Square Enix have announced that patch 2.1 for Final Fantasy XIV: A Realm Reborn is due out next month. In addition to the usual bug fixes, balance adjustments, and similar there will also be a bunch of added content. New dungeons, duty roulette, the aesthetician and hard mode dungeons and a few other things are among the promised improvements.
Expect more information on what's included in the patch in the near future.