The Desktop client fails to start for me. It works sometimes when I start it manually but the autostart never works. The Nextcloud process will be running but the window will fail to render and it wonāt actually sync anything. I got error messages saying the gtk-canberra-module was missing.
Iāve reproduced this bug on Fedora, OpenSuse and BlendOS having tried the flatpak on each distro as well as OpenSuseās and Fedoraās native packages.
I think I have the same issue. I can not add multiple users, because of the nextcloud client GUI not rendering and reacting on input keys proberly.
Autostart and syncing does work on my system.
On Fedora Silverblue it looks like this: (I added red arrows where I miss graphics)