When running a GNOME Wayland session via RDP (gnome-remote-desktop via remove login), GNOME Software does not show system-installed Flatpak apps. Apps are useable in Gnome, are present in /var/lib/flatpak, functional via CLI, and AppStream data is updated.
The Flatpak plugin logs:
plugin 'flatpak' failed to list apps: Unsupported query
XDG_SESSION_TYPE is 'wayland', but loginctl shows Type=unspecified. This seems to prevent proper plugin behavior.
Expected behavior: same as local session: list flatpak apps in gnome-software.