Apparently this is an app bug that's already been fixed upstream: https://www.virtualbox.org/ticket/12534
Could we cherry-pick the fix? ** Bug watch added: Virtualbox Trac #12534 http://www.virtualbox.org/ticket/12534 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1769417 Title: Pinned Virtualbox icon doesn't work properly on KDE Plasma 5.12 and can cause the system to feel laggy To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtualbox/+bug/1769417/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs