9to5Linux Weekly Roundup for February 22nd, 2026, brings news about Linux 7.0 RC, KDE Plasma 6.6, PipeWire 1.6, Xubuntu 26.04 LTS wallpaper contest, Ubuntu Touch OTA-1.2, Calibre 9.3, Transmission 4.1.1, LibreOffice 25.8.5, Lutris 0.5.20, SparkyLinux 8.2, Blender 5.1 beta, and more.