Java Edition 1.21.2

Minecraft 1.21.2

Edition	Java Edition
Official name	Bundles of Bravery
Planned release date	?
Development versions	Snapshots (8) Pre-releases (5) Release candidates (2) (View all)
◄◄  1.21 1.21.2 ◄  1.21.1

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1.21.2, the first release of Bundles of Bravery, is an upcoming game drop for Java Edition with no set release date. It adds bundles, more banner patterns to match Bedrock Edition, and reorganizes rarity to better reflect gameplay. In addition, it introduces Winter Drop features to experimental gameplay, including the pale garden and the creaking, as well as new item components that grant more options for item customization.

Additions

1.21.2 block and item additions

Items

Banner Patterns

• Two new banner patterns have been added to achieve parity with Bedrock Edition:
  • Field Masoned Banner Pattern
  • Bordure Indented Banner Pattern

Bundle

• An item that can hold a mixed stack of up to 64 items.
• Crafted from a string and a piece of leather.

• Can be dyed into 16 colors. Once dyed, Bundles cannot be undyed by using water cauldrons.

• Items that stack up to 16 take up more space, while items that do not stack take up the entire bundle (except other bundles).
  • Shulker boxes can not be placed in bundles.
  • Bundles can be placed in other bundles; this takes up 4 slots plus the number of slots already used by the inner bundle.
• Has a tooltip that shows the items inside.
  • If a bundle has less than 8 item types inside, the tooltip will show all of them.
  • Otherwise the tooltip will show the top 3 rows of items and the others will be hidden below, always showing at least 12 item types.
• When selecting an item to remove, the Bundle icon shows that item poking out of the Bundle.
• When holding a bundle in hand, the player can empty it onto the ground by right-clicking.
• It is possible to select any of the visible items to pull out of the Bundle.
  • Right-clicking takes the first item.
  • Using the scroll wheel to select a different item, then right-click to take it.
• When a bundle is used in the hotbar, one group of items is emptied at a time.

Mobs

Dolphins, Glow Squid, Squid

• Now have a baby variant to achieve parity with Bedrock Edition.

Salmon

• Now have small and large variants to achieve parity with Bedrock Edition.

Gameplay

Death messages

• Added a new death message for when killed by a mace smash attack.
  • <player/mob> was smashed by <player/mob>
  • <player/mob> was smashed by <player/mob> with <item>

Sounds

• Added unique break, fall, hit, place, and step sounds for monster spawners.

General

Experiments

• Added the Minecart Improvements, Redstone Experiments, and Winter Drop experimental data packs.

Languages

• Added support for High Norwegian.

Options

• Added new video setting "Reduce FPS when" which controls when the game limits its maximum frame rate.
  • Options include：
    • AFK: FPS limited to 30 if the game hasn't received input for 1 minute, and further limits FPS to 10 after 9 minutes. Also limits FPS to 10 when the game is minimized.
    • Minimized: Only limits FPS to 10 when the game is minimized.
  • Defaults to AFK.
• Added new accessibility setting "Increase block outline contrast" which increases the contrast of the outline shown on blocks.

Changes

Blocks

Bee Nests and Beehives

• Now show information about their honey level and number of bees.
• Now use their "full" texture when held or in the inventory, and they are at max level of honey.

Loom

• Now requires Field Masoned Banner Pattern and Bordure Indented Banner Pattern to craft corresponding banners.

Nether Portal

• Reduced teleport cooldown for minecarts and boats from 15 seconds to 0.5 seconds.
• Reduced teleport cooldown for projectiles from 15 seconds to 0.1 seconds.

Redstone Comparators

• The powered models for redstone comparators have changed.

Redstone Repeaters

• The powered models for redstone repeaters have changed.

Slime Block

• Now cancel fall damage when sneaking.

Items

General

• Drinking a milk bucket in creative mode no longer gives the player an empty bucket.

Banner Patterns

• Added unique item textures for each banner pattern.
• Each banner pattern item now includes their pattern in their name instead of as a subtitle.

Bundle

• Updated textures, models and sounds for bundles.
  • Bundle icon has new models and textures.
  • The bundle UI has new textures and scaling.
  • Added a new sound for when failing to add an item to a bundle.

Carpet

• Now shows the enchantment glint on llamas when enchanted.

Carved Pumpkin

• Equipping it on the player's head now removes the player marker from other players' maps.

Dyed shulker box

• Can no longer be dyed twice with the same color.

Ender Pearl

• Thrown Ender Pearls now load and tick chunks around it in a 3x3 chunk area.
  • Ender Pearls now ensure that the chunk they are in or travel into is always loaded and ticking.
  • An Ender Pearl creates a ticket for chunk loading any time it moves into a new chunk, and also periodically every 10 seconds.
  • They also load chunks when crossing to a new dimension, so that they can always continue to travel.
  • This ensures that Ender Pearls can always land, and makes cross dimensional Ender Pearl traveling more predictable.
  • Ender Pearls now unload when a player logs out, and reappear whenever that player logs back in, similar to how mounts currently behave.

Redstone Torch

• The textures and models were updated.

Shield

• Enchanted shields now have the same reduced glint as enchanted armor.

Smithing Templates

• Smithing template items are now named after their template type instead of the generic "Smithing Template" name.
  • They instead specify that they are a smithing template through a subtitle in the hover text.

Splash Potion

• The calculation for the duration of the effect has been changed. Splash potions thrown at the player's feet now apply the effect for almost the same duration as when thrown at the head.

Suspicious Stew

• Recipes for suspicious stew are now shown in recipe book.

Wolf armor

• Now shows the enchantment glint on wolves when enchanted.

Mobs

Bat

• Can now spawn at any height, not just below sea level, as long as it is dark enough and there is a solid block to spawn on.

