ce501388de",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/6d16394a59cbe34f7c2e23914ccfb2ce501388de/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "controller_server.goal_checker_plugins",
      "kind": "changed",
      "type": "list",
      "old": "\"goal_checker\"",
      "new": "[\"goal_checker\"]",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
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  },
  {
   "id": "28d16ab57be6a98733651db7b94ec10bdf3f804e",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/28d16ab.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/28d16ab57be6a98733651db7b94ec10bdf3f804e",
   "title": "Parameter changes: bt_navigator.plugin_lib_names [nav2_compute_path_to_pose_action_bt_no…→[nav2_compute_path_to_pose_action_bt_no….",
   "content_html": "<ul><li>Parameter defaults changed: <code>bt_navigator.plugin_lib_names</code>: <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]</code> → <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_goal_updated_controller_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+3/−0).</li></ul>",
   "date_published": "2022-06-28T19:07:30Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "28d16ab57be6a98733651db7b94ec10bdf3f804e",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/28d16ab57be6a98733651db7b94ec10bdf3f804e",
    "class": "code",
    "changes": [
     {
      "commit": "28d16ab57be6a98733651db7b94ec10bdf3f804e",
      "short": "28d16ab",
      "date": "2022-06-28T12:07:30-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/28d16ab57be6a98733651db7b94ec10bdf3f804e",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/28d16ab57be6a98733651db7b94ec10bdf3f804e/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
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   "external_url": "https://github.com/ros-navigation/navigation2/commit/0e287c1c20e59b59ee7a235a19855d85af6ce4c1",
   "title": "1 new parameter in nav2_bringup/.",
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   "id": "6f31d59e6d43f845b70bd1b953fec21f6e792c0d",
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   "external_url": "https://github.com/ros-navigation/navigation2/commit/af3ff3520f6c7322e8bd8b88cbfb20793b8543d5",
   "title": "Parameter changes: bt_navigator.plugin_lib_names [nav2_compute_path_to_pose_action_bt_no…→[nav2_compute_path_to_pose_action_bt_no….",
   "content_html": "<ul><li>Parameter defaults changed: <code>bt_navigator.plugin_lib_names</code>: <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]</code> → <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+3/−0).</li></ul>",
   "date_published": "2022-05-10T17:54:14Z",
   "tags": [
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      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "af3ff3520f6c7322e8bd8b88cbfb20793b8543d5",
      "short": "af3ff35",
      "date": "2022-05-10T10:54:14-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/af3ff3520f6c7322e8bd8b88cbfb20793b8543d5",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/af3ff3520f6c7322e8bd8b88cbfb20793b8543d5/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_truncate_path_local_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "54323dc0eb1fad0718d8556d6737407ca8742a32",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/54323dc.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/54323dc0eb1fad0718d8556d6737407ca8742a32",
   "title": "Parameter changes: behavior_server.behavior_plugins [\"spin\", \"backup\", \"wait\"]→[\"spin\", \"backup\", \"drive_on_heading\", … and bt_navigator.plugin_lib_names [nav2_compute_path_to_pose_action_bt_no…→[nav2_compute_path_to_pose_action_bt_no….",
   "content_html": "<ul><li>Parameter defaults changed: <code>behavior_server.behavior_plugins</code>: <code>[&quot;spin&quot;, &quot;backup&quot;, &quot;wait&quot;]</code> → <code>[&quot;spin&quot;, &quot;backup&quot;, &quot;drive_on_heading&quot;, &quot;wait&quot;]</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>) and <code>bt_navigator.plugin_lib_names</code>: <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]</code> → <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Added 3 parameters: <code>behavior_server.drive_on_heading.plugin</code> = <code>&quot;nav2_behaviors/DriveOnHeading&quot;</code>, <code>behavior_server.drive_on_heading.plugin</code> = <code>&quot;nav2_behaviors/DriveOnHeading&quot;</code> and <code>behavior_server.drive_on_heading.plugin</code> = <code>&quot;nav2_behaviors/DriveOnHeading&quot;</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+18/−6).</li></ul>",
   "date_published": "2022-05-04T17:39:16Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "54323dc0eb1fad0718d8556d6737407ca8742a32",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/54323dc0eb1fad0718d8556d6737407ca8742a32",
    "class": "code",
    "changes": [
     {
      "commit": "54323dc0eb1fad0718d8556d6737407ca8742a32",
      "short": "54323dc",
      "date": "2022-05-04T10:39:16-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/54323dc0eb1fad0718d8556d6737407ca8742a32",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/54323dc0eb1fad0718d8556d6737407ca8742a32/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.behavior_plugins",
      "kind": "changed",
      "type": "list",
      "old": "[\"spin\", \"backup\", \"wait\"]",
      "new": "[\"spin\", \"backup\", \"drive_on_heading\", \"wait\"]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "54323dc0eb1fad0718d8556d6737407ca8742a32",
      "short": "54323dc",
      "date": "2022-05-04T10:39:16-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/54323dc0eb1fad0718d8556d6737407ca8742a32",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/54323dc0eb1fad0718d8556d6737407ca8742a32/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.drive_on_heading.plugin",
      "kind": "added",
      "type": "string",
      "old": null,
      "new": "\"nav2_behaviors/DriveOnHeading\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "54323dc0eb1fad0718d8556d6737407ca8742a32",
