Version History

2021-07-06 v9.1.0      - playgwent News     Balance changes, Sunset Wanderers
2021-06-08 v9.0.0      - playgwent News     Price of Power Expansion
2021-05-06 v8.5.0      - playgwent News     Triss Journey
2021-04-01 v8.4.0      - playgwent News     Balance changes
2021-03-09 v8.3.0      - playgwent News     Familiar Faces
2021-02-09 v8.2.0      - playgwent News     Yen Journey
2021-01-08 v8.1.0      - playgwent News     Madoc, Tooltip fixes
2020-12-08 v8.0.0      - playgwent News     Way of the Witcher Expansion
2020-11-17 v7.4.1      - playgwent News     META SHAKEUP
2020-10-01 v7.3.0      - playgwent News     Artifact Removal, Balance changes
2020-09-01 v7.2.0      - playgwent News     Ability reworks, Balance changes
2020-08-10 v7.1.1      - playgwent twitter  SK Hotfix
2020-08-02 v7.1.0      - playgwent News     Ciri Journey
2020-07-07 v7.0.2      - playgwent News     Master Mirror Hotfix
2020-06-30 v7.0.0      - playgwent News     Master Mirror Expansion
2020-05-05 v6.2.0      - playgwent News     Balance changes
2020-04-02 v6.1.0      - playgwent News     New Abilities, Journey, Balance (Android is v6.0)
2020-03-03 v5.2.0      - playgwent News     Year of the Wererat, Balance changes
2020-02-04 v5.1.0      - playgwent News     Balance changes
2019-12-13 v5.0.1      - playgwent News     Merchants of Ofir Hotfix
2019-12-09 v5.0.0      - playgwent News     Merchants of Ofir Expansion
2019-10-28 v4.1.0      - playgwent News     Balance changes (29th iOS Release)
2019-10-09 v4.0.3      - playgwent News     Iron Judgment Balance Hotfix 
2019-10-02 v4.0.0      - playgwent News     Iron Judgment Expansion 
2019-08-30 v3.2.0      - playgwent News     Vampire Rework, Balance 
2019-07-31 v3.1.0      - playgwent News     NR Rework, Bronze Rebalance
2019-07-05 v3.0.1      - playgwent News     Syndicate Hotfix
2019-06-28 v3.0.0      - playgwent News     Novigrad Expansion
2019-05-30 v2.2.0      - playgwent News     User Experience Update
2019-04-30 v2.1.0      - playgwent News     Nilfgaard Update
2019-04-04 v2.0.1      - playgwent News     CC Dettlaff Hotfix
2019-03-28 v2.0.0      - playgwent News     Crimson Curse Expansion
2019-02-28 v1.3.0      - playgwent News     Seasonal Trees Update
2019-01-31 v1.2.0      - playgwent News     Thronebreaker Leaders Update
2019-01-10 v1.1.0      - playgwent News     Mulligan Update
2018-12-04 v1.0.1.26   - playgwent News     Console Release
2018-11-07 v1.0.0.15-2 - playgwent News     Artifact Provision Update
2018-10-23 v1.0.0.15   - playgwent News     PC Release

For more information read the official changelog. The card data is sourced from the game so every text error will be included.
This changelog only features balance changes.

New
Buff
Nerf
Rework
Adjustment

New Content

Cards: 96
Order: Spawn a Firesworn Zealot and Summon him to an allied row.
Charge: 3.

When all Charges are depleted, gain 2 Coins.
Order: Damage an enemy unit by 7, then gain Coins equal to any excess damage dealt.
Leader
Order: Play a special card from your deck with 9 Provision Cost or less.
Increase this value by 1 for every 2 Crime cards in your starting deck.
Order: Gain 9 Coins, then boost an allied unit by any excess amount gained.
Order: Gain 2 Coins.
Charge: 3.

