Vulkan-to-DirectX 12 translation tool used in Valve’s Proton now supports AMD’s FSR4 and Anti-Lag, while Nvidia’s DLSS4 remains unsupported — FSR4 now also works on older GPUs, VKD3D-Proton v3.0 brings other performance improvements

The Vulkan-to-DirectX 12 translation tool used in Valve‘s Proton has reached version 3.0, marking one of the tool’s largest updates yet. The VKD3D-Proton project’s GitHub page highlights a plethora of upgrades for version 3.0, including FSR 4 support, Anti-lag support, and a rewrite to the DXBC shader backend. Linux users can expect future iterations of Proton to come with VKD3D-Proton version 3.0 shortly.

FSR4 integration is one of the big highlights for this update. Specifically, the devs have…