Bioware has announced the latest Star Wars: The Old Republic patch for the Public Test Server has been deployed, and contains "many content updates" along with a new Flashpoint called Kaon Under Siege. The update also includes four new boss additions to Operation: Karagga’s Palace as well as changes to Open World PvP on Ilum. The patch includes various "high-priority bug fixes" such as an issue which prevented some Jedi Knights from progressing in Kira Carsen’s affection conversations. Previously inaccessible Datacrons are now reachable, and fixes to various issues in Flashpoints and Operations have been made as well. Those who rolled a character on the test server should go check it out.
No word on when the patch will be implemented into the game just yet, but you can look over the notes over on the official website.