9to5Linux Weekly Roundup for June 28th, 2026, brings news about Steam Machine, Librem 16, KDE Plasma 6.7.1, GNU nano 9.1, COSMIC 1.1, KaOS Linux 2026.06, DXVK 3.0, Calibre 9.10, NVIDIA 580.173.02, Ubuntu 26.10 Snapshot 2, Shotcut 26.6, Linux 7.0 EOL, Shelly 2.4.1, Archinstall 4.4, CachyOS June ISO, and more.