Comentário oficial
In the future, please ask each unrelated question in a separate thread so the answers will be useful for people who are searching.
1. This is likely due to your X5 camera. The X5 can have serious trouble responding to autofocus commands depending on what lens it has on it. Use only DJI recommended lenses.
2. Always keep the aircraft in programmed flight mode and allow it to land on its own. The pilot can use the sticks to guide it in but only take over in an emergency. If you switch it out of F mode, make sure you switch it back into F mode before landing or waypoints sync issues will occur.
3. Update to version 2.6.3. This issue has been addressed.
4. You likely pressed the C1/C2 buttons. We can't disable their function. If that happens you can manually drive the gimbal back to where it should be. The gimbal angle can be adjusted at any time after heading off towards the first waypoint.