Early this morning the Battle.net Launcher was updated, and hours later downloaded and installed a new Hearthstone patch version 1.0.0.3749 — and this one is big: 981MB approximately. That’s nigh twice the size of what the original Hearthstone installer was. The newest patch contained bug fixes, but it is also paving the way to enable Hearthstone beta in Europe.
Get ready for some exciting gameplay European fans. Beta is coming your way soon. It’s a very addicting game.
AratilThere were some minor bug fixes in this patch, but most of this patch was to prepare for the European Hearthstone environment. — source