What changed in The Binding of Isaac: Rebirth in 2021

Fixed some achievements being rendered incorrectly when the language is set to Russian

Fixed Lemegeton wisps not being rendered properly for modded items

Added a placeholder collection sprite for modded items that do not provide one

Fixed costumeSuffix attribute not working as intended when assigned to Isaac

'goto' command now accepts 'default' as a room type when trying to warp to a special room

Fixed not being able to go to Sheol after having used Genesis.

Fixed Trisagion lasers getting stuck when spawned by item interactions that create large amounts of tears.

Fixed victory lap popup displaying the wrong message.

Fixed the victory lap HUD icon clipping into the stat display.

The full list of changes can be found on the provided link.

Fixed 20/20 not increasing Keeper and Tainted Keeper's firerate.

Fixed The Marathon achievement not usually unlocking; dailies completed before this update may not count.

Fixed C Section + Technology sometimes causing self damage when fired by familiars.

Cooldown of Placebo reduced with stat upgrades, Pretty Fly and Experimental Pill.

Fixed Dark Esau preventing white champion enemies from losing their invulnerability.

Fixed the daily exit confirmation popup not rendering correctly in the Chinese translation.

Fixed Decap Attack causing the head to hover endlessly over the player's body if recalled before the head hits the ground.

Fixed a rare freeze caused by Trisagion + Continuum.

Fixed white fire rooms in Downpour and special button rooms in the Mines rarely generating connected to special rooms.

Fixed Dr. Fetus/Epic Fetus + poison effects spawning harmful poison clouds when fired by familiars.

Fixed quest items being disabled when the player carrying them dies in co-op.

Fixed a crash caused by picking up Strawman after Money = Power.

Fixed Tainted Lilith's birthright preventing her from opening the flesh door in Mausoleum II.

Fixed Panic Button triggering on white fires.

Fixed Esau Jr. removing Dark Esau when used as Tainted Jacob.

Enemies no longer guaranteed to drop coins when encountered in a previously visited room as Tainted Keeper.

Fixed Magic Mushroom and Leo granting the Stompy! transformation when repeatedly dropped and picked back up.

Glyph of Balance no longer drops soul hearts when playing as the Lost; can drop soul hearts and red hearts as Bethany, Tainted Bethany, and poop pickups as Tainted ???.

Fixed C Section synergies with melee weapons creating more fetuses, causing loops/crashes.

Fixed lava pits not refreshing properly if the game window was resized.

Fixed Mom's Ring spawning a rune every time it is dropped and picked back up.

Fixed Tainted Cain being able to take fatal devil deals without dying.

Fixed Butter! having a 100% chance to drop passive items on damage taken and being able to drop active items on damage taken.

Fixed Dice Bag causing the Whore of Babylon popup to appear whenever it gives a temporary dice item if the player has Whore of Babylon and is at low health.

Fixed Genesis turning other characters into Isaac after having used Esau Jr.

Fixed Expansion Pack rarely preventing the player from attacking.

Fixed the light emanating from Dogma's TV not rendering correctly.

Added even more new room layouts.

Fixed Telescope Lens and Door Stop appearing in Greed mode.

Fixed Tainted Cain not being able to pick up items normally in the Death Certificate area.

Fixed a Cathedral room that could have Polties appear on top of entrances.

Fixed Dogma (item) giving hearts every time it is dropped and picked back up.

Fixed Best Friend + Brimstone Bombs damaging the player.

Fixed Tainted Judas' birthright not working as intended.

Updated a few item qualities.

Fixed a Flooded Caves boss wave in Greed mode sometimes causing a crash.

Fixed a Dross room that could have the right side entrance blocked by rocks.

20/20 now decreases the damage given by Polyphemus similarly to other tear multipliers.

Fixed Dark Esau not blocking enemy projectiles when not charging.

Fixed a Depths room that could have Brains behind rocks.

Fixed a crash caused by an 'I'm Excited!' pill activating in a room with rain effects.

Fixed Tainted Keeper getting less coins than intended from enemies in Greed mode.

Red chests can no longer teleport the player to the Devil/Angel room while in the Genesis room.

Esau Jr. now preserves quest items such as the Polaroid and the Negative.

The Lost's hearts are now hidden again, but the Holy Mantle indicator remains visible.

Fixed ultra secret rooms very rarely generating in impossible locations, causing a softlock when teleported to via the Moon? card.

Fixed the Continue option becoming unavailable when switching languages while mods are enabled.

Fixed Shiny Rock not doing anything.

Fixed Tainted Lazarus' charge bar being visible in water reflections.

