It was not a big task to convert my application to a qt5 app, which I did this afternoon. The CPU load is gone, now, and for me, this is the solution to my problem.
I appreciate your help, thanks! -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-panel in Ubuntu. https://bugs.launchpad.net/bugs/1779663 Title: QT4 Tray application and CPU load in 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-panel/+bug/1779663/+subscriptions -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
