There's nothing about D-Bus in general that is problematic, but rather that flatpak relies on the D-Bus session bus and systemd --user instances[0]. It can be m

There's nothing about D-Bus in general that is problematic, but rather that flatpak relies on the D-Bus session bus and systemd --user instances[0]. It can be made to work just fine on a server, but it may not be the most convenient arrangement due to this dependency on user sessions. [0] https://flatpak.org/faq/#Can_Flatpak_be_used_on_servers_too_ https://flatpak.org/faq/#Can_Flatpak_be_used_on_servers_too_