gettext needs libappstream-glib-devel to extract correctly AppData files
As reported here, GNOME apps don't have release notes translated because Damned Lies is missing the file
/usr/share/gettext/its/appdata.its provided by the package
libappstream-glib-devel (in Fedora).
Please add it so we can see translated strings in applications which can use them, as GNOME Software.