Bee

• Bees now wander around randomly for less time after exiting a nest/hive.
• If a bee has a known nest/hive, it will travel less far from it, thus being less likely to get lost.
• Significantly increased the amount of time a bee can take to return to a known nest/hive before it gives up trying to return home.
• Bees are now a lot less likely to get stuck on corners or when they are close to a nest/hive they are trying to return to.
• Bees are also now a lot less likely to try and pathfind to a flower they cannot reach.

Blaze

• Changed the texture for the bottom face of a blaze's rods from to .

Breeze

• No longer have a minimum distance required to attack a target.

Squids

• There is a 5% chance of squids spawned in groups in the wild to be a baby squid.

Wolves

• Can now also be fed cod, cooked cod, salmon, cooked salmon, tropical fish, pufferfish and rabbit stew to heal, breed them or speed up their growth.

Non-mob entities

Projectiles

• Arrows and tridents now bounce on the world border if hit.
• Other projectiles such as ender pearls and snowballs no longer go through the world border.

World generation

Trial Chambers

• Added new variations to the hallways, including "Encounters": short challenges leading to a larger chamber.
• Numerous changes are made, such as removing the oak tree in corridor/entrance_1 and tweaking corridor/straight_6​
• Beds in intersections now have their colors randomized.
• Replaced the empty chests at the entrance of chamber with a hopper and barrel to better show the players that these are meant for disposal and inventory management.

Gameplay

Advancements

• The Over-Overkill advancement now requires a smash attack.

Creative mode

• Throwing items out of the inventory very quickly in creative mode is now throttled.

Oxygen bar

• Added an empty state for air bubbles () along with a wobble when the player is drowning.
• Added a popping sound for when bubbles pop on the oxygen bar, increasing in pitch depending on the oxygen left.

Raids

• A triggered raid will no longer start if the raiders cannot find a place to spawn within a reasonable distance of the village they are trying to raid.
• Raiders must find a place to spawn no more than 96 blocks vertically above or below the village center, or a raid will not start.
• It is now much less likely for raiders to not find a valid place to spawn when raiding.

Rarity

• Reevaluated rarity values for the following items:

Common

• End Crystal
• Golden Apple

Uncommon

• Sniffer Egg
• Chainmail Helmet
• Chainmail Chestplate
• Chainmail Leggings
• Chainmail Boots
• Recovery Compass
• Disc Fragment 5
• Nautilus Shell
• Echo Shard
• Goat Horn
• Pottery Sherd
• Ominous Bottle
• Ominous Banner
• Netherite Upgrade
• Sentry Armor Trim
• Dune Armor Trim
• Coast Armor Trim
• Wild Armor Trim
• Tide Armor Trim
• Snout Armor Trim
• Rib Armor Trim
• Wayfinder Armor Trim
• Shaper Armor Trim
• Raiser Armor Trim
• Host Armor Trim
• Flow Armor Trim
• Bolt Armor Trim
• Music Disc 13
• Music Disc Cat
• Music Disc Blocks
• Music Disc Chirp
• Music Disc Creator (Music Box)
• Music Disc Far
• Music Disc Mall
• Music Disc Mellohi
• Music Disc Stal
• Music Disc Strad
• Music Disc Ward
• Music Disc 11
• Music Disc Wait
• Music Disc Relic
• Music Disc 5
• Music Disc Precipice

Rare

• Enchanted Golden Apple
• Trident
• Nether Star
• Ward Armor Trim
• Eye Armor Trim
• Vex Armor Trim
• Spire Armor Trim
• Wither Skeleton Skull
• Skull Charge Banner Pattern
• Thing Banner Pattern
• Music Disc Pigstep
• Music Disc otherside
• Music Disc Creator

Epic

• Elytra
• Dragon Head
• Silence Armor Trim

Recipe book

• Now repeats the last selected recipe when a "selected" key is pressed (space or enter key).
• Shulker Box coloring recipes are now shown in the recipe book.

General

Performance

• Improved server performance when the render distance is high.
• Reduced performance impact when loading and generating chunks.
• Framerate has been improved when using higher render distances.
• Significantly reduced the performance impact when turning the camera.

Realms

• Now uses the normal, fully featured world creation screen.
  • Enables game rule customization.
  • Enables data pack customization.
• Hardcore mode is now available in Realms and is accessible by creating a new world or recreating an existing one.
• The game mode for the last active world on a Realm will now be visible on the main Realms screen if applicable.

Reporting

• Added skin reporting reason "Sexually inappropriate" for skins that are graphic in nature relating to sexual acts, sexual organs, and sexual violence.
• Removed skin reporting reason "Defamation" due to lack of relevance for skins.
• Removed skin reporting reason "Threat of harm to others" due to already being covered by "Harassment or bullying" reporting reason.
• Added a text label above the name reporting description box to clarify that only the name of the player is subject to the report.

UI

• Updated slot highlight so Item texture has better visibility.
  • The previous textures have been added to Programmer Art resource pack.

Experimental: Minecart Improvements

Changes

Non-mob entities

Minecarts

• Minecarts will articulate their movement better when going fast, riding on the rail all the time.
  • Minecarts will now smoothly turn along with the track and are less likely to halt or derail.
• Can now jump better.
  • They keep their vertical momentum when the track ends with a slope.
  • Minecarts will tilt to visually articulate while in the air.
  • No rail grinding sound is played when Minecarts are flying through the air.
• Can no longer be placed within another Minecart by the player.
  • Dispensers are allowed to stack Minecarts.
• Can now consistently be placed next to each other along a track
• Can now pick up mobs more consistently when moving along a track
• Minecarts no longer forcefully snap to the center of a block when landing on a rail.
  • Minecarts snap to corners along the diagonal, and snaps after being pushed by a Piston.
  • This allows for Piston bolts and similar contraptions.
• Minecarts now more easily come to rest at opposing slopes.
• Minecarts no longer tilt during a short fall, or when they are falling straight down.
• Minecarts are now placed (or dispensed) with the correct rotation straight away when put on rails.
  • They are also placed with the correct rotation onto slopes.
• Minecarts no longer phase through blocks on slopes when going up or down, they collide instead.

