2014-12-30 23:58 GMT+02:00 Luya Tshimbalanga <luya@fedoraproject.org>:
MATE apps not visible means they needed app-data included on their .desktop files hence the pleas from Richard Hughes.

Perhaps I couldn't get my thoughts in order when I started this thread, but among the things I wrote was that although MATE apps now have AppData files, they are not visible in gnome-software, because of the GNOME_SOFTWARE_COMPATIBLE_PROJECTS environment variable.