Valve's latest Proton Experimental update significantly enhances gaming on Linux, introducing NVIDIA DLSS 3 support, numerous bug fixes, and other improvements. This update builds upon the Proton 9.0-3 release, further bridging the gap between Windows and Linux gaming experiences.
DLSS 3 and Enhanced Performance
The headline feature is the integration of NVIDIA DLSS 3, allowing Linux gamers with RTX hardware to benefit from improved performance without sacrificing visual quality. Support for NVIDIA Optical Flow also enhances smooth gameplay.
Game Fixes and Improvements
Numerous bug fixes and improvements address issues in various games, including:
- Final Fantasy XVI
- Yakuza 6
- Hunt: Showdown
- Greedfall
- And several others
These fixes cover performance issues, crashes, controller support, mod support (including notably for Doom Eternal), and video playback problems. Improved thread priority management also contributes to smoother overall performance.
DXVK and VKD3D-Proton Integration
The update also incorporates DXVK and VKD3D-Proton for improved compatibility and performance with DirectX titles. DXVK translates DirectX 9, 10, and 11 calls to Vulkan, while VKD3D-Proton handles DirectX 12 translation, benefiting high-end systems. VKD3D-Proton also brings NVIDIA Reflex and OpenVR support for reduced input latency and improved VR gaming.
These updates significantly enhance the Linux gaming experience, particularly for Steam Deck users on SteamOS. The improvements also benefit users of other Linux-based operating systems.
