boostAU

You have to make sure Fullscreen is ticked and "use DCS system resolution in mirror" is too. I've had to downgrade back to stable driver as I was having some problems in non VR games but I'm thinking about re-installing it. I noticed if I was getting around 55-65 fps without FMF then enabling it would smooth the experience for me and get rid of some of the stuttering I had here and there. After a heap of testing I found this was the best way to utilise it.

I was able to pump up my resolution per eye in VR to pretty crazy levels with nearly everything maxxed out and had a solid 70-90FPS on Syria and Marianas. Literally 4090 levels of performance. It was wild.