System Requirements OpenTX 2.3.1 or newer. Changes added support for Betaflight 4.1; added support for FlySky NV 14 (#229); added support for Jumper T12 (#231); added support for FrSky X9D+ 2019 and X10 express (#240); added support for Jumper T16 (#242); changed to hardware selection by screen size, virtual events (#250).