startplasma-wayland and it works fine. It's just sddm it seems.Dec 11 17:49:07 bazzite sddm-helper-start-wayland[1397]: "Accepting client connections on sockets: QList(\"wayland-0\")\nkwin_core: Failed to open drm node: \"/dev/dri/card0\"\nkwin_wayland_drm: No suitable DRM devices have been found\n" as my best guess of what looks suspicious.