#Linux Weekly Roundup for June 21st, 2026: #KDE Plasma 6.7, #postmarketOS 26.06, #Firefox 152, #SparkyLinux 2026.06, #Darktable 5.6, #VirtualBox 7.2.10, #GNU Linux-libre 7.1, Qt Creator 20, Giada 1.5, #Thunderbird 152, #PorteuX 2.7, #NVIDIA 595.84, #PipeWire 1.6.7, #RaspberryPi Imager 2.0.10, Shelly 2.4, Agama 22, new Raspberry Pi OS release, #Ubuntu Touch OTA 2.0 beta, and more https://9to5linux.com/9to5linux-weekly-roundup-june-21st-2026 #OpenSource #FOSS