No that is bluefin, their special distro.

Ublue is like rpmfusion but for image-based. Its the addition to fedora, with packages they can't ship. They replace all the libav* with complete ffmpeg which is pretty great as its a great tool and Firefox works ootb.

For example they have -nvidia images for every image, which is the best way to use the proprietary NVIDIA drivers as you can roll back and a broken update simply wont ship to you.

They also have modded kernel images for Razer, Surface and a special Framework image.

Another cool project basing off their "starting point" toolkit to create custom images, is secureblue, a security-optimized Version including

• hardened kernel and hardened_malloc
• updated Chromium, maybe soon Brave
• soon a hardened Chromium (currently as COPR "vanadium") like GrapheneOS
• hardened services, firewall
• removed unused kernel modules

It is very security focused though, so no Firefox, no Flatpak as its currently broken, Podman (distrobox, toolbox) is currently not working and its unclear if that is actually necessary, ...

Bluefin is their fancy distro with lots of Tools, a custom Desktop, integrated Developer packages and more.