Added 3 new items to the boss and chest pools: Glass Eye, Stye, and Mom's Ring.

Tainted Eden no longer rerolls on self-inflicted or fatal damage.

Added Birthright effects to all characters missing one and descriptions for Tainted characters in the selection menu.

The game has been updated with partial support for Japanese, Korean, Spanish, German, Russian, and Simplified Chinese.

Increased invincibility frames from Holy Mantle to 1 second.

Fixed invisible mirrors and devil room doors appearing along walls where a door should not be present.

Tainted Eve's clots now drop to the ground when recalled with full health and start with 15 HP.

C Section is now functional and obtainable after being unlocked.

Updated sprites for Tainted Lazarus, The Thing, Null, Begotten, Evil Twin, Clot, Blue Boil, Dukie, and Converter.

The Lost's health and Holy Mantle status are now visible in the HUD.

Fixed a bug causing crawlspaces to always lead to the Error room.

Fixed TMTRAINER replacing important progression items.

Tainted Azazel's beam now has a reduced duration unless he holds Brimstone and sneezes automatically when charging.

Vengeful Spirit deals a lot more contact damage, before it was dealing much less than intended.

Fixed Locust of War + Brimstone Bombs being able to damage the player when spawned by Cricket Leg.

Custom coop selection graphics can now be set for all modded characters.

Mods are now stored in a 'mods' folder in the same directory as the rest of the game files.

Added new properties in players.xml for broken hearts, starting active items, and character visibility.

Hostile enemies spawned glitch items no longer deal instant damage, allowing players a small amount of time to escape.

Added and removed properties related to active items in PlayerTypes.ActiveItemDesc.

Added a loading screen that appears when installing or updating mods from Steam Workshop.

Added new functions to EntityPlayer for managing hearts and player types.

Fixed a bug which caused the first two floors of the alternate path to always share the same variant.

Mod save data is now stored separately in a 'data' folder, preventing data loss when updating or unsubscribing from a mod.

Fixed Vanishing Twin being able to turn into Dark Esau.

Added new properties for items including custom shop price, initial charge, and persistence of effects.

Introduced new Lua functions and updated existing ones for better modding capabilities.

Created from Delirious and Mom's Bracelet.

If they haven't been unlocked yet.

Now only starts exploding 1 second after entering a room.

Souls are collected when exiting the room.

Best Bud, Hallowed Ground can no longer be found.

Deck of Cards, Tarot Cloth, Zodiac, Card Reading, Echo Chamber now count.

Cooldown raised from 2 to 4.

Drop rate increased from 10% back to 25% in Normal Mode.

Sometimes resulted in unavoidable damage.

Prevented accidental triggering.

This applies to challenges or daily runs that do not end there.

A few more entries added.

Now constantly swings its bone while attack buttons are held down.

Indicates when a blood clot will be spawned.

Did not grant Eden tokens.

Caused softlocks on certain paths.

Resolved a crash issue when teleporting in specific areas.

Chance to find max level Shops in Hard mode increased to 50%, reverting to previous normal mode rates.

Fixed being able to unlock Golden Razor by saving and resuming a run or entering a certain area.

Fixed I Found Pills causing Keeper, Apollyon, Blue Baby and the Forgotten's head to disappear.

Fixed Chub and other bomb eating bosses causing a crash when swallowing rockets.

Fixed a possible crash caused by Compost wisps.

Lightning flashes in Downpour have had their brightness reduced to accommodate users with sensitive vision.

Fixed a possible crash caused by Ventricle Razor wisps.

Fixed Bestiary entries for some Vis enemies that were missing graphics.

Touching certain fires no longer triggers Shard of Glass' bleed effect.

Added several missing bestiary entries.

Reap Creep can no longer appear on the Scat Man challenge to reduce unfair softlocks.

Fixed a crash caused by using Dark Arts while having Midas' Touch.

Fixed Wormwood sometimes getting stuck underwater when slowed down.

Fixed Doctor's Remote getting cancelled when taking damage before the rocket hits the ground.

Fixed an unintended interaction with certain fires and Pyromaniac.

Restock Machines added back to Shops with a 25% chance to replace the Donation Machine.

Fixed Delirium's death animation getting stuck in an endless loop when he dies while slowed or sped up.

Fixed a crash caused by dying and reviving during the Rotgut fight.

Fixed a possible crash caused by Stitches wisps.

Dead co-op players are now revived only when the end-of-floor boss is defeated.

Added a tentative fix for corrupted graphics caused by burrowing enemies on AMD graphics drivers.

Fixed Spin To Win wisps not dying as expected.

Fixed Butter allowing single use items to be reused endlessly.

