Categories: GNOME;GTK; in your .desktop file
Just reported some 30 bugs in GNOME Bugzilla
for various products to update their .desktop file to have GNOME;GTK; in the Categories line. According to the standard
, if GNOME is in the categories, so should be GTK. Most of the products did have GNOME but not GTK. Some others missed both of them.
Please check .desktop files for your modules if you did not get a bug reported, and make sure it does have a Categories: line that starts with GNOME;GTK;.