Not sure if they are just saying that to get the best experience and do not want people tampering. I was able to force DX11 no problem’s get VorpX to work relatively well. It’s not the best experience in VR yet. It has head tracking and looks pretty good.
Go to Game in Steam then in setting and executable command type -d3d11
I imported FS22 profile and linked it to FarmingSimulator25.exe
(using version Beta of VorpX)
loaded game using Quest 3 with link cable and launched game through steam. It gave me a hook error and I selected DX10/11/12 as the attempted hook process. Closed everything and tried again. It loaded up and showed VorpX menus. I then went to VorpX setting and messed around and found FULLVR as best choice and specifically the right controllers index finger button would go from flat to pretty good immersion (albeit alittle zoomed). I went to the IR menu and turned ON for head tracking. Then messed with the zoom features and clarity. For no D3D yet, it looks pretty good and definitely surpasses monitor. NOW I can use steering wheel and not have to keep grabbing mouse to change views while driving:) I am happy with it currently.
I can post a video if anyone is interested.