notebookcheck.net Ubuntu-based Quarkos 26.04 now available with KDE Plasma 6.6 and more Based on Ubuntu 26.04 "Resolute Raccoon" and featuring KDE Plasma 6.6 by default, QuarkOS 26.04 will also drop with the Trinity 14.1.6 desktop environment soon. … May 22, 2026 · Codrut Nistor