http://korma.wmflabs.org/browser/gerrit_review_queue.html?page=3 lists "Josa" with 3 patchsets waiting for review.
But https://gerrit.wikimedia.org/r/#/q/status:open+project:mediawiki/extensions/Josa,n,z only lists 3 open patchsets all with CR=+1. Hence there are no unreviewed changesets.
(Checked on 2015-12-13 and 2015-12-15)