9to5Linux Weekly Roundup for August 2nd, 2026, brings news about COSMIC 1.5, Ubuntu virtualization HWE stack, Shelly 3.0, Wayfire 0.11, 4MLinux 52.0, Firefox 153.0.1, MocaccinoOS 26.08, Archcraft 26.08, AerynOS 2026.08, Shotcut 26.7, Calibre 9.12, GNOME 50.3, fwupd 2.1.7, and more.