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"Madness at the Darkmoon Faire"
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Ann. date:January 27, 2021
Release date:January 28, 2021
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Patch is a Hearthstone patch released on January 28, 2021. It is a small patch, adding a balance change to Hysteria and a few Duels balance changes.

Patch notes[]

The 19.4.1 patch, arriving on January 28, includes a change for Hysteria from the Darkmoon Races Mini-Set, balance adjustments for Duels, and a handful of game improvements!

Standard Balance Updates[]

Old: Choose a minion. It attacks random minions until it dies. → New: Choose an enemy minion. It attacks random minions until it dies.
Hysteria will be eligible for a full dust refund for 2 weeks after the 19.4.1 patch goes live.

Duels Balance Updates[]


Old: [Passive] After you play the left- or right-most card, gain 1 Attack this turn. → New: [Costs 1] After you play the left or right-most card in your hand, gain +1 Attack this turn.
Old: Trigger a minion's Deathrattle. → New: Trigger a random friendly minion's Deathrattle.


Old: [Costs 6] → New: [Beast, Costs 8]
Dev Comment: Turns out Bonecrusher is a silly rabbit.
Old: [Costs 5] → New: [Costs 4]
Old: [Costs 6] → New: [Costs 5]
Now has the Dragon tag.


  • Cannibalism has moved from Passive Treasure pool 1 to pool 2
  • Sandy Surprise has been removed from the Passive Treasures pool.

Miscellaneous Updates & Game Improvements[]

  • Fixed a bug where Collection Achievement progress could get out of sync with the current contents of your collection.
    • Dev Comment: You will still never lose credit for an Achievement once it's been completed.
  • Fixed a bug where Arena could fail to load for new players.
  • Fixed a Duels bug where the animation for Harvest Time! would play twice.
  • Fixed a Duels bug where Shadow Word: Void would summon minions based on the target minion's default Health rather than current Health remaining.
  • Fixed a visual bug where notifications would persist for the Journal after completed Achievements had been claimed.