As reported by VideoCardz, Valve's SteamOS 3.7 stable has been released with full Lenovo Legion Go S support, along with other AMD-powered handheld gaming PCs. While solutions like preview drivers ...

Valve officially added support for the Lenovo Legion Go S in its latest SteamOS release. The handheld, which begins shipping this weekend, is the first hardware other than the Steam Deck to ...

Dave2D found that the Legion Go S running SteamOS was much closer to the Steam Deck OLED for battery life, beating out the Windows edition by more than double on low-power games like Hades and ...

steam machines are back SteamOS 3.7 brings Valve’s gaming OS to other handhelds and generic AMD PCs Focus is currently on AMD-based PCs with hardware similar to the Steam Deck.

SteamOS is based on Linux, though it currently isn’t built to run on any regular PC. There are certain functions, like the sleep and wake modes, that are tuned specifically for handheld.

TL;DR: Valve expands SteamOS support with a new SteamOS Compatibility rating for over 18,000 Steam games, ensuring middleware, launchers, and anti-cheat systems work on the Linux-based platform.