CatOS 2026.08.05 focuses on installation, the boot chain, and desktop configuration management. Compared with 2026.07.19, this release adds Secure Boot support, Catdot Profiles, a new Niri + Noctalia option, and a redesigned online-installation progress pipeline.

CatOS is still growing. Your support and encouragement are the driving force behind its continued development.

CatOS is an open-source, Arch-based, out-of-the-box Linux distribution designed to provide an excellent operating system user experience.