SteamOS 3.8.27 Beta and SteamOS 3.9.1 Preview released – Valve continue working on NVIDIA support

Valve released two new testing builds with SteamOS 3.8.27 Beta and the much bigger SteamOS 3.9.1 Preview. Read the full article here: https://www.gamingonlinux.com/2026/09/steamos-3-8-27-beta-and-steamos-3-9-1-preview-released-valve-continue-working-on-nvidia-support/

Read the full story at Steam Blog →