It seems like "Activate" is not even implemented, only "SecondaryActivate". https://git.launchpad.net/ubuntu/+source/libappindicator/tree/src/app- indicator.c#n1198
KDE had to work around this by just falling back to opening the context menu: https://github.com/KDE/plasma-workspace/blob/e0609d88d029ec0700768fa8ec1db3e32b628495/applets/systemtray/package/contents/ui/items/StatusNotifierItem.qml#L54 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1910521 Title: libappindicator breaks left-mouse actions for most applications To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libappindicator/+bug/1910521/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs