madflight v2.4.2

Recalibrate IMU/MAG when Upgrading

This release makes changes to the IMU/MAG modules. After uploading this release to your flight controller it is recommended to re-calibrate with calimu + calmag + save and to check AHRS with pahr

What's Changed

• Plane Example: Update to use PID module
• CFG: Fix saving CRC did not always work
• MAG: Fix alignment (issue introduced with v2.4.0)
• PID: Add Basic + Experimental controllers
• PID: Remove MF0, MF1, MF2 controllers
• PID Experimental: Add hybrid yaw rate/angle controller
• PID Experimental: Add altitude hold controller (work-in-progress)

Full Changelog: v2.4.1...v2.4.2