The Fedora-based Ultramarine Linux distribution has reached version 43, built on Fedora Linux 43. This update introduces support for the Pinebook Pro and various enhancements across its desktop editions. Users can now download it in multiple flavors for x86_64 and AArch64 architectures.
Ultramarine 43, codenamed Gas Meter, arrives as the latest iteration of this Fedora-derived distribution, incorporating updated components from Fedora Linux 43. Released on November 25, 2025, it emphasizes improved hardware compatibility and user options.
Key highlights include the addition of Pinebook Pro support, making it suitable for users of this ARM-based laptop. The release also features refreshed images for Raspberry Pi 4, broadening its appeal for single-board computer enthusiasts. For the Xfce edition, a new Orchis theme enhances the visual experience. The KDE Plasma edition ships with Plasma 6.5, while the GNOME edition uses GNOME 49, ensuring access to the most recent desktop environments.
Ultramarine 43 reintroduces the choice between RPM packages and Flatpaks, giving users flexibility in software installation. It marks the first public preview of Readymade, a straightforward frontend for systemd-repart, positioned as an alternative to the Anaconda installer and advised for full disk installations only. Additionally, the umcli tool now supports the CachyOS kernel as a configuration tweak.
Available editions encompass KDE Plasma, GNOME, Xfce, and Budgie, all compatible with 64-bit x86_64 and AArch64 systems. Downloads are accessible from the official website, with further details in the release announcement.