"in nmea gps mode i have up to 2km errordetail in issue 740please accept this path
http://code.google.com/p/ardupilot-mega/issues/detail?id=740"

"APM1. Camera gimbal is not working. The Pitch and Roll axes not correctly work."

"HelloI have a problem in the APM1. In firmware 2.7 reversed the tilt axis of gimbal. On the 5th exit (Pitch) Servo reacts to the deviation of the axis Roll. And on channel 6 (Roll) Servo reacts to the deviation Pitch. In firmware 2.6 all fine. In…"