I'm getting the same problem with Telegram and Steam, both packages were installed in the same way on both systems. Indicator was visibile prior to upgrade, is not after upgrade, works in a clean install of bionic.
Even the basic example in http://candidtim.github.io/appindicator/2014/09/13/ubuntu-appindicator- step-by-step.html does not work on the upgraded system. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1754458 Title: nm-applet symbol not displayed on mate (18.04) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-mate/+bug/1754458/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs