sorry but no: that TBB is called 2.4.18-rc-1, so 2.4 release candidate ([diff](https://trac.torproject.org/projects/tor/wiki/TorWeeklyNews/2013/21?action=diff&version=25)) URL: https://trac.torproject.org/projects/tor/wiki/TorWeeklyNews/2013/21?version=25