Kubuntu 25.10 Drops X11 Session for Wayland-Only Install
Kubuntu 25.10 will not include an X11 desktop session by default, joining the regular version of Ubuntu in focusing on a Wayland-only future. The official Ubuntu flavour, which ships with the KDE Plasma desktop environment and associated technologies, will only provide a Wayland display session on new installs in its next version, which is released