The Hearthstone development team is beavering away on new content and features. Believe.
Hearth: Heroes of Warcraft has expanded several times since launch, but for some players there's just not enough new content to meet their ravening appetites.
Blizzard is aware that these players are always hungry, and in a new video blog senior game designer Ben Brode talks about why it sometimes seems like nothing is being done to further Hearthstone.
You can watch the full video below, but the summary is: announcing content and features too early can make players impatient or disappoint them if things don't work out, and Blizzard does a lot of iteration before it feels anything is ready for release.