Fixed pickup animation getting stuck when using certain active items while holding a red bomb.

Fixed dead co-op player being able to unlock certain doors.

Fixed not being able to start co-op if Player 1 has one or less red hearts.

Tinted rocks are now more common in Hard mode, reverting to previous normal mode rates.

Touching certain fires no longer rerolls Eden.

Entering certain floors now attempts to place the player in a safe spot to prevent instant damage from room hazards.

Fixed a possible crash caused by Diplopia wisps.

Fixed a crash caused by Box of Friends wisps.

Fixed a rare situation involving Eden tokens which could cause the character selection menu to be stuck on the wrong side.

Repentance launches, featuring an updated version of the Antibirth mod with tons of new content.

Repentance includes hundreds of updates to gameplay, items, music, and art.

The game will feature bug fixes and balance updates post-release.

Repentance is confirmed as the last DLC for The Binding of Isaac: Rebirth.

Repentance features local co-op for 2-4 players, with online play available via Steam's Remote Play.

The DLC features a new track for Ashpit, an alternate chapter to the Mines.

The game ends when all non-ghost players die.

Players share coins, bombs, and keys while maintaining individual HP and items.

True co-op mode can be played online using Steam Remote Play.

When a boss is killed, a boss item spawns for the next player to pick up, ensuring shared resources.

Players who die respawn as a nerfed ghost baby with minimal damage until the boss of the floor is defeated.

Players can now start a normal game with 2-4 players selecting their characters from a mini character select screen.

GB Bug now functions as a familiar that can be launched to reroll items, changing its mechanics significantly.

Glass Cannon can now be used multiple times until the player is hit, after which it becomes a 'broken cannon'.

For each nerf, two low-end items received buffs, some of which are major changes.

Holy Water can now be thrown at enemies and returns to the player, enhancing its usefulness.

Several items that contributed to easy game breaks have been slightly nerfed.

Significant changes made to balance the game, reducing reliance on luck while improving bad luck runs.

Includes various fixes and improvements alongside the new content.

A free expansion featuring a new character, unlockable items, alt bosses, achievements, and goals.

Characters received visual updates and restoration of flash-era bosses to their original looks.

Dirty Mind, an item from the Antibirth mod, is now available.

Hard mode will be made harder in appropriate ways.

Many bottom tier items will be reworked and buffed.

A new boss named Clog, described as a 'diarrhea bender', has been introduced.

Introducing DROSS, an alternate chapter to Downpour with new floors and monsters.

A sweet new track titled 'Night Soil' has been added.

A new item called Montezuma's Revenge has been added.

Pills will be adjusted to be more valuable.

Resprites of various bosses and regular enemies to align with their appearance in Flash.

A simple enemy for the Dank Depths that leaves behind sticky slowing creep and charges at Isaac.

A floating growth in Chapter 4 with tears orbiting around it, occasionally sending tears outward.

Rocks and obstacles in rooms will have different appearances on each floor to match thematic areas.

New traps that pursue Isaac and can press buttons to solve puzzles.

New enemies that take away active item charges instead of health, found in item rooms.

A new enemy that spawns little angel babies, adding to the four souls enemies.

New ghostly flies that orbit monsters instead of Isaac, with unique behavior.

Introduction of a new track for the 3rd alternate floor in Repentance called 'The Mausoleum'.

Announcement of the upcoming release of 'Four Souls: Requiem', a card game based on The Binding of Isaac.

New visuals have been implemented for various item combinations, providing a fresh experience for players.

Numerous new custom combo effects for items have been added, enhancing gameplay with new visuals and mechanics.

All previous Isaac DLCs and the core game are on sale for 50% off to celebrate the preorder announcement.

Hundreds of visual and mechanical changes have been made to the game, enhancing the overall experience.

The Keeper character will receive updates to address issues that players find 'unfun'.

Isaac will feature true co-op supporting up to 4 players, with online play via Steam's 'remote play together'.

Repentance will feature seven new challenges.

The Repentance DLC is now up for preorder on Steam.

Repentance expands on the Antibirth mod with additional content and mechanics.

A boss character with a unique design and attack style.

A new item with unspecified effects.

An enemy from 'The End is Nigh' that dives into the unknown depths.

A new lush alternate path running parallel to the main game featuring new enemies, bosses, and mechanics.

Repentance will feature various gameplay updates.

Repentance will include many balance changes, though specifics are not detailed.

An additional 34 unlockable items have been added to the game.

There will be bug fix updates after the launch of Repentance.

Repentance DLC is set to launch on March 31st.

The title track for Genesis has been redone for the final DLC.