General

Game rules

• Added new gamerule minecartMaxSpeed that changes the maximum speed of Minecarts
  • Defaults to 8 and goes up to 1000 blocks per second.
  • Setting it to a specific value does not guarantee that a minecart will reach that particular max speed - there are built in air resistances and similar effects that the speed added through slopes or powered rails need to overcome.
  • This gamerule only exists in worlds with the experiment Minecart Improvements enabled.

Options

• Added a new accessibility setting that makes players follow the rotation of Minecarts they ride.
  • Defaults to off.
  • Only has effect when within a world with the experiment Minecart Improvements enabled.

Experimental: Redstone Experiments

Changes

Items

Redstone Dust

• The performance impact of Redstone wire (connected blocks of Redstone Dust) has been improved.
• Redstone wire now only triggers block updates on blocks that may receive power from the wire.
• Before a line of wire causes block updates, the new signal strength of all connected wires is set.
• The update order around redstone wire has been changed.
• Redstone wire updates now have a left-first preference, meaning the left side is updated first if both sides of a fork have equal power.
  • This removes most of the random behavior.
  • The remaining edge cases which are still random are situations where the wire gets powered from above or below without enough context.

Experimental: Winter Drop

Additions

Blocks

Creaking Heart

• A creaking heart is a “living” block generating in pale oak trees, covered on all sides by pale oak wood logs.
  • It can spawn a creaking mob when it is nighttime, and it is placed between two correctly aligned pale oak log blocks.
  • Is active during night and dormant during day.
• Sends a trail of particles towards the connected creaking when the creaking gets hit by the player.
  • Particle speed is affected by the distance of the creaking from the heart block.
• Mining the block is most efficiently done with an axe, but it only drops when using a Silk Touch tool.
  • When creaking heart block is destroyed, the connected creaking is removed.
• A redstone comparator that is attached to the creaking heart block outputs a signal strength dependent on the distance to the connected creaking.

Pale Hanging Moss

• Pale hanging moss generates naturally in the pale garden biome under the foliage of pale oaks.
  • Pale hanging moss does not grow randomly but can be bonemealed to grow down.
• It only drops when cut with Shears or destroyed using a tool with Silk Touch.

Pale Moss Block

• Generates naturally in the pale garden biome.
  • Pale moss blocks can be bonemealed to spread to compatible blocks.

Pale Moss Carpet

• Generates naturally in the pale garden biome.
  • When placed, pale moss carpet grows up to two blocks on the solid faces of any block that borders it.
  • Pale moss carpet can be bonemealed to grow to full on all solid faces of any block that borders it.
• Is more efficient to destroy with a Sword.

Pale Oak Leaves

• A new type of leaves.
• The color of the leaves stays the same regardless of the biome it is placed in.

Pale Oak Log

• A new type of log, as well as a stripped variant.
• Can be used to craft pale oak wood and planks.

Pale Oak Planks

• A new type of plank.
• Can be used to craft pale oak boats, boats with chest, buttons, doors, fences, fence gates, hanging signs, pressure plates, signs, slabs, stairs, and trapdoors.

Pale Oak Sapling

• A new type of sapling.
• Can be placed in flower pots.

Pale Oak Wood

• A new type of wood, as well as a stripped variant.
• Can be used to craft pale oak planks.

Mobs

Creaking

• The creaking spawns at night in the pale garden biome if there is a creaking heart block that has been generated in a pale oak tree.
  • Is not affected by light levels but spawns and despawns based on day/night cycle.
• It will follow and attack players up to 32 blocks away from its creaking heart block.
  • An activated creaking will not move if a player is looking at it.
  • A player wearing a carved pumpkin on their head can look at creaking without it freezing in place.
• Creaking is invulnerable to damage.
  • When hit, a particle trail is shown between the creaking and the creaking heart block it is connected to.
  • When the creaking heart block the creaking is connected to is destroyed, the creaking is removed, with no loot or experience dropped from the mob.
• Creakings cannot enter boats without the use of glitches.
• Creakings spawned from a creaking heart can not go through portals without the use of glitches.
• Creakings spawned from a creaking heart can not be named with a name tag.
• The Creaking Spawn Egg will spawn a creaking mob that is not connected to a creaking heart. The creaking mob will persist through day and night, loads and saves, and will take damage from attacks and other damage sources. It has one point of health (half a heart).
  • Creakings summoned from the creaking heart cannot be spawned with a spawn egg, nor can they be summoned with commands. They can only exist as a part of the creaking heart block.

World generation

Pale Garden

• A new biome which contains pale oaks and Pale Moss blocks/carpet.
• It is a variation of the dark forest biome, with pale oak trees instead of dark oak trees.
• Animal mobs do not spawn naturally.
• The grass in the pale garden has a desaturated, grayish look, the sky is a smoky gray, and water is a pale light blue.
  • Any tinted leaves places in the biome also get a desaturated, gray look.

Pale oak

• A new type of tree which can be grown from pale oak saplings in a 2x2 configuration.
  • Generates naturally in the pale garden biome.

General

Sounds

• Ambient sounds in the pale garden biome do not come from the biome settings but are generated by blocks found in the biome.
  • Pale hanging moss emits subtle atmospheric sounds when it is attached to pale oak logs and pale oak leaves.
  • Creaking heart block emits a set of eerie sounds when it is active during night and surrounded by Logs on all sides.

Tags

• Added the #pale_oak_log block and item tags.

Changes

Mobs

Illagers and ravagers

• Are now afraid of the creaking.

Parrots

• Can now imitate the creaking.

Gameplay

Advancements

• The pale garden is now a requirement for "Adventuring Time".
• The creaking grants "Monster Hunter", and is now a requirement for "Monsters Hunted".

