9to5Linux Weekly Roundup for July 12th, 2026, brings news about KDE Plasma 6.6.6, Proton 11, KDE Frameworks 6.28, Debian 13.6, Cinnamon goes full Wayland, PeaZip 11.2, GStreamer 1.28.5, Wireshark 4.6.7, Ubuntu 25.10 EOL, TUXEDO OS Debian rebase, and PipeWire 1.6.8, COSMIC Frosted Glass, and more.