Valve and the Proton development community have released Proton 10.0-4 to the stable channel, enabling 19 additional Windows games to run on Linux. This update includes numerous bug fixes and performance improvements for existing titles. The release enhances compatibility for Linux users via Steam Play and SteamOS.
On January 27, 2026, Valve and the Proton development community pushed Proton 10.0-4 into the stable channel, marking a significant update for Linux gamers. Proton serves as a compatibility layer built on a customized version of Wine, along with components like VKD3D, allowing users to play Windows games on Linux without native builds through Steam Play and SteamOS.
This version adds support for 19 games that were previously experimental, now fully playable:
- Surgeon Simulator: Experience Reality
- Changeling VR
- Summoners War: RUSH
- Quantum Threshold
- REACH
- Fellowship
- Metal Slug: Awakening
- Drop Dead: The Cabin
- Zero Caliber 2 Remastered
- Lost Memories 3 Side Stories
- Stellar Reach
- Girls’ Frontline
- Modules
- Distant Worlds 2
- Chronology
- 懒人修仙传2
- Ring Runner: Flight of the Sages
- From Dust
- DCS World Steam Edition
The update addresses bugs in several popular titles, improving playability for Far Cry 5, Age of Empires IV Anniversary Edition, Assassin’s Creed Shadows, and Marvel Rivals. Controller support has been enhanced in Tekken 8, while audio and video issues are fixed in Transcendence and AQUARIUM. Phasmophobia now includes speech recognition, and various other optimizations are included.
Core updates incorporate SteamWorks SDK 1.63, Wine Mono 10.4.1, VKD3D-Proton 3.0b, and VKD3D 1.18. Hardware-specific fixes target graphics drivers and HDR for the OLED Steam Deck. Overall, Proton 10.0-4 reduces troubleshooting needs, making Windows games more accessible on Linux amid rising Windows resource demands.