Steam Deck + SteamOS preview
Recent hands‑on coverage still praises the Steam Deck’s battery life, comfort and core handheld experience, and the SteamOS 3.8.0 preview just landed with initial Steam Machine support and updated graphics drivers for Deck owners ( ). The preview also teases new power and Bluetooth tricks — useful if you’re juggling PC, Deck and any Steam Machine testbeds. ( ).
Valve published the SteamOS 3.8.0 Preview build — codenamed “Second Clutch” — on the Steam Deck Preview channel and warns users the build is experimental and opt‑in via Settings > System > System Update Channel. (steamcommunity.com)) The preview explicitly adds “initial support” for upcoming Steam Machine hardware, refreshes the Arch Linux base, and ships an updated graphics driver claimed to include performance and stability fixes. (steamcommunity.com)) Desktop mode moves to KDE Plasma 6.4.3 with Wayland as the default, and the release adds per‑display scale factors, external HDR support and VRR display handling aimed at improving TV and monitor use. (steamcommunity.com)) Power management changes include preliminary hibernation and a “Memory Power Down” option targeted at the original LCD Steam Deck, plus a re‑enabled Bluetooth Wake feature for the LCD model to allow waking from a BT remote while docked. (rockpapershotgun.com)) Developer and platform features added in the preview include virtio guest drivers for running SteamOS as a virtual machine, support for third‑party devices to set an EFI variable to trigger the boot menu, and a new custom‑update verb for atomupd‑manager to assist testing specific builds. (steamcommunity.com)) Valve notes several deployment caveats: users attempting to opt into Preview may be bounced back to Beta unless they enable “Advanced Update Channels” in developer settings, and the update includes LCD‑specific firmware fixes such as splash‑screen progress for controller firmware updates and stability patches for particular Steam Deck revisions. (steamcommunity.com))