General

Tags

• Added pale_garden to the #is_overworld, #is_forest, #stronghold_biased_to and #has_structure/trial_chambers biome tags.
• Added the Pale Oak wood types to their respective tags.
• Added pale_oak_log to the #overworld_natural_logs block tag.
• Added pale_moss_block, and pale_moss_carpet to the #mineable/hoe block tag.
• Added pale_moss_carpet to the #combination_step_sound_blocks, and #sword_efficient block tags.
• Added pale_oak_chest_boat to the #chest_boats item tag.

Technical

Additions

Non-mob entities

TNT and Minecart with TNT

• Added optional field explosion_power.
  • Defaults to 4.
  • For TNT minecarts, field value is added to speed-based explosion power.

Command format

/rotate

• New command to rotate entities.
• Syntax:
  • /rotate <target> <rotation>
  • /rotate <target> facing <facingLocation>
  • /rotate <target> facing entity <facingTarget> [<facingAnchor>]
• Parameters:
  • target: The entity to rotate.
  • rotation: Two rotation values in degrees denoting horizontal and vertical rotation.
    • May use relative (~) coordinate notation to specify rotation relative to current context rotation.
  • facingLocation: The coordinates of a location in the world for the rotated entity to face.
  • facingTarget: An entity for the rotated entity to face.
  • facingAnchor: Specifies the anchor of the facingTarget entity to rotate towards - feet or eyes (by default feet).

Data component format

• Added minecraft:consumable item stack component.

• [NBT Compound / JSON Object] minecraft:consumable: If present, this item can be consumed on use.
  • [Float] consume_seconds: The amount of seconds it takes for a player to consume the item. Defaults to 1.6.
  • [String] animation: The animation used during consumption of the item. Must be one of none, eat, drink, block, bow, spear, crossbow, spyglass, toot_horn or brush. Defaults to eat.
  • [String][NBT Compound / JSON Object] sound: Sound event, the sound used during and on completion of the item's consumption. Defaults to entity.generic.eat.
    • A sound event see Template:Nbt inherit/sound event/template[show]
  • [Boolean] has_consume_particles: Whether consumption particles are emitted while consuming this item. Defaults to true.
  • [NBT List / JSON Array] on_consume_effects: An optional list of effects which take place as a result of consuming this item.
    • [NBT Compound / JSON Object]: A single consume effect.
      • [String] type: The kind of consume effect. Must be one of apply_effects, remove_effects, clear_all_effects, teleport_randomly or play_sound.
      • If type is apply_effects:
        • [NBT List / JSON Array] effects: A list of effect instances applied once consumed.
          • [NBT Compound / JSON Object]: A single effect.
            • [String] id: The ID of the effect.
            • [Byte] amplifier: The amplifier of the effect, with level I having value 0. Optional, defaults to 0.
            • [Int] duration: The duration of the effect in ticks. Value -1 is treated as infinity. Values 0 and values less then -2 are treated as 1. Optional, defaults to 1 tick.
            • [Boolean] ambient: Whether or not this is an effect provided by a beacon and therefore should be less intrusive on the screen. Optional, defaults to false.
            • [Boolean] show_particles: Whether or not this effect produces particles. Optional, defaults to true.
            • [Boolean] show_icon: Whether or not an icon should be shown for this effect. Optional, defaults to true.
        • [Float] probability: The probability the above effects will be applied once consumed. Defaults to 1.0.
      • If type is remove_effects:
        • [NBT List / JSON Array][String] effects: A set of effects removed once consumed, as either a single ID or list of IDs.
      • If type is clear_all_effects: Clears all effects of the consumer.
      • If type is teleport_randomly:
        • [Float] diameter: The diameter that the consumer will be teleported within. Defaults to 16.0
      • If type is play_sound:
        • [String][NBT Compound / JSON Object] sound: The sound event played once when consumed.
          • A sound event see Template:Nbt inherit/sound event/template[show]

• e.g. consumable={consume_seconds:3.0, animation:'eat', sound:'entity.generic.eat', has_consume_particles:true, on_consume_effects:[{type:'minecraft:clear_all_effects'}]}

• Added minecraft:damage_resistant item stack component.

• [NBT Compound / JSON Object] minecraft:damage_resistant: If specified, this item will be invulnerable to the specified damage types when in entity form or equipped.
  • [String] types: A damage type tag prefixed with #.

• e.g. damage_resistant={types:"#minecraft:is_fall"}

• Added minecraft:death_protection item stack component.

• [NBT Compound / JSON Object] minecraft:death_protection: If present, this item will protect the holder from dying by restoring a single health point.
  • [NBT List / JSON Array] death_effects: An optional list of effects that are applied when the item protects the holder.
    • [NBT Compound / JSON Object]: A single revive effect.
      • [String] type: The kind of revive effect. Must be one of apply_effects, remove_effects, clear_all_effects, teleport_randomly or play_sound.
      • If type is apply_effects:
        • [NBT List / JSON Array] effects: A list of effect instances applied once revived.
          • [NBT Compound / JSON Object]: A single effect.
            • [String] id: The ID of the effect.
            • [Byte] amplifier: The amplifier of the effect, with level I having value 0. Optional, defaults to 0.
            • [Int] duration: The duration of the effect in ticks. Value -1 is treated as infinity. Values 0 or less than -2 are treated as 1. Optional, defaults to 1 tick.
            • [Boolean] ambient: Whether or not this is an effect provided by a beacon and therefore should be less intrusive on the screen. Optional, defaults to false.
            • [Boolean] show_particles: Whether or not this effect produces particles. Optional, defaults to true.
            • [Boolean] show_icon: Whether or not an icon should be shown for this effect. Optional, defaults to true.
        • [Float] probability: The probability the above effects will be applied once revived. Defaults to 1.0.
      • If type is remove_effects:
        • [NBT List / JSON Array][String] effects: A set of effects removed once revived, as either a single ID or list of IDs.
      • If type is clear_all_effects: Clears all effects of the holder.
      • If type is teleport_randomly:
        • [Float] diameter: The diameter that the holder will be teleported within. Defaults to 16.0.
      • If type is play_sound:
        • [String][NBT Compound / JSON Object] sound: The sound event played once when revived.
          • A sound event see Template:Nbt inherit/sound event/template[show]

• Added minecraft:enchantable item stack component.

