Bluefin LTS

Achillobator giganticus

Larger, more lethal Bluefin. Built on CentOS Stream 10 for longer support windows, conservative upgrades, and production-focused workstations.

Latest Release

Images

Full catalog at docs.projectbluefin.io/images →

Bluefin LTS

Long-term support Bluefin stream built on CentOS Stream 10.

# LTS — recommended
sudo bootc switch ghcr.io/projectbluefin/bluefin-lts:stable --enforce-container-sigpolicy
# LTS — NVIDIA
sudo bootc switch ghcr.io/projectbluefin/bluefin-lts-nvidia:stable --enforce-container-sigpolicy

Migrating from ublue-os/bluefin-lts

Users on the previous ghcr.io/ublue-os/bluefin*:lts images will be migrated automatically via a systemd service. No action required — your machine will switch on its next reboot after pulling the update.

Old image (ublue-os)	New image (projectbluefin)
bluefin:lts	bluefin-lts:stable
bluefin:lts-hwe (legacy tag)	bluefin-lts:stable
bluefin-dx:lts	bluefin-lts:stable + run ujust devmode after reboot
bluefin-dx:lts-hwe (legacy tag)	bluefin-lts:stable + run ujust devmode after reboot
bluefin-gdx:lts	bluefin-lts-nvidia:stable + run ujust devmode after reboot
arm64 variants	No automatic migration — reinstall from new image

To migrate manually before the automatic migration ships:

sudo bootc switch ghcr.io/projectbluefin/bluefin-lts:stable --enforce-container-sigpolicy

Getting Started

Visit projectbluefin.io to download Bluefin LTS, or check the LTS Documentation for installation and upgrade instructions.

Rebasing between the Bluefin (Fedora) and Bluefin LTS (CentOS) image families is not supported. Plan migrations as fresh installs or supported upgrade paths.

Community

• 📰 Blog — announcements and release posts
• 💬 Discussions — community forum
• 📋 Project Board — what we're working on
• 📖 Documentation — user guides and reference

Contributing

See the Contributing Guide for how to get involved. All participants are expected to follow the Universal Blue Community Guidelines.

Report security vulnerabilities via SECURITY.md.

License

Apache License 2.0 — see LICENSE.

Bluefin LTS incorporates CentOS Stream, GNOME, Universal Blue, and various CNCF projects, each under their respective licenses.