I no longer see transparent titlebars, either I completely forgot where to look or it was long ago fixed. I'm closing this.
** Changed in: light-themes (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1343175 Title: Gtk3 secondary window appears with transparent titlebar To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/light-themes/+bug/1343175/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs