Updated GNOME bug (314906 was marked as duplicate): http://bugzilla.gnome.org/show_bug.cgi?id=164061
Seems that it's processor-dependant. ** Changed in: gimp (Ubuntu) Status: Needs Info => Confirmed -- "Lighten Only" blend mode VERY broken https://launchpad.net/malone/bugs/21441 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs