There is a second scrollbar on the right though. I assume that a scrollbar is added to the inner window widget based on a dynamic policy, and it is shown in this case due to the length of the icon list.
Probably worth to forward this to the Xfce bug tracker. https://bugzilla.xfce.org/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772289 Title: Xubuntu 18.10 appearance screen runs out of the window To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfce4-settings/+bug/1772289/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs