Unable to switch to VR mode with CTRL-TAB using PIMAX Crystal and driver listed in subject line. Works ok with STEAM but NOT OpenXR. PIMAX Crystal black screens and MSFS hangs and requires task manager kill. PIMAX Crystal tech support reports issue between current AMD graphics card driver, OPEN XR and PIMAX. PIMAX recommends rollback to previous AMD driver until PIMAX R$D fixes issue with remedy to be released end of MAR 2024. I have requested AMD driver version for rollback from PIMAX and will report back if others report same issue. PIMAX tech reports issue between AMD driver making call to OPEN XR using PIMAX Crystal.