Valve confirms FSR 4 for Steam Machine as AMD releases FSR 4.1 for RDNA 3 GPUs
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Looking ahead: Valve has confirmed that its Steam Machine will support AMD's FSR 4 upscaling technology. In an interview with Digital Foundry, SteamOS developer Pierre-Loup Griffais said there is no official release timeline yet, but hinted that it could roll out "on the same schedule (as the Windows release)."
Screenshots posted on X by YouTuber and XR analyst Brad Lynch appear to show that Valve is already testing support for FSR 4.1 upscaling in the Proton Experimental build for SteamOS. According to a SteamDB entry dated June 22, AMD has added FSR 4.1.1 INT8 DLL files to Steam, suggesting the company is working with Valve to bring its latest upscaling technology to SteamOS devices.
– Brad Lynch (@SadlyItsBradley) June 22, 2026
Valve has since deleted the manifest from the Proton Experimental depot, suggesting...
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