I've noticed this also, but it appears to be more prominent for me (with Gtk3 apps).
E.g., with gtk3-widget-factory there will be no background. ** Attachment added: "Screenshot" https://bugs.launchpad.net/ubuntu/+source/overlay-scrollbar/+bug/1436120/+attachment/4398528/+files/gtk3-widget-factory_066.png ** Changed in: overlay-scrollbar (Ubuntu) Status: New => Triaged ** Changed in: overlay-scrollbar (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1436120 Title: Faulty transparency in Gtk+ "About" dialog due to overlay scrollbar To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/overlay-scrollbar/+bug/1436120/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
