Proton Experimental Fixes Assassin's Creed Shadows, Age of Empires & More! (October 2025 Update) (2025)

Attention all Linux and Steam Deck gamers: Your favorite Windows games just got a major upgrade! Proton Experimental has rolled out a fresh batch of fixes, ensuring smoother gameplay for titles like Assassin's Creed Shadows and Age of Empires: Definitive Edition. But here's where it gets exciting: these updates aren't just about bug fixes—they're about transforming your gaming experience on Linux. Released on October 17th, this update addresses a wide range of issues, from server connectivity in Men of War II to resolution crashes in Ultimate Marvel vs Capcom 3. And this is the part most people miss: Proton 10, currently in testing, promises even better compatibility for Windows games on Linux and Steam Deck. If you've got it installed, the update will appear in your Steam Downloads, or you can manually apply it from your Steam Library. Curious about the different Proton versions? Check out the GamingOnLinux Guide for a deep dive into Proton 8, Proton 9, and more. But here's the controversial part: While these fixes are a huge step forward, some gamers argue that Proton still has a long way to go to match native Windows performance. What do you think? Is Proton closing the gap, or are there still too many hurdles for Linux gaming? Let’s debate in the comments! Here’s a breakdown of the key fixes from the changelog:

  • Server/lobby listing in *Men of War II*: Multiplayer sessions are now seamless.
  • Atelier Resleriana [JP]: Works flawlessly on previously problematic setups.
  • Ultimate Marvel vs Capcom 3: No more crashes on high-resolution monitors.
  • For Honor: The in-game store is fully functional on desktops.
  • Cladun X3: Exits without hanging.
  • Rec Room: Playable again after recent updates.
  • Mohrta: In-game screenshot feature is fixed.
  • Assassin's Creed Shadows: Back in action after recent game updates.
  • Age of Empires: Definitive Edition: Cursor desync issues resolved on Steam Decks.
  • Drag-and-drop functionality: Works correctly in Unity-based games like Timberborn and Master of Command Demo.
  • Proton 10 regressions addressed:
    • GodsArena Online: Touch/mouse input is now accurate.
    • Lost Planet: Extreme Condition: Fully playable once more.
    • Dune: Awakening: No more GPU driver warnings.

Source: Valve GitHub

Article courtesy of GamingOnLinux.com.

Proton Experimental Fixes Assassin's Creed Shadows, Age of Empires & More! (October 2025 Update) (2025)

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