Flight controller ("autopilot") firmware updated to 3.02 today. From the release notes:
Good if you've added a third party gimbal or are carrying extra bits and pieces like GPS trackers, etc.
Major New Feature:
Stability when carrying heavy payloads improved. Maximum descent speed restricted to 2m/s.
Good if you've added a third party gimbal or are carrying extra bits and pieces like GPS trackers, etc.