After looking into the release history for gnome-software, I found that the issue might have re-appeared after re-basing gnome-software from version 3.20.1 to the upstream 3.20.5.
After looking into the release history for gnome-software, I found that the issue might have re-appeared after re-basing gnome-software from version 3.20.1 to the upstream 3.20.5.