Latest maintainer comment ·
kisak-valve · 2026-10-25 ·
#2309Hello @FATelarico, it's hard to tell, but this reads like https://github.com/ValveSoftware/steam-runtime/issues/470. I'd check if Steam Linux Runtime 3.0 (used with Proton 10) and Steam Linux Runtime 4.0 (used with Proton 11) are on the same Steam library folder. If they aren't that could explain the difference in behavior. Regardless, if you're pulling in an unexpected folder, then `STEAM_COMPAT_...