      "short": "54323dc",
      "date": "2022-05-04T10:39:16-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/54323dc0eb1fad0718d8556d6737407ca8742a32",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/54323dc0eb1fad0718d8556d6737407ca8742a32/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "54323dc0eb1fad0718d8556d6737407ca8742a32",
      "short": "54323dc",
      "date": "2022-05-04T10:39:16-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/54323dc0eb1fad0718d8556d6737407ca8742a32",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/54323dc0eb1fad0718d8556d6737407ca8742a32/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.behavior_plugins",
      "kind": "changed",
      "type": "list",
      "old": "[\"spin\", \"backup\", \"wait\"]",
      "new": "[\"spin\", \"backup\", \"drive_on_heading\", \"wait\"]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "54323dc0eb1fad0718d8556d6737407ca8742a32",
      "short": "54323dc",
      "date": "2022-05-04T10:39:16-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/54323dc0eb1fad0718d8556d6737407ca8742a32",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/54323dc0eb1fad0718d8556d6737407ca8742a32/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.drive_on_heading.plugin",
      "kind": "added",
      "type": "string",
      "old": null,
      "new": "\"nav2_behaviors/DriveOnHeading\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "54323dc0eb1fad0718d8556d6737407ca8742a32",
      "short": "54323dc",
      "date": "2022-05-04T10:39:16-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/54323dc0eb1fad0718d8556d6737407ca8742a32",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/54323dc0eb1fad0718d8556d6737407ca8742a32/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
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      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_back_up_action_bt_node, nav2_drive_on_heading_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node, nav2_drive_on_heading_cancel_bt_node]",
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      "ratio": null
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     {
      "commit": "54323dc0eb1fad0718d8556d6737407ca8742a32",
      "short": "54323dc",
      "date": "2022-05-04T10:39:16-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/54323dc0eb1fad0718d8556d6737407ca8742a32",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/54323dc0eb1fad0718d8556d6737407ca8742a32/nav2_bringup/params/nav2_params.yaml",
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      "name": "behavior_server.behavior_plugins",
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      "type": "list",
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      "commit": "54323dc0eb1fad0718d8556d6737407ca8742a32",
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      "date": "2022-05-04T10:39:16-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/54323dc0eb1fad0718d8556d6737407ca8742a32",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/54323dc0eb1fad0718d8556d6737407ca8742a32/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.drive_on_heading.plugin",
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/54323dc0eb1fad0718d8556d6737407ca8742a32",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/54323dc0eb1fad0718d8556d6737407ca8742a32/nav2_bringup/params/nav2_params.yaml",
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      "name": "bt_navigator.plugin_lib_names",
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      "pct_change": null,
      "ratio": null
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     "status": "skip",
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  },
  {
   "id": "d3ce8003b79550be1833a48c18169d4ada49212f",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/d3ce800.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/d3ce8003b79550be1833a48c18169d4ada49212f",
   "title": "2 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>Added 2 parameters: <code>controller_server.goal_checker_plugins</code> = <code>&quot;goal_checker&quot;</code> and <code>controller_server.goal_checker_plugins</code> = <code>&quot;goal_checker&quot;</code>.</li><li>Removed 2 parameters: <code>controller_server.goal_checker_plugin</code> and <code>controller_server.goal_checker_plugin</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+2/−2).</li></ul>",
   "date_published": "2022-04-12T00:10:03Z",
   "tags": [
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/d3ce8003b79550be1833a48c18169d4ada49212f",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/d3ce8003b79550be1833a48c18169d4ada49212f/nav2_bringup/params/nav2_multirobot_params_1.yaml",
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/d3ce8003b79550be1833a48c18169d4ada49212f",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/d3ce8003b79550be1833a48c18169d4ada49212f/nav2_bringup/params/nav2_multirobot_params_1.yaml",
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      "short": "d3ce800",
      "date": "2022-04-11T17:10:03-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/d3ce8003b79550be1833a48c18169d4ada49212f",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/d3ce8003b79550be1833a48c18169d4ada49212f/nav2_bringup/params/nav2_multirobot_params_2.yaml",
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      "short": "d3ce800",
      "date": "2022-04-11T17:10:03-07:00",
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      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/d3ce8003b79550be1833a48c18169d4ada49212f/nav2_bringup/params/nav2_multirobot_params_2.yaml",
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      "name": "controller_server.goal_checker_plugins",
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  {
   "id": "4234a6ea27de2094dde98a5f928522d72b139227",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/4234a6e.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/4234a6ea27de2094dde98a5f928522d72b139227",
