What is to come:

The new hero is called Maiev Shadowsong and will be the new skin for the rogue class. To unlock her you must win 10 games in casual or ranked queue after Un’goro launches.

The pre-order option will remain live until the actual expansion launches. The European launch is April 7 according to Blizzard.

We also say goodbye to the year of the kraken and herald in the year of the Mammoth.

Some bug fixes and other tweaks will be introduced together with the release.

If you want to get some more specifics and dig deeper, go to Hearthstone updates.