Source: shotwell Version: 0.32.1-1 The Ubuntu package has this change:
Depend on xdg-desktop-portal-gnome | xdg-desktop-portal-backend for "Set as Desktop Background" xdg-desktop-portal-backend is a virtual package provided by xdg-desktop-portal-gnome, xdg-desktop-portal-gtk, xdg-desktop-portal-kde, and xdg-desktop-portal-wlr Thank you, Jeremy Bícha