   "title": "45 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>Added 3 flags: <code>behavior_server.use_sim_time</code> (default on), <code>behavior_server.use_sim_time</code> (default on) and <code>behavior_server.use_sim_time</code> (default on).</li><li>Added 42 parameters: <code>behavior_server.backup.plugin</code> = <code>&quot;nav2_behaviors/BackUp&quot;</code>, <code>behavior_server.behavior_plugins</code> = <code>[&quot;spin&quot;, &quot;backup&quot;, &quot;wait&quot;]</code>, <code>behavior_server.costmap_topic</code> = <code>local_costmap/costmap_raw</code>, <code>behavior_server.cycle_frequency</code> = <code>10.0</code>, <code>behavior_server.footprint_topic</code> = <code>local_costmap/published_footprint</code>, <code>behavior_server.global_frame</code> = <code>odom</code>, <code>behavior_server.max_rotational_vel</code> = <code>1.0</code>, <code>behavior_server.min_rotational_vel</code> = <code>0.4</code> and 34 more.</li><li>Removed 3 flags: <code>recoveries_server.use_sim_time</code>, <code>recoveries_server.use_sim_time</code> and <code>recoveries_server.use_sim_time</code>.</li><li>Removed 42 parameters: <code>recoveries_server.backup.plugin</code>, <code>recoveries_server.costmap_topic</code>, <code>recoveries_server.cycle_frequency</code>, <code>recoveries_server.footprint_topic</code>, <code>recoveries_server.global_frame</code>, <code>recoveries_server.max_rotational_vel</code>, <code>recoveries_server.min_rotational_vel</code>, <code>recoveries_server.recovery_plugins</code> and 34 more.</li><li>Most activity in <code>nav2_bringup/</code> (+15/−15).</li></ul>",
   "date_published": "2022-04-04T21:35:53Z",
   "tags": [
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/4234a6ea27de2094dde98a5f928522d72b139227",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/4234a6ea27de2094dde98a5f928522d72b139227/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.backup.plugin",
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      "old": null,
      "new": "\"nav2_behaviors/BackUp\"",
      "pct_change": null,
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     },
     {
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      "short": "4234a6e",
      "date": "2022-04-04T14:35:53-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/4234a6ea27de2094dde98a5f928522d72b139227",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/4234a6ea27de2094dde98a5f928522d72b139227/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.behavior_plugins",
      "kind": "added",
      "type": "list",
      "old": null,
      "new": "[\"spin\", \"backup\", \"wait\"]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "4234a6ea27de2094dde98a5f928522d72b139227",
      "short": "4234a6e",
      "date": "2022-04-04T14:35:53-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/4234a6ea27de2094dde98a5f928522d72b139227",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/4234a6ea27de2094dde98a5f928522d72b139227/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.costmap_topic",
      "kind": "added",
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      "pct_change": null,
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      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/4234a6ea27de2094dde98a5f928522d72b139227/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "behavior_server.cycle_frequency",
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      "extractor": "ros2_yaml",
      "name": "behavior_server.footprint_topic",
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      "file_url": "https://github.com/ros-navigation/navigation2/blob/4234a6ea27de2094dde98a5f928522d72b139227/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
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      "extractor": "ros2_yaml",
      "name": "behavior_server.max_rotational_vel",
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      "date": "2022-04-04T14:35:53-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/4234a6ea27de2094dde98a5f928522d72b139227",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/4234a6ea27de2094dde98a5f928522d72b139227/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
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      "name": "recoveries_server.transform_tolerance",
      "kind": "removed",
      "type": "number",
      "old": "0.1",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "4234a6ea27de2094dde98a5f928522d72b139227",
      "short": "4234a6e",
      "date": "2022-04-04T14:35:53-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/4234a6ea27de2094dde98a5f928522d72b139227",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/4234a6ea27de2094dde98a5f928522d72b139227/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "recoveries_server.use_sim_time",
      "kind": "removed",
      "type": "bool",
      "old": "true",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "4234a6ea27de2094dde98a5f928522d72b139227",
      "short": "4234a6e",
      "date": "2022-04-04T14:35:53-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/4234a6ea27de2094dde98a5f928522d72b139227",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/4234a6ea27de2094dde98a5f928522d72b139227/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "recoveries_server.wait.plugin",
      "kind": "removed",
      "type": "string",
      "old": "\"nav2_recoveries/Wait\"",
      "new": null,
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "ready",
     "posts": [
      "Nav2 update (Apr 4): new behavior_server/transform_tolerance = 0.1\n- recoveries_server/transform_tolerance removed (was 0.1)\n- new flag behavior_server/use_sim_time (ON by default)\n- new behavior_server/cycle_frequency = 10.0",
      "Details: https://fitzyracing1.github.io/knoblog/demo/nav2/entries/4234a6e.html\nCommit: https://github.com/ros-navigation/navigation2/commit/4234a6ea27de2094dde98a5f928522d72b139227\nValues are repo defaults from the params files."