• [NBT Compound / JSON Object] minecraft:enchantable: If present, and applicable enchantments are available, items with the component can be enchanted in an enchanting table.
  • [Int] value: Positive integer, a higher value allows enchantments with a higher cost to be picked.

• e.g. enchantable={value:15}

• Added minecraft:equippable item stack component.

• [NBT Compound / JSON Object] minecraft:equippable: If present, this item can be equipped in the specified slot.
  • [String] slot: The slot to put the item on. Can be one of head, chest, legs, feet, body, mainhand, or offhand.
  • [String][NBT Compound / JSON Object] equip_sound: Sound event to play when the item is equipped. Defaults to item.armor.equip_generic.
    • A sound event see Template:Nbt inherit/sound event/template[show]
  • [String] model: The equipment model to use when equipped in namespace:id format. If not specified, will fall back to rendering as the item itself when in the head, offhand or mainhand slot (or no rendering if not applicable).​
  • [String][NBT List / JSON Array] allowed_entities: Entity ID, Entity Tag, or list of Entity IDs to limit which entities can equip this item. Defaults to all entities.
  • [Boolean] dispensable: Whether the item can be dispensed by using a dispenser. Defaults to true.
  • [Boolean] swappable: Whether the item can be equipped into the relevant slot by right-clicking. Defaults to true.
  • [Boolean] damage_on_hurt: Whether this item will be damaged when the wearing entity is damaged. Defaults to true.
  • [String] camera_overlay: The resource location of the overlay texture to use when equipped. The directory this refers to is assets/<namespace>/models/textures/<id>.

• e.g. equippable={slot:'chest',equip_sound:'item.armor.equip_chain'}.

• Added minecraft:glider item stack component.

• [NBT Compound / JSON Object] minecraft:glider: If present, this item will allow players to glide (as with elytra) when equipped.

• e.g. glider={}.

• Added minecraft:item_model item stack component.

• [String] minecraft:item_model: The resource location which will reference model /assets/<namespace>/models/item/<id>

• e.g. item_model="minecraft:diamond_sword"

• Added minecraft:repairable item stack component.

• [NBT Compound / JSON Object] minecraft:repairable: Items with this component can be repaired, if damageable, in an anvil using the specified ingredient.
  • [String][NBT List / JSON Array] items: The items that can be used to repair this item. Can be an item ID or an item tag with a #, or a list of item IDs.

• e.g. repairable={items:'stick'}

• Added minecraft:tooltip_style item stack component.

• [String] minecraft:tooltip_style: The resource location of the custom sprites for the tooltip background and frame which references textures /assets/<namespace>/textures/gui/sprites/tooltip/<id>_background and /assets/<namespace>/textures/gui/sprites/tooltip/<id>_frame.

• e.g. tooltip_style='minecraft:special_sword'.

• Added minecraft:use_cooldown item stack component.

• [NBT Compound / JSON Object] minecraft:use_cooldown: If present, this item will apply a cooldown to all items of the same type when it has been used.
  • [Float] seconds: The amount of seconds the cooldown will take place for.
  • [String] cooldown_group: The unique resource location to identify this cooldown group. If present, the item will be part of a cooldown group and no longer share cooldowns with its base item type, but instead with any other items that are part of the same cooldown group. Optional.

• e.g. use_cooldown={seconds:1.5, cooldown_group:"minecraft:custom_weapon"}

• Added minecraft:use_remainder item stack component.

• [NBT Compound / JSON Object] minecraft:use_remainder: If present, will replace the item with a remainder item if its stack count has decreased after use.
  • Tags common to all items see Template:Nbt inherit/itemnoslot/template[show]

• e.g. use_remainder={id:'minecraft:stick', count:1}

Gameplay

Attributes

• Added tempt_range attribute which can be used to change the range, in blocks, at which temptable mobs can be tempted.

Particles

• Added particles block_crumble and trail.
• block_crumble has the following options:
  • block_state: The block states of the block.
• trail has the following options:
  • color: Color of the trail.
  • target: Where the trail points at.

General

Game rule

• Added the disablePlayerMovementCheck game rule.
  • Controls the player movement speed restriction.
  • This behaves the same as the disableElytraMovementCheck rule, but applies irrespective of flying with Elytra
  • Default to false.

Goat horn instrument definition

• Goat Horn instruments are now data-driven.
• They are now defined in a data pack registry folder called instruments.
  • Like other registries, changing this content in data packs is considered experimental and requires a full world re-load to take effect.
  • Fields:
    • sound_event: The sound event the instrument plays.
    • range: The maximum range (in blocks) at which the sound can be heard.
    • use_duration: The amount of time (in seconds) the instrument is considered in use after triggering, which also serves as its cooldown.
    • description: A Text Component used as the description of the instrument in item tooltips.

High Contrast Resource Pack

• Added textures for the following:
  • Frame and background textures for tooltips.
  • Slot background and highlight textures for the Bundle tooltip (however, it's an empty transparent texture, and has no mcmeta file next to it).

Loot tables

• Chickens laying eggs is now controlled by a loot table found at gameplay/chicken_lay.
• Armadillos randomly dropping scutes is now controlled by a loot table found at gameplay/armadillo_shed.
• The loot given by Villagers is now controlled by two additional loot tables:
  • gameplay/hero_of_the_village/unemployed_gift - used if the Villager is unemployed.
  • gameplay/hero_of_the_village/baby_gift - used if the Villager is a baby.

Painting variant definition

• Added new optional fields author and title, holding text components to be displayed in the creative menu tooltip.
  • This replaces previous mechanism where those values were derived from variant name.
• Author tooltip has been removed for earth, wind, fire, water and wither variants.

Predicates

• Added a new field in the Player sub-predicate, input, that can be used to detect which movement keys the player is pressing.
  • If specified the predicate matches with the corresponding keybind that the player is pressing; it supports detecting the following input:
    • forward : boolean (optional).
    • backward : boolean (optional).
    • left : boolean (optional).
    • right : boolean (optional).
    • jump : boolean (optional).
    • sneak : boolean (optional).
    • sprint : boolean (optional).
• Added minecraft:salmon entity sub-predicate.
  • Fields:
    • variant: one of small, medium, large.

Recipes

• Added the crafting_transmute recipe type.
  • When matched, output will copy the input item stack, changing the item type but preserving all stack components.
  • This completely replaces crafting_special_shulkerboxcoloring.
  • Used for shulker boxes and bundles.
  • Fields:
    • category - crafting book category, one of building, redstone, equipment, misc
    • group - optional string
    • input - ingredient for item to copy
    • material - additional ingredient to use
    • result - item type to use for output

Tags

• Added the bats_spawnable_on block tag.
  • Controls the blocks that bats can spawn on.

• Added the following item tags:
  • brewing_fuel: Controls what items that can be used as fuel in a brewing stand.
  • bundles: Includes all Bundle Items.
  • duplicates_allays: Controls what items can be used to duplicate allays when dancing.
  • furnace_minecart_fuel: Items that can be used to refuel a furnace minecart.
  • gaze_disguise_equipment: Items that can be equipped to disguise the player looking for other mobs.
  • map_invisibility_equipment: Items that can be equipped to hide the player marker on other players' maps.
  • panda_eats_from_ground: Controls what items a panda will pick up from the ground and eat.
  • piglin_safe_armor: Items that, when worn by a player, will cause piglins to not get angry.
  • shulker_boxes: Includes all Shulker Boxes.
  • villager_picks_up: Items that a villager will try to pick up from the ground.
  • Added new tags to control which items can be used to craft and repair various tool sets:
    • wooden_tool_materials
    • iron_tool_materials
    • gold_tool_materials
    • diamond_tool_materials
    • netherite_tool_materials
  • Added new tags to control which items can be used to repair various armor sets:
    • repairs_leather_armor
    • repairs_iron_armor
    • repairs_chain_armor
    • repairs_gold_armor
    • repairs_diamond_armor
    • repairs_netherite_armor
    • repairs_turtle_helmet
    • repairs_wolf_armor

• Added the mace_smash damage tag.

• Added the boat entity type tag.

Changes

Mobs

General

• When a mob converts from one type to another (ex: piglin to zombified piglin), some of the original mob's data gets transferred to the converted mob.
• Mobs that split into several mobs rather than converting from one type into another do not transfer the following properties:
  • ArmorDropChances
  • ArmorItems
  • fall_distance
  • FallFlying
  • HandDropChances
  • HandItems
  • HurtByTimestamp
  • HurtTime
  • Leash
  • Motion
  • OnGround
  • Passengers
  • Position
  • Rotation
  • SleepingX
  • SleepingY
  • SleepingZ
• Some properties mentioned in MC-88967 are intentionally not transferred in any conversion:
  • Attributes
  • Gossips
  • Health
  • Loot tables
  • VillagerData
  • Xp

Non-mob entities

Boats and Boats with Chests

• The entity IDs for boats and boats with chests have been split into separate types, one per existing variant, instead of Type field.

Old ID	ExpandNew ID
boat	oak_boat
	spruce_boat
	birch_boat
	jungle_boat
	acacia_boat
	dark_oak_boat
	mangrove_boat
	cherry_boat
	bamboo_raft
chest_boat
	oak_chest_boat
	spruce_chest_boat
	birch_chest_boat
	jungle_chest_boat
	acacia_chest_boat
	dark_oak_chest_boat
	mangrove_chest_boat
	cherry_chest_boat
	bamboo_chest_raft

Command format

/ride

• No longer makes players ride leash knots, lightning bolts and fishing bobbers.

Data component format

• The title specified in the written_book_content component will now be prioritized over custom_name and item_name for any item with a non-empty title in this component.

• minecraft:food
  • The food component has been changed to become a data container which only holds the food stats applied when the item is consumed.
    • This component no longer gives it the ability to be consumed, and can be done instead with the new consumable component.
    • Removed the eat_seconds, using_converts_to and effects fields.

• minecraft:fire_resistant has been renamed to minecraft:damage_resistant
  • Has a new field: types, hash-prefixed damage type tag.
    • Items with this component, when in entity form, will be resistant to the damage types included in the tag.
    • This component also affects whether the equipped item will be damaged when the wearer is hurt by a given damage type.

• minecraft:item_name
  • This component is now always present on every item.
  • Name provided by this component always has the lowest priority.
    • That means it will be overridden by components like minecraft:potion_contents.

• minecraft:potion_contents
  • Added optional string field custom_name.
    • When present, it will be used to generate containing stack name.
    • For example, if value is foo and item is minecraft:lingering_potion, the name of item will be translation of item.minecraft.lingering_potion.effect.foo.

Gameplay

Attribute

• Attribute IDs no longer have generic., player., and zombie. prefixes.

Particles

• The format of color fields in particle options is now more standardized:
  • RGB fields can always be encoded either as a vector of floats (order: [R,G,B]) or as a single packed integer (order: RGB).
  • ARGB fields can always be encoded either as a vector of floats (order: [R,G,B,A] or as a single packed integer (order: ARGB).
  • Changed fields:
    • minecraft:trail.color (previously accepted only integer).
    • minecraft:dust.color (previously accepted only vector of floats).
    • minecraft:dust_color_transition.from_color (previously accepted only vector of floats).
    • minecraft:dust_color_transition.to_color (previously accepted only vector of floats).

