Valve has released SteamOS 3.8.26 Beta, focusing on fixing performance issues and expanding support for third-party handheld devices. This update resolves a critical bug affecting frame rates with FSR enabled, along with other fixes for Firefox freezes and Bluetooth stability for the Nintendo Switch Pro Controller. It also addresses hardware-specific problems for devices like the MSI Claw A1M and Lenovo Legion Go, indicating Valve's intention to establish SteamOS as a universal handheld operating system. Users on the Beta and Preview channels can access the update through the system settings, with a wider rollout to the Stable channel expected in a few weeks

SteamOS 3.8.26 Beta Released: FSR Fixes and Broader Handheld Support

Valve has released SteamOS 3.8.26 Beta for users on the Beta and Preview channels, targeting performance regressions and expanding compatibility for third-party handhelds. The update resolves a critical composition bug that tanked frame rates when FSR was enabled, alongside fixes for Firefox fullscreen freezes and unstable Bluetooth connections with the Nintendo Switch Pro Controller. Developers also patched hardware-specific quirks on the MSI Claw A1M and Lenovo Legion Go, including WiFi regressions and battery display errors, signaling a push to treat SteamOS as a universal handheld operating system. You can opt into the new build immediately through Settings > System > System Update Channel, though the patches will take a few more weeks before rolling out to the Stable channel.

SteamOS 3.8.26 Beta Released: FSR Fixes and Broader Handheld Support @ Linux Compatible