Proton 11.0-1 for Steam Deck: What to Check After Updating
A Proton update is better treated as a library compatibility tune-up, not a universal speed button.
Recheck Games That Needed Experimental
Proton 11.0-1 moves part of the compatibility work from the experimental branch into stable. If you had games that only worked through Proton Experimental, try the stable version and see whether the manual override is still needed.
Do not change your whole library at once. Start with problem games: older titles, launcher-heavy projects, EA games, and titles where Steam Overlay used to break.
Check EA Titles Separately
The official changelog mentions fixes for several EA games after an EA Desktop update. That does not guarantee every setup is fixed, but it is a good reason to test games that recently stopped launching or lost overlay support.
If a game now works on stable, remove the forced Experimental setting for that title. Your library becomes easier to maintain.
How to Update Without Extra Risk
Use a short test: launch, menu, save or match load, controller behavior, overlay, and exit. If everything is stable, keep Proton 11.0-1. If new issues appear, return that one game to its previous forced version instead of rolling back everything.
- Do not change all games at once.
- Test problem titles one by one.
- Note where stable improved.
- Rollback per game, not globally.
Sources: Valve Proton changelog, ValveSoftware GitHub.
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