Issues

• docs(bug): lat_lon_alt: computeRadiiOfCurvature() uses (1 - e² sin²φ)^(5/2) instead of ^(3/2) for meridian radius

  scope:docsstatus:needs-triage
  PX4/PX4-Autopilot#29071 · Filter by author SunyangLi opened on Oct 11, 2026

• [RFC] Tuning insight: see what the filters and rate controller are doing

  status:needs-triage
  PX4/PX4-Autopilot#29065 · Filter by author isak-aslund opened on Oct 9, 2026
  3

• [Bug] v1.18.0-rc1 SITL freezes/aborts in LockstepScheduler: backport #26032 (fix for #27915) to release/1.18

  status:needs-triage
  PX4/PX4-Autopilot#29060 · Filter by author jpierson-at-riis opened on Oct 9, 2026

• release/1.18: backport candidates from merged main PRs

  status:needs-triage
  PX4/PX4-Autopilot#29049 · Filter by author dakejahl opened on Oct 8, 2026
  1

• Unexpected lateral movement during Position-mode descent with Holybro mosaic-H (two ULogs)

  status:needs-triage
  PX4/PX4-Autopilot#29027 · Filter by author TanDatEmb opened on Oct 8, 2026
  2

• Multicopter legs that change altitude are no longer straight since #27607: intended?

  status:needs-triage
  PX4/PX4-Autopilot#29020 · Filter by author isak-aslund opened on Oct 7, 2026
  1

• [Bug] Airframes 4901_crazyflie21 and 3011_jsbsim_hexarotor_x never set CA_ROTOR_COUNT

  status:needs-triage
  PX4/PX4-Autopilot#29006 · Filter by author Abtektas opened on Oct 6, 2026
  1

• mavlink: PARAM_REQUEST_READ reports MAV_PARAM_ERROR_DOES_NOT_EXIST when TX buffer is full

  status:needs-triage
  PX4/PX4-Autopilot#28974 · Filter by author rikaken2004 opened on Oct 2, 2026
  2

• [Bug] Soft Reboot Unknown 29:50593792

  status:needs-triage
  PX4/PX4-Autopilot#28936 · Filter by author afwilkin opened on Sep 30, 2026
  2

• uORB message comments should describe the message, not the code around it

  kind:rfcscope:docsscope:uorbstatus:needs-triage
  PX4/PX4-Autopilot#28933 · Filter by author dakejahl opened on Sep 30, 2026
  2

• mavlink_log_handler: fread() returning 0 mid-download locks the state machine in SendingData, sending empty LOG_DATA forever

  status:needs-triage
  PX4/PX4-Autopilot#28924 · Filter by author rikaken2004 opened on Sep 30, 2026

• serial_test: RS-485 ioctls cast pointer to int, truncating it on 64-bit targets

  status:needs-triage
  PX4/PX4-Autopilot#28923 · Filter by author rikaken2004 opened on Sep 30, 2026

• [RFC] Rename GPS to GNSS

  kind:rfcstatus:needs-triage
  PX4/PX4-Autopilot#28895 · Filter by author dakejahl opened on Sep 29, 2026
  

• [RFC] Optional EKF2 mode that fuses every GNSS receiver

  kind:rfcscope:estimationstatus:needs-triage
  PX4/PX4-Autopilot#28894 · Filter by author dakejahl opened on Sep 29, 2026
  

• GNSS heading from Trimble MB-Two, Femtomes, SBG, MicroStrain and NMEA HDT is no longer used

  status:needs-triage
  PX4/PX4-Autopilot#28893 · Filter by author dakejahl opened on Sep 28, 2026

• [RFC] Magnetometer bias is corrected twice when EKF2 learns mag_B on the ground

  kind:rfcstatus:needs-triage
  PX4/PX4-Autopilot#28860 · Filter by author dakejahl opened on Sep 26, 2026
  1

  

• [Bug] Wrong landing direction in mission landing

  status:needs-triage
  PX4/PX4-Autopilot#28854 · Filter by author H-Simpson123 opened on Sep 26, 2026
  4

• Due to the failure of the magnetometer and IMU, when the EKF switches, ref_alt will suddenly change, causing the follow_target.alt to become abnormal. The solution is in TargetEstimator.cpp: replace the ref_alt altitude with home_alt.

  status:needs-triage
  PX4/PX4-Autopilot#28849 · Filter by author wenyijing355-cyber opened on Sep 26, 2026

• UART transport support for Zenoh

  status:needs-triage
  PX4/PX4-Autopilot#28839 · Filter by author literally-anything opened on Sep 25, 2026
  3

• [RFC] Scale EKF2 GNSS measurement noise by the error correlation time

  kind:rfcstatus:needs-triage
  PX4/PX4-Autopilot#28837 · Filter by author dakejahl opened on Sep 24, 2026
  1

• [Bug] Bad control allocator output on forward motor (FW)

  status:needs-triage
  PX4/PX4-Autopilot#28829 · Filter by author Andre-hm opened on Sep 24, 2026
  4

• [RFC] Replace GNSS blending with receiver selection and per-receiver checks

  kind:rfcstatus:needs-triage
  PX4/PX4-Autopilot#28813 · Filter by author dakejahl opened on Sep 23, 2026
  8

  

• Support per-port UART RX/TX swap parameters

  status:needs-triage
  PX4/PX4-Autopilot#28734 · Filter by author UnderMind0x41 opened on Sep 17, 2026

• MAVLink FTP: BurstReadFile ignores requested chunk size, always streams 239-byte packets

  status:needs-triage
  PX4/PX4-Autopilot#28727 · Filter by author DonLakeFlyer opened on Sep 16, 2026

• [Bug] rc_input uses the UART when RC_INPUT_PROTO is None

  status:needs-triage
  PX4/PX4-Autopilot#28725 · Filter by author UnderMind0x41 opened on Sep 16, 2026