Here is what the liferea developer has said:
Possible solution of this problem is realized in SVN trunk to be released with 1.3.0: http://liferea.blogspot.com/2007/01/improved-tray-icon.html Regards Pochu ** Changed in: liferea (Ubuntu) Status: Confirmed => Fix Committed -- New messages not noticable by status icon https://launchpad.net/bugs/81551 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs