In case any gliding enthusiasts haven’t noticed, there is an NMEA interface program at
https://flightsim.to/file/1574/fs2020-to-nmea?fbclid=IwAR1M70LQj6zLhisH1HcOzI2h2b2iCowqZ9YfntMEBxvlJVXtT-kcH0b9ZXo
which means XCSoar works 
And Peter Luerkin’s WinchX! works for MSFS!
Cheers
Keith