Complicated to explain, but I’m gonna try !
First, regarding the Bush trip, it doesn’t remember the finished legs, so it’s impossible when you exit the simulation to go back where you arrived.
Regarding the XCub, after some time in flight it stops to respond to my CH Pro flight yoke and pedals, then it comes back after a while, then stops again and so on !!!
Its OK when you fly straight ahead and level, but else you quickly crash 
More precisions : Win 11
Rev 1.20.6.0
Now I hope you can give me a precise answer Mr. Tech Alpha Insider (?)