Every app which has no icon in the app scope has no icon in the launcher when launched. In this picture it was the Telegram app, but every other one has the same behaviour. Unpining and repining it again has no effect. The solution was to deinstall the app and reinstall it. Then the icon is back.
I noticed, that at the notification of e.g. an incoming Telegram message, the little icon was also missing. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1447796 Title: Some icons are not visible To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity8/+bug/1447796/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs