I have the same issue in Ubuntu 18.04.3. The option "freedesktop.org tray icon base on dbus" mentioned by firfefoxfans no longer exists. I found (searching for tray) DBus based new Freedesktop.org tray icon and disabled that.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1688061 Title: Clicking indicator blocks all input for several seconds To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fcitx/+bug/1688061/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
