I've resolved it. It appears to a bug that is particular to Adwaita and all themes derived from it, and I've already contacted some of the theme developers.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/791787 Title: gnome-appearance-properties not installing themes correctly -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
