I ran dnf update two days ago.
Since then (and only since then), the four workspace icons in my task bar randomly disappear and I have to logout/login to get them back.
Hi there!
Which setup are you running, taskbar sounds like something custom 
I already posted about this, see
https://forums.rockylinux.org/t/gnome-classic-session-messed-up-in-9-6/18769/1