It looks like the GTK+ developers are working hard not only on the upcoming GTK+ 3.20 release but also on the stable branch, the one used for the GNOME 3.18 desktop environment. Therefore, they have just announced a few hours ago the GTK+ 3.18.7 point release, which, according to the internal changelog (attached at the end of the article for reference), it fixes a little over 20 issues reported by users or discovered by the project's development team since the previous main...