PX4 controller-parameter changelog (demo)

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X-ready text for 16 of 80 commits: ≤280 weighted characters per post (links count as 23), threads split automatically, and every number checked against the diff. Nothing is posted. Also available as posts.json and posts.txt.

Jul 3, 2026 · 495803a

PX4 update (Jul 3): new MPC_Z_ERR_MAX = 1.0 Details: https://fitzyracing1.github.io/knoblog/demo/px4/entries/495803a.html Commit: https://github.com/PX4/PX4-Autopilot/commit/495803a1dbbabdf414dd53ac6c58694d159d782f Values are PX4 firmware defaults in the repo.

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Jun 26, 2026 · 2a0e048

PX4 update (Jun 26): new MC_REF_FF_MAX = 100.0 - new MC_REF_W_N = 50.0 - new MC_REF_FF gain added at 0 (no effect yet) Details: https://fitzyracing1.github.io/knoblog/demo/px4/entries/2a0e048.html Commit: https://github.com/PX4/PX4-Autopilot/commit/2a0e0481713ca44802d74e9d3ba4a92f384d138f Values are PX4 firmware defaults in the repo.

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Apr 28, 2026 · d84f6c3

PX4 update (Apr 28): FW_T_HRATE_FF gain 0.3 → 0.5 (67% higher) Details: https://fitzyracing1.github.io/knoblog/demo/px4/entries/d84f6c3.html Commit: https://github.com/PX4/PX4-Autopilot/commit/d84f6c324aec68ad3468a708036fc4cad7f298a5 Values are PX4 firmware defaults in the repo.

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Oct 23, 2025 · 1c821cf

PX4 update (Oct 23): MPC_LAND_RADIUS 1000.f → -1.0f (sign flipped) Details: https://fitzyracing1.github.io/knoblog/demo/px4/entries/1c821cf.html Commit: https://github.com/PX4/PX4-Autopilot/commit/1c821cf83dcd688a185f00205700212af191e8b5 Values are PX4 firmware defaults in the repo.

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Oct 2, 2025 · 614e15d

PX4 update (Oct 2): FW_AT_SYSID_TYPE 0 → 1 - FW_AT_SYSID_F1 20.f → 10.f (2x lower) Details: https://fitzyracing1.github.io/knoblog/demo/px4/entries/614e15d.html Commit: https://github.com/PX4/PX4-Autopilot/commit/614e15d5f40af1d835096fcf7643570b6ec5bee5 Values are PX4 firmware defaults in the repo.

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Jul 25, 2025 · 3be0cb0

PX4 update (Jul 25): new MC_NN_MAX_RPM = 22000 - new MC_NN_EN = 1 - new MC_NN_MANL_CTRL = 1 - new MC_NN_MIN_RPM = 1000 Details: https://fitzyracing1.github.io/knoblog/demo/px4/entries/3be0cb0.html Commit: https://github.com/PX4/PX4-Autopilot/commit/3be0cb077c3a97d6fe452c640b33f54562c3e4ec Values are PX4 firmware defaults in the repo.

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Jun 5, 2025 · c7ef125

PX4 update (Jun 5): MC_PITCH_P gain 6.5f → 4.0f (38% lower) - MC_ROLL_P gain 6.5f → 4.0f (38% lower) Details: https://fitzyracing1.github.io/knoblog/demo/px4/entries/c7ef125.html Commit: https://github.com/PX4/PX4-Autopilot/commit/c7ef12545cde8226d57f2462cc4a3ba93424b650 Values are PX4 firmware defaults in the repo.

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May 26, 2025 · 779a55c

PX4 update (May 26): NPFG_GSP_MAX_TK removed (was 5.0f) Details: https://fitzyracing1.github.io/knoblog/demo/px4/entries/779a55c.html Commit: https://github.com/PX4/PX4-Autopilot/commit/779a55c6dc272cd11ad3df3f8bd20425ecef30f8 Values are PX4 firmware defaults in the repo.