     ],
     "weighted_lengths": [
      225,
      112
     ]
    }
   }
  },
  {
   "id": "b48ba733fb45106341d974f4147497975f412c8c",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/b48ba73.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/b48ba733fb45106341d974f4147497975f412c8c",
   "title": "5 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>Added 1 flag: <code>smoother_server.simple_smoother.do_refinement</code> (default on).</li><li>Added 4 parameters: <code>smoother_server.simple_smoother.max_its</code> = <code>1000</code>, <code>smoother_server.simple_smoother.plugin</code> = <code>&quot;nav2_smoother::SimpleSmoother&quot;</code>, <code>smoother_server.simple_smoother.tolerance</code> = <code>1.0e-10</code> and <code>smoother_server.smoother_plugins</code> = <code>[&quot;simple_smoother&quot;]</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+6/−0).</li></ul>",
   "date_published": "2022-03-30T22:12:50Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "b48ba733fb45106341d974f4147497975f412c8c",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/b48ba733fb45106341d974f4147497975f412c8c",
    "class": "code",
    "changes": [
     {
      "commit": "b48ba733fb45106341d974f4147497975f412c8c",
      "short": "b48ba73",
      "date": "2022-03-30T15:12:50-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b48ba733fb45106341d974f4147497975f412c8c",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b48ba733fb45106341d974f4147497975f412c8c/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "smoother_server.simple_smoother.do_refinement",
      "kind": "added",
      "type": "bool",
      "old": null,
      "new": "True",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b48ba733fb45106341d974f4147497975f412c8c",
      "short": "b48ba73",
      "date": "2022-03-30T15:12:50-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b48ba733fb45106341d974f4147497975f412c8c",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b48ba733fb45106341d974f4147497975f412c8c/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "smoother_server.simple_smoother.max_its",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "1000",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b48ba733fb45106341d974f4147497975f412c8c",
      "short": "b48ba73",
      "date": "2022-03-30T15:12:50-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b48ba733fb45106341d974f4147497975f412c8c",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b48ba733fb45106341d974f4147497975f412c8c/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "smoother_server.simple_smoother.plugin",
      "kind": "added",
      "type": "string",
      "old": null,
      "new": "\"nav2_smoother::SimpleSmoother\"",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b48ba733fb45106341d974f4147497975f412c8c",
      "short": "b48ba73",
      "date": "2022-03-30T15:12:50-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b48ba733fb45106341d974f4147497975f412c8c",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b48ba733fb45106341d974f4147497975f412c8c/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "smoother_server.simple_smoother.tolerance",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "1.0e-10",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "b48ba733fb45106341d974f4147497975f412c8c",
      "short": "b48ba73",
      "date": "2022-03-30T15:12:50-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b48ba733fb45106341d974f4147497975f412c8c",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/b48ba733fb45106341d974f4147497975f412c8c/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "smoother_server.smoother_plugins",
      "kind": "added",
      "type": "list",
      "old": null,
      "new": "[\"simple_smoother\"]",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "ready",
     "posts": [
      "Nav2 update (Mar 30): new smoother_server/simple_smoother/tolerance = 1.0e-10\n- new flag smoother_server/simple_smoother/do_refinement (ON by default)\n\nDetails: https://fitzyracing1.github.io/knoblog/demo/nav2/entries/b48ba73.html\nCommit: https://github.com/ros-navigation/navigation2/commit/b48ba733fb45106341d974f4147497975f412c8c\nValues are repo defaults from the params files."
