
The shell D-Bus API was always meant as a private API for core components, so enforce that by limiting caller to a list of allowed well-known names. Applications that want to request a screenshot can use the corresponding desktop portal. https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3943 Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1970>