Steam updated me to XP11.10 the other day. I opened it up and found the plane was yawing very sharply left. I looked and saw that one throttle was at 100%, the other was at 50%
The throttle does not move by any means. It does not respond from inputs from F1/F2, nor from the mouse. This is an issue that doesn't affect many, but is severely game breaking.
The bug only affects throttle 1 in multi-engined aircraft, throttle 2 responds as normal. In single engined the throttle is stuck at 50 again.
I have a saitek quadrant, and it works fine, I've tested it in XP10.