     ],
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  },
  {
   "id": "ad3469315c88e577e2645fdbaada50a2d6175707",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/ad34693.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/ad3469315c88e577e2645fdbaada50a2d6175707",
   "title": "Parameter changes: bt_navigator.plugin_lib_names [nav2_compute_path_to_pose_action_bt_no…→[nav2_compute_path_to_pose_action_bt_no….",
   "content_html": "<ul><li>Parameter defaults changed: <code>bt_navigator.plugin_lib_names</code>: <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]</code> → <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+3/−0).</li></ul>",
   "date_published": "2022-03-30T18:37:43Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "ad3469315c88e577e2645fdbaada50a2d6175707",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/ad3469315c88e577e2645fdbaada50a2d6175707",
    "class": "code",
    "changes": [
     {
      "commit": "ad3469315c88e577e2645fdbaada50a2d6175707",
      "short": "ad34693",
      "date": "2022-03-30T11:37:43-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/ad3469315c88e577e2645fdbaada50a2d6175707",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/ad3469315c88e577e2645fdbaada50a2d6175707/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "ad3469315c88e577e2645fdbaada50a2d6175707",
      "short": "ad34693",
      "date": "2022-03-30T11:37:43-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/ad3469315c88e577e2645fdbaada50a2d6175707",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/ad3469315c88e577e2645fdbaada50a2d6175707/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "ad3469315c88e577e2645fdbaada50a2d6175707",
      "short": "ad34693",
      "date": "2022-03-30T11:37:43-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/ad3469315c88e577e2645fdbaada50a2d6175707",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/ad3469315c88e577e2645fdbaada50a2d6175707/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_path_longer_on_approach_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "2000ef9332d2b368d00d53dd64ccc358ca517f38",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/2000ef9.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/2000ef9332d2b368d00d53dd64ccc358ca517f38",
   "title": "Parameter changes: bt_navigator.plugin_lib_names [nav2_compute_path_to_pose_action_bt_no…→[nav2_compute_path_to_pose_action_bt_no….",
   "content_html": "<ul><li>Parameter defaults changed: <code>bt_navigator.plugin_lib_names</code>: <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]</code> → <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+7/−4).</li></ul>",
   "date_published": "2022-03-29T19:25:08Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "2000ef9332d2b368d00d53dd64ccc358ca517f38",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/2000ef9332d2b368d00d53dd64ccc358ca517f38",
    "class": "code",
    "changes": [
     {
      "commit": "2000ef9332d2b368d00d53dd64ccc358ca517f38",
      "short": "2000ef9",
      "date": "2022-03-29T12:25:08-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/2000ef9332d2b368d00d53dd64ccc358ca517f38",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/2000ef9332d2b368d00d53dd64ccc358ca517f38/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "2000ef9332d2b368d00d53dd64ccc358ca517f38",
      "short": "2000ef9",
      "date": "2022-03-29T12:25:08-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/2000ef9332d2b368d00d53dd64ccc358ca517f38",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/2000ef9332d2b368d00d53dd64ccc358ca517f38/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "2000ef9332d2b368d00d53dd64ccc358ca517f38",
      "short": "2000ef9",
      "date": "2022-03-29T12:25:08-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/2000ef9332d2b368d00d53dd64ccc358ca517f38",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/2000ef9332d2b368d00d53dd64ccc358ca517f38/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_path_expiring_timer_condition, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "95e76c6033b146906c860d00ac5c4abbbcff8ab0",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/95e76c6.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/95e76c6033b146906c860d00ac5c4abbbcff8ab0",
   "title": "Parameter changes: bt_navigator.plugin_lib_names [nav2_compute_path_to_pose_action_bt_no…→[nav2_compute_path_to_pose_action_bt_no….",
   "content_html": "<ul><li>Parameter defaults changed: <code>bt_navigator.plugin_lib_names</code>: <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node]</code> → <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+9/−0).</li></ul>",
   "date_published": "2022-03-22T19:38:13Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "95e76c6033b146906c860d00ac5c4abbbcff8ab0",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/95e76c6033b146906c860d00ac5c4abbbcff8ab0",
    "class": "code",
    "changes": [
     {
      "commit": "95e76c6033b146906c860d00ac5c4abbbcff8ab0",
      "short": "95e76c6",
      "date": "2022-03-22T12:38:13-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/95e76c6033b146906c860d00ac5c4abbbcff8ab0",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/95e76c6033b146906c860d00ac5c4abbbcff8ab0/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
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      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "95e76c6033b146906c860d00ac5c4abbbcff8ab0",
      "short": "95e76c6",
      "date": "2022-03-22T12:38:13-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/95e76c6033b146906c860d00ac5c4abbbcff8ab0",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/95e76c6033b146906c860d00ac5c4abbbcff8ab0/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "95e76c6033b146906c860d00ac5c4abbbcff8ab0",
