+1 on Matthias' instructions on installing the patches (https://bugs.launchpad.net/ubuntu/+source/appstream/+bug/1579712/comments/24)... this fixed the issue for me.
+1 on Matthias' instructions on installing the patches (https:/ /bugs.launchpad .net/ubuntu/ +source/ appstream/ +bug/1579712/ comments/ 24)... this fixed the issue for me.