BioWare has detailed plans to release its next Star Wars: The Old Republic update, titled 'Operation Nightmare', in two parts.

The first part of the update, version 2.2 - 'Terror from Beyond' - will contain new guild bonuses, and Underworld crafting gear.The second drop will be version 2.2.2 titled 'S$#@! and Villainy', which will combine with aforementioned update to introduce "a total of twelve nightmarishly challenging bosses at Level 55", says the developer.
The game's original level 50 cap is risen to level 55 as part of the game's first major update, Rise of the Hutt Cartel, which was released in April.
More details on each update and the range of content they will add is over on the official SWTOR blog.