Tracker-4.5.6 has been released as the stable/official version. It should appear in the ground stations within a couple of hours of this posting. Alternatively you may directly download the binary (aka “.apj” file) from firmware.ardupilot.org.
Changes vs 4.5.5 are in the release notes and also copied below
- Board specific enhancements and bug fixes
- 3DR Control Zero H7 Rev G support
- CUAV-7-Nano support
- FoxeerF405v2 servo outputs increased from 9 to 11
- Holybro Pixhawk6C hi-power peripheral overcurrent reporting fixed
- iFlight 2RAW H7 support
- MFT-SEMA100 support
- TMotorH743 support BMI270 baro
- ZeroOneX6 support
- Minor enhancements and bug fixes
- Cameras using MAVLink report vendor and model name correctly
- DroneCAN fix to remove occasional NodeID registration error
- GPS NMEA and GSoF driver ground course corrected (now always 0 ~ 360 deg)
- ICP101XX barometer slowed to avoid I2C communication errors
- IMU temp cal param (INSn_ACCSCAL_Z) stored correctly when bootloader is flashed
- IMU gyro/accel duplicate id registration fixed to avoid possible pre-arm failure
- Logging to flash timestamp fix
- OSD displays ESC temp instead of motor temp
- PID controller error calculation bug fix (was using target from prev iteration)
- Relay on MAIN pins fixed
Thanks as always to the developers and beta testers who contributed to this release!
P.S. we hope to begin beta testing of 4.6.0-beta1 in 2 to 3 weeks