I have the updated X-plane & still have issues with the trim setting. I have set mine up on the joystick, both up & down using 2 buttons one for each. It usually works well but lately had an issue with combining the trim with the autopilot. As I'm sure you know, when changing the trim while in autopilot the autopilot will turn off & requires resetting, along with whatever else is in autopilot, hdg, alt etc.. Still working on it.