Bazzite
Bazzite is an opinionated immutable Fedora-based OS, aiming for great out-of-the-box experience on Handheld/Livingroom PC ("deck" flavor) and general purpose Desktops and Laptops.
While it's understandable to desire the original SteamOS, distros like Bazzite are a better choice for non-Valve hardware.
Improvements over vanilla SteamOS
- newer Kernel and KDE components
- more Wi-Fi NICs and other non-Valve hardware supported
- NVIDIA GPU drivers included in
-nvidiaflavors - a flavor with GNOME Desktop Environment is available
- tools provided to create customized OS images
System requirements
- GPU with Wayland support
- AMD: GCN 1.0 or newer
- Desktop: 2012 Radeon HD 7000 series
- Mobile: 2013 Radeon HD 8000M series (8000D and 8000G not supported)
- Intel: 2015 6th generation Core "Skylake" iGPU
- NVIDIA:
- RTX Series or GTX 16xx Series ("nvidia-open" flavor)
- GTX 750, GTX 9xx and GTX 10xx Series ("nvidia" flavor)
- AMD: GCN 1.0 or newer
- Motherboard with UEFI, or late CSM (e.g. Intel Core 3rd gen)