Every allied Tribute costs 1 Coin less.
Human, Blindeyes
Deploy: Damage all enemy units on a row by 2.
Tribute 8: Damage all enemy units by 2 instead.
Human
Intimidate.
Profit 4.
For every unique gang category in your starting deck, increase Sigi Reuven's initial Profit by 1.
Crime, Crownsplitters
Play a bronze unit from your deck. If it was a Dwarf, Spawn a copy of it and Summon it to the same row.
Deploy: Spawn a Firesworn Zealot and Summon it on both sides of this card.
Whenever you Spawn a unit, boost it by 1.
Halfling, Pirate, Tidecloaks
Ranged: Whenever you gain Coins, boost self by 1 for each Coin gained.
Human, Firesworn, Cleric
Profit 4.
Fee 2: Spawn a Firesworn Zealot and Summon him to this row.
Human, Cutups
Insanity.
Fee 5: Spawn a base copy of a bronze allied unit and Summon it to Igor's row.
Human, Mage
Deploy: Spend a number of Coins equal to an enemy unit's power, then Seize it.
Human, Firesworn, Cleric
Whenever you play a unit next to Prophet Lebioda, give it a Shield.
Human, Tidecloaks
Prevent the unit to the left of Sukrus from taking any damage.
Specter, Ship
Hoard 9: On turn end, Summon this unit from your deck or graveyard to a random allied row.
Dwarf, Crownsplitters
Intimidate.
Profit 3.
Fee 5 (Melee): Gain Resilience.
Human, Cutups
Intimidate.
Deploy: Transform an adjacent unit into a Cutup Lackey.
Tribute 3: Transform adjacent units into Cutup Lackeys instead.
Crime, Firesworn
Damage 3 adjacent enemy units by 2.
Deathblow: For every enemy unit destroyed, Spawn a Firesworn Zealot on the opposite row.
Dwarf, Crownsplitters
Deploy (Melee): Play a Crime from your deck.
Human, Witch Hunter
Deploy (Melee): Destroy an enemy unit with a Bounty.
Tribute 5: Boost self by that unit's base power.
Human, Pirate, Tidecloaks
Profit 1.
Order: Damage a unit by 1.
Hoard 6: Damage it by 2 instead.
Cooldown: 1.
Reach: 2
Human, Pirate, Tidecloaks
Ranged: Every allied turn, on turn end, gain 2 Coins.
Fee 3: Gain a Shield.
Human, Agent, Blindeyes
Intimidate.
Deploy: Your next Tribute this round is free.
Human, Witch Hunter
Deploy: Damage an enemy unit by 4.
Tribute 6: Destroy it instead.
Profit 1.
Look at the top card from your deck plus an additional card for every Coin you possess. Play the top card for free, or play another card for a Coin cost equal to its distance from the top. Shuffle the remaining cards back into your deck.
Human, Agent, Blindeyes
Profit 2.
Tribute 5: Spawn a Sly Seductress and Summon her to this row.
Beast, Cutups
Deploy: Damage an enemy unit by 3.
Deathblow: Gain 3 Coins.
Dwarf, Crownsplitters
Deploy: Trigger the Profit abilities of adjacent units.
Fee 3: Boost an allied unit by 2.
Human, Witch Hunter
Profit 3.
Fee 3 (Melee): Place a Bounty on an enemy unit.
Human, Agent, Blindeyes
Deploy: If you control an Agent, gain Zeal.
Order (Ranged): Draw a card, then move a card from your hand to the bottom of your deck.
Cooldown: 1.
Human, Pirate, Tidecloaks
Deploy (Melee): Boost all allied Pirates by 1.
Deploy (Ranged): Boost all allied Ships by 1.
Human, Witch Hunter
Intimidate.
Deploy (Melee): Lock a unit.
Deploy (Ranged): Purify a unit.
Human, Agent, Blindeyes
Whenever your opponent plays a unit while Rico is in your hand, set his power equal to that unit's base power.
Intimidate 2.
Tribute 4: Gain Immunity.
Beast, Cutups
Deploy: Destroy an allied unit and boost self by its base power.
Human, Blindeyes
Profit 2.
Fee 2: Purify a unit.
Profit 2.
If Horst Borsodi is in your graveyard, increase this card's initial Profit by 2.
Fee 2 (Melee): Damage an enemy unit by 2.
Dwarf, Crownsplitters
Deploy: Boost self by 0.
Increase the boost by 1 for every special card you played this game.
Profit 2.
If Ewald Borsodi is in your graveyard, increase this card's initial Profit by 2.
Fee 2 (Ranged): Boost an allied unit by 2.
Human, Firesworn, Cleric
Whenever Nathaniel receives a boost, give Bleeding to a random enemy unit for 2 turns.
Ogroid, Cutups
Deploy: Damage a random allied unit by 3. If there are no allies, damage self by 5 instead.
Human, Witch Hunter
Deploy: Boost all allied Witch Hunters by 1.
Tribute 3: Boost all allied Witch Hunters in hand, deck and on the battlefield by 1.
Crime, Tidecloaks
Force an enemy unit to Duel an adjacent unit.
Crime, Firesworn
Banish an allied unit, then play the top card from your deck.
Crime, Blindeyes
Profit 6.
Human, Firesworn
Deploy: Damage self by 6. Reduce the damage by 1 for every Firesworn Zealot you control.
Machine, Crownsplitters
Profit 1.
Fee 3 (Melee): Destroy an artifact.
Human, Cutups
Insanity.
Fee 1: Give an enemy unit Bleeding for 1 turn. If Insanity was used, damage it by 1 instead.
