9to5Linux Weekly Roundup for March 15th, 2026, brings news about EndeavourOS Titan, GIMP 3.2, Debian 13.4, SuperTux 0.7.0, OBS Studio 32.1, Qt Creator 19, NVIDIA 580.142, KDE Plasma 6.5.6, KDE Frameworks 6.24, KeePassXC 2.7.12, Linux App Summit 2026, Calibre 9.5, Sigil 2.7.5, Marknote 1.5, and more.