It would be neat though if font-manager fixed at least the issues listed
at https://appstream.debian.org/sid/main/issues/font-manager.html with
its metadata.
I do actually plan to not have ancient metadata processed anymore at
some point in the future (ancient data is really rare in the archive
no
Ubuntu Software uses appstream data to list available applications, as
opposed to synaptic which is a plain package management GUI (it doesn't
make a distinction between applications and other types of packages).
In Ubuntu 18.04, Font Manager is listed in Ubuntu Software, because the
upstream pro