Themed around Revan. http://www.bit-tech.net/news/gaming/2014/10/07/star-wars-the-old-republic-expansion-announ/1
Actually I've still been subscribed since Launch and still love the game. And pretty much everyone in the Guild is rather excited about the upcoming changes to Class/Combat gameplay since it's a massive overhaul.
I enjoyed the game initially but found i got bored by the fact that everyone looked the same after a while, and that mechanics were the same for most classes. i tried to get into RotHC but found the same problems. IIRC recently there was an article talking about this as being one of the few money making mmo's out there (other than wow) so it must have a decent played base still. I will be keeping an eye on this as my mmo space is vacant atm.