General

Advancements

• The trigger minecraft:killed_by_crossbow has been renamed to minecraft:killed_by_arrow.
  • Will now trigger whenever an Arrow kills an entity, not just when fired from a crossbow.
  • Has a new optional Item Predicate field, fired_from_weapon.
    • Can be used to match the item used to shoot the arrow.

Container Locks

• The Lock field of containers has been renamed to lock and is now an item predicate.
  • Any items which match the predicate can open the container.
• The lock data component is now also an item predicate.

Data pack

• The pack format version is now 57.
  • Trial Spawner configurations in fields normal_config and ominous_config are now defined in registry trial_spawner.
    • This allows for easier customization of Trial Spawner configurations in data packs.
    • Inlined configuration data is still supported.
  • Entities' rotation on the x axis is now clamped between -90 and 90.
  • /loot command now returns an error when trying to drop from a block without a loot table (like air).
  • The cooldownGroup field in food item stack component has been renamed to cooldown_group.
  • Removed the bundle feature flag and built-in datapack.

Enchantment definition

• Added support for enchantment trigger projectile_spawned in the following items:
  • Snowballs
  • Tridents
  • Small Fireballs
  • Thrown Potions
  • Ender Pearls
  • Fishing Rod
  • Firework Rocket
  • Wind Charge
  • Eggs
• Entity effect damage_item has been renamed to change_item_damage and now allows a negative value.

Loot tables

• Special loot table empty has been removed and is no longer defined in vanilla data pack.
• Sheep now always uses a single loot table entities/sheep.
• Wool drops are still defined in sub-tables in entities/sheep/<color>, but they are now just dispatched from the main table.
  • Note: mutton drop is now controlled by the main table, while sub-tables are responsible only for wool drop.
• Sheep shearing is now controlled by loot table found as shearing/sheep.
• Mooshroom shearing is now controlled by loot table found as shearing/mooshroom.
• Snow golem shearing is now controlled by a loot table found as shearing/snow_golem.
• The tool value (used for functions like match_tool) is now available for some additional loot table types.
  • archaeology - used brush.
  • vault - inserted key (not available when displaying items).
  • shearing - shears.

Models

• All item models can now use the broken property in model overrides that was previously limited to just the elytra.
  • This will have a value of 1 if the item has 1 durability left, or 0 otherwise.
• The appearance of equipment when equipped by players or certain mobs can now be customized by defining 'equipment models' in the Resource Pack.
  • Equipment model definitions are loaded from assets/<namespace>/models/equipment/<path>.json
    • These can then be referenced by the equippable component with a model id of namespace:path
  • The model definition is an object with fields: wolf_body, horse_body, llama_body, humanoid, humanoid_leggings, wings
    • All fields are optional, and can be used to specify a list of layers for the given model layer type
    • Each field contains list of layer objects:
      • texture: namespaced texture location for this layer
        • namespace:path will resolve to assets/<namespace>/textures/entity/equipment/<layer_type>/<path>.png
      • dyeable: object with fields (optional), specifying how this layer behaves when dyed (in the dyeable item tag, and has dyed_color component)
        • color_when_undyed: RGB color integer (optional)
        • If specified, this layer will be tinted by the color contained in the dyed_color component
          • If the item is not able to be dyed or is not currently dyed, then it will be tinted based on the color specified by color_when_undyed
          • If color_when_undyed is not specified and the item is not dyed, the layer will be hidden
      • use_player_texture: boolean (default: false), true if this layer texture should be overridden by a texture given by the player
        • Only used for wings layers, which will override with the player's custom elytra texture

Network Protocol

• Added minecraft:client_tick_end server-bound packet during play phase, sent when the client finishes processing its current tick.
• Added ability for custom servers to override the order that players appear in the 'tab list'.
  • This is controlled by a non-negative ordering index that is sorted highest to lowest.
• The client now shares the state of the 'Particles' limiter option to be used by custom servers.

Predicate

• New entity sub-predicate for testing sheep wool.
  • Fields:
    • sheared - optional boolean.
    • color - optional wool dye color.
• Removed the minecraft:boat entity sub-predicate, since boats no longer have variants.

Raw JSON text format

• Invalid selector patterns in chat components will now cause commands to fail to parse, instead of resolving to an empty string.

Realms

• Extended the text-filtering-config in order to support an internal migration for Realms profanity filtering.
  • Servers currently utilizing the text-filtering-config will be able to continue to do so without any changes.

Recipes

• The crafting_special_suspiciousstew recipe type has been removed.
• The format used for recipe ingredients has been simplified and aligned with other fields that accept item lists (like item predicates):
  • For items: { "item": "<item id>" } now becomes "<item id>".
  • For tags: { "tag": "<tag id>" } now becomes "#<tag id>".
  • Lists of items are still allowed, but tags can no longer appear in such list.
  • Remaining restrictions:
    • minecraft:air can't appear anywhere in ingredient.
    • ingredient must have at least one tag or item.
  • Fields template, base and addition in smithing_transform and smithing_trim recipes are now optional instead of accepting empty list.