      "short": "95e76c6",
      "date": "2022-03-22T12:38:13-07:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/95e76c6033b146906c860d00ac5c4abbbcff8ab0",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/95e76c6033b146906c860d00ac5c4abbbcff8ab0/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
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      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node, nav2_wait_cancel_bt_node, nav2_spin_cancel_bt_node, nav2_back_up_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
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    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
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   }
  },
  {
   "id": "459b74d5fa53e1588b01e2c7bbd865acc0dc6cbb",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/459b74d.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/459b74d5fa53e1588b01e2c7bbd865acc0dc6cbb",
   "title": "Parameter changes: bt_navigator.plugin_lib_names [nav2_compute_path_to_pose_action_bt_no…→[nav2_compute_path_to_pose_action_bt_no….",
   "content_html": "<ul><li>Parameter defaults changed: <code>bt_navigator.plugin_lib_names</code>: <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node]</code> → <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node]</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+6/−0).</li></ul>",
   "date_published": "2022-02-02T18:08:57Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "459b74d5fa53e1588b01e2c7bbd865acc0dc6cbb",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/459b74d5fa53e1588b01e2c7bbd865acc0dc6cbb",
    "class": "code",
    "changes": [
     {
      "commit": "459b74d5fa53e1588b01e2c7bbd865acc0dc6cbb",
      "short": "459b74d",
      "date": "2022-02-02T10:08:57-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/459b74d5fa53e1588b01e2c7bbd865acc0dc6cbb",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/459b74d5fa53e1588b01e2c7bbd865acc0dc6cbb/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "459b74d5fa53e1588b01e2c7bbd865acc0dc6cbb",
      "short": "459b74d",
      "date": "2022-02-02T10:08:57-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/459b74d5fa53e1588b01e2c7bbd865acc0dc6cbb",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/459b74d5fa53e1588b01e2c7bbd865acc0dc6cbb/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "459b74d5fa53e1588b01e2c7bbd865acc0dc6cbb",
      "short": "459b74d",
      "date": "2022-02-02T10:08:57-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/459b74d5fa53e1588b01e2c7bbd865acc0dc6cbb",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/459b74d5fa53e1588b01e2c7bbd865acc0dc6cbb/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_globally_updated_goal_condition_bt_node, nav2_is_path_valid_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "9c6fc02f95e8c51212cb7b2af12f12fb81c43b3b",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/9c6fc02.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/9c6fc02f95e8c51212cb7b2af12f12fb81c43b3b",
   "title": "Parameter changes: bt_navigator.plugin_lib_names [nav2_compute_path_to_pose_action_bt_no…→[nav2_compute_path_to_pose_action_bt_no….",
   "content_html": "<ul><li>Parameter defaults changed: <code>bt_navigator.plugin_lib_names</code>: <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node]</code> → <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node]</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+3/−0).</li></ul>",
   "date_published": "2022-02-02T02:25:54Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "9c6fc02f95e8c51212cb7b2af12f12fb81c43b3b",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/9c6fc02f95e8c51212cb7b2af12f12fb81c43b3b",
    "class": "code",
    "changes": [
     {
      "commit": "9c6fc02f95e8c51212cb7b2af12f12fb81c43b3b",
      "short": "9c6fc02",
      "date": "2022-02-01T18:25:54-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/9c6fc02f95e8c51212cb7b2af12f12fb81c43b3b",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/9c6fc02f95e8c51212cb7b2af12f12fb81c43b3b/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "9c6fc02f95e8c51212cb7b2af12f12fb81c43b3b",
      "short": "9c6fc02",
      "date": "2022-02-01T18:25:54-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/9c6fc02f95e8c51212cb7b2af12f12fb81c43b3b",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/9c6fc02f95e8c51212cb7b2af12f12fb81c43b3b/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "9c6fc02f95e8c51212cb7b2af12f12fb81c43b3b",
      "short": "9c6fc02",
      "date": "2022-02-01T18:25:54-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/9c6fc02f95e8c51212cb7b2af12f12fb81c43b3b",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/9c6fc02f95e8c51212cb7b2af12f12fb81c43b3b/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node, nav2_controller_cancel_bt_node]",
      "pct_change": null,
      "ratio": null
     }
    ],
    "post": {
     "status": "skip",
     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "fee433ff76b1fe2997043bec16b81568fbead49e",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/fee433f.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/fee433ff76b1fe2997043bec16b81568fbead49e",
   "title": "3 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>Added 3 parameters: <code>recoveries_server.transform_tolerance</code> = <code>0.1</code>, <code>recoveries_server.transform_tolerance</code> = <code>0.1</code> and <code>recoveries_server.transform_tolerance</code> = <code>0.1</code>.</li><li>Removed 3 parameters: <code>recoveries_server.transform_timeout</code>, <code>recoveries_server.transform_timeout</code> and <code>recoveries_server.transform_timeout</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+3/−3).</li></ul>",
   "date_published": "2021-11-29T18:25:06Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
    "commit": "fee433ff76b1fe2997043bec16b81568fbead49e",
    "commit_url": "https://github.com/ros-navigation/navigation2/commit/fee433ff76b1fe2997043bec16b81568fbead49e",
    "class": "code",
    "changes": [
     {
      "commit": "fee433ff76b1fe2997043bec16b81568fbead49e",
      "short": "fee433f",
      "date": "2021-11-29T10:25:06-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/fee433ff76b1fe2997043bec16b81568fbead49e",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/fee433ff76b1fe2997043bec16b81568fbead49e/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "recoveries_server.transform_timeout",
      "kind": "removed",
      "type": "number",
      "old": "0.1",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "fee433ff76b1fe2997043bec16b81568fbead49e",
      "short": "fee433f",
      "date": "2021-11-29T10:25:06-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/fee433ff76b1fe2997043bec16b81568fbead49e",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/fee433ff76b1fe2997043bec16b81568fbead49e/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "recoveries_server.transform_tolerance",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "0.1",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "fee433ff76b1fe2997043bec16b81568fbead49e",
      "short": "fee433f",
      "date": "2021-11-29T10:25:06-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/fee433ff76b1fe2997043bec16b81568fbead49e",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/fee433ff76b1fe2997043bec16b81568fbead49e/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "recoveries_server.transform_timeout",
      "kind": "removed",
      "type": "number",
      "old": "0.1",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "fee433ff76b1fe2997043bec16b81568fbead49e",
      "short": "fee433f",
      "date": "2021-11-29T10:25:06-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/fee433ff76b1fe2997043bec16b81568fbead49e",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/fee433ff76b1fe2997043bec16b81568fbead49e/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
      "name": "recoveries_server.transform_tolerance",
      "kind": "added",
      "type": "number",
      "old": null,
      "new": "0.1",
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "fee433ff76b1fe2997043bec16b81568fbead49e",
      "short": "fee433f",
      "date": "2021-11-29T10:25:06-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/fee433ff76b1fe2997043bec16b81568fbead49e",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/fee433ff76b1fe2997043bec16b81568fbead49e/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "recoveries_server.transform_timeout",
      "kind": "removed",
      "type": "number",
      "old": "0.1",
      "new": null,
      "pct_change": null,
      "ratio": null
     },
     {
      "commit": "fee433ff76b1fe2997043bec16b81568fbead49e",
      "short": "fee433f",
      "date": "2021-11-29T10:25:06-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/fee433ff76b1fe2997043bec16b81568fbead49e",
      "file": "nav2_bringup/params/nav2_params.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/fee433ff76b1fe2997043bec16b81568fbead49e/nav2_bringup/params/nav2_params.yaml",
      "extractor": "ros2_yaml",
      "name": "recoveries_server.transform_tolerance",
      "kind": "added",
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      "ratio": null
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    "post": {
     "status": "ready",
     "posts": [
      "Nav2 update (Nov 29): new recoveries_server/transform_tolerance = 0.1\n\nDetails: https://fitzyracing1.github.io/knoblog/demo/nav2/entries/fee433f.html\nCommit: https://github.com/ros-navigation/navigation2/commit/fee433ff76b1fe2997043bec16b81568fbead49e\nValues are repo defaults from the params files."
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     "weighted_lengths": [
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    }
   }
  },
  {
   "id": "c15ccbf86d52a19b9ce80b095f39090ffd9f4afc",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/c15ccbf.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/c15ccbf86d52a19b9ce80b095f39090ffd9f4afc",
   "title": "Removed 15 parameters: bt_navigator.enable_groot_monitoring, bt_navigator.pose_groot_publisher_port, bt_navigator.pose_groot_server_port and 12 more.",
   "content_html": "<ul><li>Removed 3 flags: <code>bt_navigator.enable_groot_monitoring</code>, <code>bt_navigator.enable_groot_monitoring</code> and <code>bt_navigator.enable_groot_monitoring</code>.</li><li>Removed 12 parameters: <code>bt_navigator.pose_groot_publisher_port</code>, <code>bt_navigator.pose_groot_server_port</code>, <code>bt_navigator.poses_groot_publisher_port</code>, <code>bt_navigator.poses_groot_server_port</code>, <code>bt_navigator.pose_groot_publisher_port</code>, <code>bt_navigator.pose_groot_server_port</code>, <code>bt_navigator.poses_groot_publisher_port</code>, <code>bt_navigator.poses_groot_server_port</code> and 4 more.</li><li>Most activity in <code>nav2_bringup/</code> (+0/−17).</li></ul>",
   "date_published": "2021-11-20T02:07:41Z",
   "tags": [
    "params"
   ],
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      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/c15ccbf86d52a19b9ce80b095f39090ffd9f4afc",
      "file": "nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/c15ccbf86d52a19b9ce80b095f39090ffd9f4afc/nav2_bringup/params/nav2_multirobot_params_2.yaml",
