Arriving two weeks after Plasma 5.18.2, the Plasma 5.18.3 maintenance release is here to further improve the Flatpak experience for users in the Plasma Discover package manager. About 10 bugs related to Flatpak support were fixed in this update. KDE Plasma 5.18.3 fixes about 70 issues, including a common crash the occurred when adding or removing widgets, as well as an issue that wouldn’t allow running GTK3 apps to immediately show any changes to titlebar button order.