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May 21, 2025 · 30df381

PX4 update (May 21): MPC_YAWRAUTO_MAX 45.f → 60.f (33% higher) - MPC_YAWRAUTO_ACC 60.f → 20.f (3x lower) Details: https://fitzyracing1.github.io/knoblog/demo/px4/entries/30df381.html Commit: https://github.com/PX4/PX4-Autopilot/commit/30df381f0ee22c474fea760349459789bbab9577 Values are PX4 firmware defaults in the repo.

218/280

Jul 29, 2024 · 9257744

PX4 update (Jul 29): FW_T_SPD_STD 0.2f → 0.07f (2.9x lower) Details: https://fitzyracing1.github.io/knoblog/demo/px4/entries/9257744.html Commit: https://github.com/PX4/PX4-Autopilot/commit/9257744da36945725910439f6a99bc4cad4d8296 Values are PX4 firmware defaults in the repo.

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Jan 12, 2024 · a38abdb

PX4 update (Jan 12): FW_T_I_GAIN_THR gain removed (was 0.05f) - new FW_T_THR_DAMPING = 0.05f - new FW_T_THR_INTEG = 0.02f Details: https://fitzyracing1.github.io/knoblog/demo/px4/entries/a38abdb.html Commit: https://github.com/PX4/PX4-Autopilot/commit/a38abdbf9d5590a8572651ab1d0baecccd2cb7bb Values are PX4 firmware defaults in the repo.

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Nov 30, 2023 · d1e8bdb

PX4 update (Nov 30): MPC_YAWAAUTO_MAX removed (was 60.f) - new MPC_YAWRAUTO_ACC = 60.f Details: https://fitzyracing1.github.io/knoblog/demo/px4/entries/d1e8bdb.html Commit: https://github.com/PX4/PX4-Autopilot/commit/d1e8bdbd1646ab2beb9ee569bd5921346109454c Values are PX4 firmware defaults in the repo.

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Nov 30, 2023 · 4b920a6

PX4 update (Nov 30): new MPC_YAWAAUTO_MAX = 60.f Details: https://fitzyracing1.github.io/knoblog/demo/px4/entries/4b920a6.html Commit: https://github.com/PX4/PX4-Autopilot/commit/4b920a662855bdb22d4101947425285050f8a305 Values are PX4 firmware defaults in the repo.

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Nov 21, 2023 · dd2322d

PX4 update (Nov 21): FW_T_CLMB_MAX removed (was 5.0f) - FW_T_SINK_MIN removed (was 2.0f) - FW_AIRSPD_MAX removed (was 20.0f) - FW_AIRSPD_MIN removed (was 10.0f) Details: https://fitzyracing1.github.io/knoblog/demo/px4/entries/dd2322d.html Commit: https://github.com/PX4/PX4-Autopilot/commit/dd2322d62200afcbf7732f50ecb2209051f9ba1d Values are PX4 firmware defaults in the repo.

272/280

Nov 7, 2023 · 4dda99c

PX4 update (Nov 7): MPC_ALT_MODE 0 → 2 Details: https://fitzyracing1.github.io/knoblog/demo/px4/entries/4dda99c.html Commit: https://github.com/PX4/PX4-Autopilot/commit/4dda99c80b8a7cf40445c9f95dcca357434f796b Values are PX4 firmware defaults in the repo.

151/280

Sep 20, 2023 · be56f74

PX4 update (Sep 20): MC_ACRO_P_MAX 720.0f → 100.f (7.2x lower) - MC_ACRO_R_MAX 720.0f → 100.f (7.2x lower) - MC_ACRO_Y_MAX 540.0f → 100.f (5.4x lower) - MC_ACRO_EXPO 0.69f → 0.f

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+3 more on the details page. Details: https://fitzyracing1.github.io/knoblog/demo/px4/entries/be56f74.html Commit: https://github.com/PX4/PX4-Autopilot/commit/be56f74c1d0a03809fa370804f6dc114a4e4223b Values are PX4 firmware defaults in the repo.

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