      "extractor": "ros2_yaml",
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    "post": {
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     "reason": "no meaningful change"
    }
   }
  },
  {
   "id": "7befc4975d3df4e252677a7a2b7c1d6c783fbd20",
   "url": "https://fitzyracing1.github.io/knoblog/demo/nav2/entries/7befc49.html",
   "external_url": "https://github.com/ros-navigation/navigation2/commit/7befc4975d3df4e252677a7a2b7c1d6c783fbd20",
   "title": "Parameter changes: bt_navigator.plugin_lib_names [nav2_compute_path_to_pose_action_bt_no…→[nav2_compute_path_to_pose_action_bt_no….",
   "content_html": "<ul><li>Parameter defaults changed: <code>bt_navigator.plugin_lib_names</code>: <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node]</code> → <code>[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node]</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Added 3 flags: <code>smoother_server.use_sim_time</code> (default on), <code>smoother_server.use_sim_time</code> (default on) and <code>smoother_server.use_sim_time</code> (default on).</li><li>Most activity in <code>nav2_bringup/</code> (+15/−0).</li></ul>",
   "date_published": "2021-11-18T20:23:58Z",
   "tags": [
    "params"
   ],
   "_knoblog": {
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      "commit": "7befc4975d3df4e252677a7a2b7c1d6c783fbd20",
      "short": "7befc49",
      "date": "2021-11-18T12:23:58-08:00",
      "commit_url": "https://github.com/ros-navigation/navigation2/commit/7befc4975d3df4e252677a7a2b7c1d6c783fbd20",
      "file": "nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "file_url": "https://github.com/ros-navigation/navigation2/blob/7befc4975d3df4e252677a7a2b7c1d6c783fbd20/nav2_bringup/params/nav2_multirobot_params_1.yaml",
      "extractor": "ros2_yaml",
      "name": "bt_navigator.plugin_lib_names",
      "kind": "changed",
      "type": "list",
      "old": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node]",
      "new": "[nav2_compute_path_to_pose_action_bt_node, nav2_compute_path_through_poses_action_bt_node, nav2_smooth_path_action_bt_node, nav2_follow_path_action_bt_node, nav2_back_up_action_bt_node, nav2_spin_action_bt_node, nav2_wait_action_bt_node, nav2_clear_costmap_service_bt_node, nav2_is_stuck_condition_bt_node, nav2_goal_reached_condition_bt_node, nav2_goal_updated_condition_bt_node, nav2_initial_pose_received_condition_bt_node, nav2_reinitialize_global_localization_service_bt_node, nav2_rate_controller_bt_node, nav2_distance_controller_bt_node, nav2_speed_controller_bt_node, nav2_truncate_path_action_bt_node, nav2_goal_updater_node_bt_node, nav2_recovery_node_bt_node, nav2_pipeline_sequence_bt_node, nav2_round_robin_node_bt_node, nav2_transform_available_condition_bt_node, nav2_time_expired_condition_bt_node, nav2_distance_traveled_condition_bt_node, nav2_single_trigger_bt_node, nav2_is_battery_low_condition_bt_node, nav2_navigate_through_poses_action_bt_node, nav2_navigate_to_pose_action_bt_node, nav2_remove_passed_goals_action_bt_node, nav2_planner_selector_bt_node, nav2_controller_selector_bt_node, nav2_goal_checker_selector_bt_node]",
      "pct_change": null,
      "ratio": null
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      "Nav2 update (Nov 18): new flag smoother_server/use_sim_time (ON by default)\n\nDetails: https://fitzyracing1.github.io/knoblog/demo/nav2/entries/7befc49.html\nCommit: https://github.com/ros-navigation/navigation2/commit/7befc4975d3df4e252677a7a2b7c1d6c783fbd20\nValues are repo defaults from the params files."
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   "external_url": "https://github.com/ros-navigation/navigation2/commit/9bbc0a9efaf61a86a7d917ab1eb292e0b29ba82c",
   "title": "Parameter changes: amcl.robot_model_type \"differential\"→\"nav2_amcl::DifferentialMotionModel\".",
   "content_html": "<ul><li>Parameter defaults changed: <code>amcl.robot_model_type</code>: <code>&quot;differential&quot;</code> → <code>&quot;nav2_amcl::DifferentialMotionModel&quot;</code> (in <code>nav2_bringup/params/nav2_multirobot_params_1.yaml</code> and <code>nav2_bringup/params/nav2_multirobot_params_2.yaml</code> and <code>nav2_bringup/params/nav2_params.yaml</code>).</li><li>Most activity in <code>nav2_bringup/</code> (+5/−5).</li></ul>",
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   "title": "12 new parameters in nav2_bringup/.",
   "content_html": "<ul><li>Added 12 parameters: <code>bt_navigator.pose_groot_publisher_port</code> = <code>1666</code>, <code>bt_navigator.pose_groot_server_port</code> = <code>1667</code>, <code>bt_navigator.poses_groot_publisher_port</code> = <code>1668</code>, <code>bt_navigator.poses_groot_server_port</code> = <code>1669</code>, <code>bt_navigator.pose_groot_publisher_port</code> = <code>1666</code>, <code>bt_navigator.pose_groot_server_port</code> = <code>1667</code>, <code>bt_navigator.poses_groot_publisher_port</code> = <code>1668</code>, <code>bt_navigator.poses_groot_server_port</code> = <code>1669</code> and 4 more.</li><li>Removed 6 parameters: <code>bt_navigator.groot_zmq_publisher_port</code>, <code>bt_navigator.groot_zmq_server_port</code>, <code>bt_navigator.groot_zmq_publisher_port</code>, <code>bt_navigator.groot_zmq_server_port</code>, <code>bt_navigator.groot_zmq_publisher_port</code> and <code>bt_navigator.groot_zmq_server_port</code>.</li><li>Most activity in <code>nav2_bringup/</code> (+12/−6).</li></ul>",
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      "commit_url": "https://github.com/ros-navigation/navigation2/commit/b3df8cae23fc00b59d326494f92a956837f1818b",
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