Just to clarify and extend what Micah already said: the greyed-out items on the list are the items you already have in your panel (no matter whether you added them yourself or whether they're added as part of the default configuration).
So yes, this is not a bug. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/959046 Title: Cannot add notification applet to XFCE panel - Xubuntu Pangolin beta To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfce4-panel/+bug/959046/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs