New reputation, cartel market items, and achievements related to the revamped Rakghoul Resurgence event have being spotted in the PTS. Also new is a reindeer like tauntaun and a new title related to Life Day on the cartel market along with some Life Day event achievements. A regen item was also added to the Gree reputation vendor.
A list of the new cartel items added with patch 1.6 with images. The new additions to the Cartel Market seems to evolve around the Life Day event.
SWTOR Patch 1.6 Livestream Q&A transcript and video. This livestream will be discussing Game Update 1.6: Ancient Hypergates and the recently launched Free to Play option.