Blue Post
Original thread hosted on Blizzard's official forums.
:new: May 7 - Emergency Hotfix
View on Blizzard forums:
https://us.forums.blizzard.com/en/hearthstone/t/may-7-emergency-hotfix/161019/5
The update should be completed on PC (you should see version 35.4.0.241958 after the update). Please restart your game client.