GNOME OS Preview is a new, less-bleeding-edge edition of GNOME OS built from the latest stable GNOME release (GNOME 51.1) that sits between the developer-focused Nightly and a future fully supported Stable edition. It packages the same OS used by GNOME developers but without daily git commits, aiming at early adopters who want a reliable daily driver without running a nightly build. It’s hosted alongside the org.gnome.Platform Flatpak runtime branches, available from os.gnome.org, and Nightly remains an option. The project explicitly warns Preview is not a permanent, perpetually-updated channel and that a guaranteed long-term upgrade path to a future Stable release is still being worked out; users comfortable reinstalling in a few years are the intended audience.
The launch follows a year of infrastructure and feature work to make GNOME OS usable on real hardware: zswap enablement and a dynamic on-disk swap growth hack to avoid OOM stalls, a Test Center app for installing CI builds (including system component extensions), and Toolpak for distributing CLI tools cross-distro. Ongoing efforts include systemd-homed enablement for per-user encryption, kernel filesystem experiments, session keyring integration, a feature-complete installer, delta updates via systemd-sysupdate, better TPM UX, improved ARM support, shipping preinstalled apps as Flatpaks, and an STF project to broaden Flatpak/Portal support. Preview has seen limited testing so far but is expected to be far more stable than Nightly for daily use.
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