Valve released Proton 11.0-1, marking a significant upgrade for Linux gaming as the compatibility layer now runs on Wine 11.0 rather than the previous 10.x series. This stable build brings dozens of game compatibility fixes, restores playability for popular titles like HELLDIVERS 2 and Assassin's Creed Shadows, and resolves longstanding issues with the EA ecosystem. The update also introduces ARM64EC support for future hardware, bumps Xalia to version 0.4.9 for better launcher integration, and moves 13 games from Experimental to the stable branch. You can enable the new release immediately through Steam's Compatibility settings or via the direct Steam install link.
Valve Releases Proton 11.0-1, A Major Compatibility Update on Wine 11.0
Stable release includes game compatibility fixes, EA ecosystem patches, and a shift to Wine 11.0.
Valve has finally dropped Proton 11.0-1, the stable release that's been brewing since April. It landed July 7 at 20:55 UTC, courtesy of Arkadiusz "ivyl" Hiler. If you're running Linux or a Steam Deck, this is the update that shifts the goalposts.
The foundation here is Wine 11.0. That's a big step up from the Wine 10.x stack Proton 10 relied on. Wine 11 brings API improvements, better graphics handling, and audio tweaks under the hood. It's not just a version bump; it's a structural shift that Valve spent months ironing out through the beta cycle.
Under the hood, the stack is tight. You're looking at DXVK v2.7.1-467, vkd3d-proton from April 2026, and vkd3d-1.19. Valve also bumped Xalia to 0.4.9, which is the controller abstraction layer that's been doing a lot of heavy lifting for launcher support. And for those on ARM hardware, FEX-2605 is in the mix for ARM64EC builds, signaling that the team is keeping an eye on future architectures.
The Wine 11.0 Jump
The list of newly playable games is where the rubber meets the road. Thirteen titles moved out of Experimental, and five new games just became playable. You'll want to check Gothic 1 Classic, X-Plane 12, Breath of Fire IV, and Deadly Premonition if those have been gathering dust.
The rest of the experimental dump includes DCS World Steam Edition, the original Resident Evil and Resident Evil 2, Dino Crisis 1 and 2, METAL GEAR SURVIVE, and Warhammer: Vermintide 2. Universe Generator: The Golden Sword, From Dust, and SHOGUN: Total War also made the cut.
The beta cycle kicked off back on April 16. By May, Valve was pushing ARM64-only updates and regression fixes. In the months since the initial beta, the community has been hammering these builds. The long wait until July suggests the team wanted to be sure the ARM64EC support and the Xalia expansions were rock-solid before hitting stable. Compatibility layers this complex don't just ship when the calendar turns; they ship when the crash logs stop screaming.
Fixes and Regressions
A lot of fixes here are quiet, but some are loud. Video playback in She Sees Red, Crimson Desert, and Satisfactory got sorted out. If you've been wrestling with intro videos in Blazblue or the gallery in The King of Fighters XIII, those should cooperate now.
One of the most requested fixes? EA games finally behaving. The EA Desktop update broke a lot of stuff in the ecosystem. Proton 11.0-1 addresses lockups in the EA App, brings back the Steam Overlay for many EA titles, and even added support for SteamWorks SDK 1.64.
The EA fixes alone are worth the update. HELLDIVERS 2, Assassin's Creed Shadows, Deathloop, and BattleBit Remastered are listed as playable again after recent breakages. Killer Inn got a multi-pronged attack, fixing crashes, /tmp size issues, and Square Enix account connections.
Next, the controller input changes. The 8BitDo Ultimate 2C hotplug issue is gone, which is good news for that particular device. DualSense touchpads are stop registering spurious clicks over Bluetooth, and VR controller tracking in Microsoft Flight Simulator is fixed. Mouse behavior in Call of Duty 2 is corrected, and horizontal scroll is no longer mistaken for back/forward buttons.
Xalia 0.4.9 is doing a lot of the heavy lifting for these compatibility jumps. It added controller support for launchers of a ton of games, including Red Faction Armageddon, Final Fantasy X/X-2 HD Remaster, Sonic the Hedgehog 4, and the Resident Evil series. It's fixing lockups in the EA App and helping BioShock installers recognize gamepads. That kind of granular support is what makes a "plug-and-play" claim actually hold water.
It's a significant jump for a compatibility layer. The Wine 11.0 base brings new features, though it also raises the risk of regressions. Valve's months-long beta cycle should have caught the worst of it, but you'll want to verify your favorite titles if you're running a fresh install. The inclusion of FEX-2605 for ARM64EC also suggests Valve is preparing for hardware that might diverge from standard x86 stacks.
Installation
You can grab this immediately. Head to Steam Settings, Compatibility, and select Proton 11.0-1 from the dropdown. Or if you prefer the command line, steam://install/2951380 will do the job.
The release commit is d2bedfad453584d05308f5e3e1f9657e3f0f71d3 in the ValveSoftware/Proton repo. For the full changelog, head here to the GitHub releases page.
