It seems to be an important bug. I reproduced this few days ago then, with updates, it went fine and now is gone.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/951121 Title: scroll on thumb not functional To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/overlay-scrollbar/+bug/951121/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs