Slowdown seems to be gone, but after some more testing (error occurs only during calls with another user as far as I can see) there seems to be something else in the logs.
ubuntu-appindicat...@ubuntu.com[3229]: unable to update icon for discord1 ubuntu-appindicat...@ubuntu.com[3229]: discord1, Impossible to lookup icon for 'discord1_1029-panel' in path /run/user/1000/snap.discord/.org.chromium.Chromium.urAsvB ubuntu-appindicat...@ubuntu.com[3229]: unable to update icon for discord1 ubuntu-appindicat...@ubuntu.com[3229]: discord1, Impossible to lookup icon for 'discord1_1043-panel' in path /run/user/1000/snap.discord/.org.chromium.Chromium.kuzpGe ubuntu-appindicat...@ubuntu.com[3229]: unable to update icon for discord1 apt list gnome-shell-extension-appindicator gnome-shell-extension-appindicator/now 33.1-0ubuntu0.20.04.1 all -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1849142 Title: appindicator extension slows down GUI spamming the log with "[AppIndicatorSupport-FATAL] unable to lookup icon ..." or "Impossible to lookup icon" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell-extension-appindicator/+bug/1849142/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs