Unread message notifier in launcher icon in Linux
On Ubuntu 19.04, the mattermost desktop client does not indicate unread messages in the launcher (I mean adding a little pop-up symbol to the icon as shown in this post about Windows #194).
I don't know if that is intended (no comparison on other systems). For thunderbird a similar thing exists, but I wouldn't know how to implement right away. I suggest a permanent "red dot" indicating new messages, or optionally a counter.