Today's planned PvP balance changes update is postponed till further notice while we investigate a critical issue affecting the changes.
Apologize for the inconvenience.
We apologize for today's PvP balance patch delay, we're currently investigating a critical issue impacting the stability of the patch.
We're now aiming to release the patch tomorrow as an optional update, here are some changes you can expect: http://pbs.twimg.com/media/FU1OOEzWUBUMQEp.jpg