Crime, Cutups
Damage an enemy unit by a random amount between 1 and 10.
Human, Cutups
Insanity.
Fee 2: Summon all copies of this unit from your deck to this row.
Crime, Firesworn
Spawn 2 Firesworn Zealots and Summon them to an allied row.
If you have no Coins, Spawn 3 Firesworn Zealots instead.
Human
Whenever you gain Coins, boost self by 1.
Insectoid, Cutups
Insanity.
Fee 1: Damage an enemy unit by 1.
Cooldown: 1.
Necrophage, Cutups
Deploy: On turn end, destroy self.
Tribute 2: Cancel the Deploy ability.
Dwarf, Crownsplitters
Shield.
Human, Crownsplitters
Profit 1.
Fee 1: Boost an allied unit by 1.
Dwarf, Crownsplitters
Intimidate.
Deploy: Damage an enemy unit by 2.
Crime, Tidecloaks
Profit 3.
Damage an enemy unit by 3.
Crime, Blindeyes
Profit 4.
Draw a card, then put a card from your hand at the bottom of your deck.
Human, Firesworn, Cleric
Deploy: Damage an enemy unit by 2.
Deathblow: Spawn a Firesworn Zealot and Summon it to this row.
Human, Firesworn, Cleric
Ranged: Whenever you Spawn one or more units, gain 1 Coin.
Tribute 4: Boost self by 2.
Halfling, Crownsplitters
Profit 1.
Deploy: Boost self by 1 for each Crime card in your hand.
Human, Firesworn, Cleric
Deploy: Boost adjacent allied units by 1.
Tribute 4: Boost all allies on this row by 1.
Profit 2.
Fee 1: Give an allied unit Vitality for 1 turns.
Crime, Cutups
Damage an enemy unit by 2.
Deathblow: Gain 5 Coins.
Human, Pirate, Tidecloaks
Deploy, Hoard 4: Summon a copy of this unit from your deck to this row.
Crime, Crownsplitters
Profit 3.
Boost an allied unit by 3.
Ranged: Every allied turn, on turn end, gain 1 Coin.
Machine, Ship, Tidecloaks
Deploy (Ranged): Boost an allied unit by 1 for every Pirate in your hand.
Human, Witch Hunter
Profit 2.
Fee 1: Give Bleeding to a unit for 1 turn. If it has a Bounty, damage it by 1 instead.
Deploy: Give an allied unit Poison and boost it by 2.
Dwarf, Crownsplitters
Intimidate.
Human, Agent, Blindeyes
Profit 2.
Bonded: Profit 4 instead.
Human, Blindeyes
Deploy (Melee): Heal an allied unit.
Deploy (Ranged): Boost an allied unit by 2.
Tribute 1: Combine both Deploy abilities instead.
Crime, Cutups
Profit 3.
Spend all your Coins and damage an enemy by the same amount.
Human, Agent, Blindeyes
Deploy (Melee): Look at the top 3 cards from your opponent's deck and move one to the top.
Deploy (Ranged): Look at the top 3 cards from your deck and move one to the top.
Human, Cutups
Whenever you play a Crime card, damage a random enemy unit by 1.
Bonded: Increase the damage by 1.
Human, Firesworn
Profit 2.
Fee 2: Spawn a Firesworn Zealot and Summon him to this row.
Cooldown: 1.
Human, Firesworn, Cleric
Whenever you Spawn one or more units, boost self by 1.
Crime, Tidecloaks
Destroy an enemy artifact. If there are none, gain 3 Coins.
Human, Pirate, Tidecloaks
Deploy (Ranged): Gain Vitality for a duration equal to your Coin count.
Tribute 3: Boost self by your Coin count instead.
Crime
Profit 3.
Poison a unit.
Deploy: Give Poison to a unit. If it's an ally, gain 2 Coins.
Insectoid, Cutups
Order: Destroy an allied unit, then Spawn a Kikimore Warrior and Summon it to this row.
Crime, Blindeyes
Destroy an allied unit or artifact, then gain 6 Coins.
Human, Mage, Blindeyes
Deploy: Damage an enemy unit by 1.
Tribute 1: Damage it by 3 instead.
Human, Pirate, Tidecloaks
Fee 2: Boost self by 2.
Hoard 7: Boost self by 3 instead.
Crime
Profit 3.
Place a Bounty on an enemy unit.
Human, Agent, Blindeyes
Fee 3: Gain a Shield.
Whenever your opponent plays a unit, boost self by 1.
Bonded: Whenever your opponent plays a card, boost self by 1.
Crime, Crownsplitters
Profit a random amount between 4 and 6.
Human, Soldier, Firesworn
Deploy (Melee): Boost 3 adjacent allied units by 1.
Human, Pirate, Tidecloaks
Deploy: Damage an enemy unit by 2.
Deathblow: Gain 2 Coins.
Hoard 5: Trigger the Deathblow even if the enemy unit survived.
Human, Witch Hunter
Deploy: Place a Bounty on an enemy unit.
Every allied turn, on turn end, if this unit is Poisoned, boost it by 1.
Human, Token, Firesworn
Doomed.

Changes

Cards: 4
Dwarf, Bandit
Deploy: Damage a unit by 1 for every card in your hand.
Reach: 2
Dwarf, Bandit
Deploy: Damage a unit by 1 for every card in your hand.
Reach: 2
Destroy the highest unit.
Destroy the highest unit.
Every allied turn, on turn end, boost the lowest unit in your hand by 1.
Every allied turn, on turn end, boost the lowest unit in your hand by 1.
Human, Bandit
Deploy (Melee): Damage an enemy unit by 3 and all copies of it by 1.
Human, Bandit
Deploy (Melee): Damage an enemy and all copies of it by 3.