From the official SWTOR website:
Game Update 2.3 is now live on our Public Test Server! For those of you that already have high level, copied characters on our Public Test Server, we encourage you to explore the CZ-198 moon and two new Czerka Flashpoints. Get on, check everything out, and give us your feedback by posting on the Public Test Server forum. Unfortunately, we won't be able to offer the ability to copy characters for this test nor will there be any rewards offered for testing. We apologize for any inconvenience that this may cause.
Game Update 2.3 contains a host of new features including:
CZ-198 Mission Area
CZ-198, a new Level 55 daily mission area, is now available! CZ-198 is a small, private moon where Czerka Corporation's most secret and dangerous data, research and technology is stored. The facility has recently entered an emergency security lockdown, and both the Empire and the Republic have descended on the moon in order to seize control. Complete missions to earn Galactic Reputation with the Ordnance Acquisition Corps (Empire) / Adjudicators (Republic) and purchase special rewards including powerful droid new companion armor!
Flashpoint: Czerka Corporate Labs
Infiltrate Czerka's corporate headquarters on CZ-198 and take down Rasmus Blys, the Czerka scientist responsible for developing the company's most dangerous weaponry. All-new role-neutral Story Mode at Level 55. Group Finder will match the first four players of any role for fast queue times! Hard Mode available at Level 55.
Flashpoint: Czerka Core Meltdown
Race against time to stop the imminent meltdown of the CZ-198 research facility and battle against the terrifying security system known as "The Vigilant!" All-new role-neutral Story Mode at Level 55. Group Finder will match the first four players of any role for fast queue times! Hard Mode available at Level 55.
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