You're right, it's a problem of dash to panel, I found the issue reported on github: https://github.com/home-sweet-gnome/dash-to- panel/issues/1497
** Bug watch added: github.com/home-sweet-gnome/dash-to-panel/issues #1497 https://github.com/home-sweet-gnome/dash-to-panel/issues/1497 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1948599 Title: Nautilus icon missing from taskbar (21.10; Xorg) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1948599/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs