Well that will automatically get set to false, if the card doesn’t support D3D11_TILED_RESOURCES_TIER_3. Which is from D3D11_FEATURE_D3D11_OPTIONS2 which is only supported on Windows 10 according to Microsoft, so ppl using Win7/8 will automatically have GRHISupportsVTR set to false. However forcing it to false, results in no fluid rendering at all, which is what the Win7/8 users are reporting, so Im guessing that the non VTR path is not working. Or it could just be my branch.