SUMMARY I use kwin_wayland to start sddm according to https://wiki.archlinux.org/title/SDDM, but then the splash of kde will not be shown, if I use x11 to start sddm, the splash will be shown STEPS TO REPRODUCE 1. create `/etc/sddm.conf.d/10-wayland.conf` [General] DisplayServer=wayland GreeterEnvironment=QT_WAYLAND_SHELL_INTEGRATION=layer-shell [Wayland] CompositorCommand=kwin_wayland --no-lockscreen 2. reboot 3. login OBSERVED RESULT splash not shown EXPECTED RESULT splash shown SOFTWARE/OS VERSIONS Linux/KDE Plasma: gentoo (available in About System) KDE Plasma Version: 5.27.4 KDE Frameworks Version: 5.105.0 Qt Version: 5.15.9 ADDITIONAL INFORMATION
> GreeterEnvironment=QT_WAYLAND_SHELL_INTEGRATION=layer-shell This isn't supported upstream yet. I would recommend that you do what your distro does. If this is what your distro does, tell them do something else. :)