In your example, LibreCAD does not ship AppStream metadata, so if you want to see it, add some.
** Summary changed: - Without sessioninstaller (org.freedesktop.PackageKit dbus service provider) user is unable to install applications to handle unknown filetypes + librecad missing AppStream data ** Package changed: caja (Ubuntu) => librecad (Ubuntu) ** No longer affects: sessioninstaller (Ubuntu) ** No longer affects: ubuntu-mate-meta (Ubuntu) ** No longer affects: ubuntu-mate ** Changed in: sessioninstaller Status: New => Invalid -- You received this bug notification because you are a member of Edubuntu Bugsquad, which is subscribed to librecad in Ubuntu. https://bugs.launchpad.net/bugs/1938641 Title: Without sessioninstaller (org.freedesktop.PackageKit dbus service provider) user is unable to install applications to handle unknown filetypes To manage notifications about this bug go to: https://bugs.launchpad.net/sessioninstaller/+bug/1938641/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~edubuntu-bugs Post to : edubuntu-bugs@lists.launchpad.net Unsubscribe : https://launchpad.net/~edubuntu-bugs More help : https://help.launchpad.net/ListHelp