- Steam App
- Borderless Gaming (388080)
- Event type
- patch note
- Published
- 9 February 2026 - 10:51:32 UTC
- Source
- steam_community_announcements
BGProxy FixesBackground Behavior All games now continue rendering and playing audio when alt-tabbed. Keyboard and mouse input is blocked while the game is in the background, so you can type in other apps without affecting the game. Gamepad input still passes through. Tabbing back into a game no longer leaves keys in a pressed state. Stability Fixed crashes on startup for Yakuza 0, Metro 2033, Fallout: New Vegas, and others.Rendering Fixed the "wavy" / shimmering motion artifact at native resolution in Dishonored. Anti-aliasing and color accuracy are now preserved in games that use MSAA or sRGB when using flip model presentation. Major performance improvement for OpenGL games (KOTOR, StarStable Online, etc.) — rendering no longer goes through the CPU.Improved Proxy Detection for Unity & Custom EnginesPreviously, the installer only checked for graphics DLLs through static PE import analysi...