It doesn't really depend on the panel position for me, some tray icons don't really show up until the panel is restarted, or its config modified.
** Changed in: xfce4-panel (Ubuntu) Status: New => Confirmed -- Some system tray icons are not visible in xfce4-panel, if the panel is set vertical https://bugs.launchpad.net/bugs/139424 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs