SteamOS is what keeps the Steam Deck and Lenovo Legion Go S as some of the best handheld gaming PCs, despite the former's outdated hardware. Valve's own operating system is also set to power the forthcoming Steam Machine. Though it's a Linux-based OS in its own right, with its own updates, and a big one has just landed…
In SteamOS 3.8.0 Preview, initial support has been added for the Steam Machine. While neither the price or release date of living room box has been confirmed, we do know the living room box comes with a Zen 4 CPU and a semi-custom RDNA 3 GPU. Support for these architectures should be pretty well baked into Valve's OS already, however, as the patch notes also confirm more up-to-date support for AMD/Intel platforms and third-party handhelds.
There's a lot in this update. Two points in the patch note, in particular, stand out as good news for anyone hoping to load SteamOS onto a non-Valve device:
