SteamOS 3.8.15 brings a performance fix and SteamOS 3.8.23 Beta is out too

· GamingOnLinux Latest Articles · July 16, 2026, 6:41 a.m.
Misc steam valve steamos steamos Valves Performance Fixes Steam Deck
Summary
Valve has released two new versions of SteamOS Linux: SteamOS 3.8.15 with performance fixes and SteamOS 3.8.23 Beta. The update details are relevant for Steam Deck and Steam Machine users, but additional commentary is provided on GamingOnLinux.
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