Resource pack

• The version is now 42.
• Removals and renames of some deprecated translations is now automatically applied at startup.
  • Packs that used those translations will need to re-add them manually.
  • The full list is available in /assets/minecraft/lang/deprecated.json file inside the game's built JAR file.
• Updated the format of post-processing effect definitions.
  • The ChunkOffset uniform in terrain shaders has been renamed to ModelOffset
  • intarget and auxtargets have been merged into a single inputs list, as specified by the input format below.
  • outtarget has been renamed to output with the same format.
  • targets is now a map between target name and target definition, as opposed to a list.
    • Inline target names are replaced with an empty object.
      • For example, ["swap"] becomes {"swap": {}}
    • Target definitions with a specific size remain the same, with the name field moved into the map key.
      • For example, [{"name": "potato", "width": 16, "height": 16}] becomes {"potato": {"width": 16, "height": 16}}
• Added support for emissive layers for block models.
  • Added an optional light_emission field to block model elements.
  • Integer value between 0 and 15, with 0 being the default value of no light emitted.
  • If specified and non-zero, this will behave as the minimum light level that the element can receive.
• The texture map for the arrow and bee stinger models have been updated.
• The model and UV mapping of the Dragon Egg have been updated.
• The tooltip background and frame may now be customized by replacing sprites:
  • tooltip/background: The background of the tooltip
  • tooltip/frame: The frame appearing around the tooltip
  • Items with a custom tooltip_style component will use sprites with IDs:
    • <namespace>:tooltip/<path>_background and <namespace>:tooltip/<path>_frame
• The nine_slice GUI sprite scaling mode has a new optional boolean (true or false) property: stretch_inner
  • If true, the inner parts of the texture (i.e. not the corners) will be stretched instead of tiled
  • If not specified, defaults to false as before.
• The appearance of a highlighted slot can now be customized by replacing sprites (this supports the use of animated textures):
  • container/slot_highlight_front: The sprite to render in front of highlighted slots.
  • container/slot_highlight_back: The sprite to render behind highlighted slots.
• Likewise, the appearance of a highlighted item within the Bundle can be customized with the following sprites:
  • container/bundle/slot_highlight_front.
  • container/bundle/slot_highlight_back.
• The appearance of highlighted items has been updated to improve visibility of the item.
• The models and UV mapping related to the torch and blocks containing redstone torch have been updated.
  • The "inverted" model now uses 6 separate faces creating the same effect as a model with a negative size.
  • The UV layout for the inverted model was updated.
• Added texture and sound for tweaked air bubble UI.
  • New texture added for empty air bubble.
  • Sound added for when air bubble pops.
• Added container/bundle/slot_background texture for bundle slot background.

Server

• Temporary option for ignoring connection errors on client side (strictErrorHandling) has been removed.

server.properties

• Added the option pause-when-empty-seconds.
  • When set to a positive value, causes the server to pause when no player has been online for that many seconds.
  • Defaults 60
• Removed the options: spawn-animals and spawn-npcs

Shaders

• Shader program configurations can now specify preprocessor define directives to apply to their linked shaders.
  • Many shader implementations have been merged by making use of this
• The format of core shader and post-processing shader configurations have been consolidated
• The rendertype_entity_glint_direct shader has been removed (replaced by rendertype_entity_glint)
• The rendertype_entity_translucent_cull shader has been removed (replaced by rendertype_item_entity_translucent_cull)

Telemetry

• Added some information about data pack structure (for example, data-driven registries) to generated reports.

Textures

• All equipment-related textures were moved to subfolders of the textures/entity/equipment directory.
  • Player armor textures were moved to textures/entity/equipment/humanoid and textures/entity/equipment/humanoid_leggings
    • <material>_layer_1 textures were renamed to <material>, and moved into the humanoid subdirectory.
    • <material>_layer_2 textures were renamed to <material>, and moved into the humanoid_leggings subdirectory.
    • leather_layer_1_overlay and leather_layer_2_overlay textures were renamed to leather_overlay in their respective subdirectories.
  • wolf_armor and wolf_armor_overlay textures have moved to textures/entity/equipment/wolf_body/ and were renamed to armadillo_scute and armadillo_scute_overlay respectively.
  • turtle_layer_1 has been renamed to turtle_scute.
  • Llama decor textures were moved to textures/entity/equipment/llama_body
  • Horse armor textures were moved to textures/entity/equipment/horse_body
  • The Elytra texture has been moved to textures/entity/equipment/wings/elytra
• Armor trim textures have also been moved to match the folder structure of the regular equipment textures.
  • Textures in textures/trims/models/armor were divided between textures/trims/entity/humanoid and textures/trims/entity/humanoid_leggings
  • For leggings textures, the _leggings suffix is dropped.

Trims

• All equippable items with an equipment model defined support rendering trims, based on the trim component.
• Trim textures will be loaded from the appropriate folder in the textures/trims/entity directory.
  • For example, armor with wolf_body layers will fetch trims from textures/trims/entity/wolf_body

Removals

World generation

Feature

• Removed unused seagrass_simple feature.

Fixes

310 issues fixed

From released versions before 1.21

• MC-379 – spawn-animals and spawn-npcs=false removes all villagers and prevents summoning new mobs.
• MC-1673 – Several mobs can pop off paintings, item frames and leads and destroy minecarts, armor stands and anything in item form even when mobGriefing is turned off.
• MC-3266 – The player's experience level overflows once it exceeds the integer limit.
• MC-3697 – TNT submerged in water can destroy item frames, paintings, armor stands, and other similar entities.
• MC-4665 – Anvil consuming two unbroken items of the same kind when renaming them.
• MC-13246 – On certain enchanted items, the anvil will display a "too expensive" message before attempting to repair, combine, or rename them
• MC-14800 – When zombie villagers, husks, drowned or zombified piglins are damaged, they spawn regular zombie reinforcements.
• MC-16829 – The horse armor model does not show the enchantment glint effect.
• MC-38022 – Order of rendering translucent block faces fails to update with camera position.
• MC-39263 – Cannot set horizontal motion for squid on land.
• MC-49628 – When in Spectator mode, the head overlay shows even if it is set not to show in the skin customization options.
• MC-53602 – Projectiles don't collide with the world border.
• MC-54532 – Sneaking while falling on Slime Blocks inflicts fall damage.
• MC-58294 – Squids and glow squids do not collide properly with solid blocks.
• MC-59471 – String can be duplicated using tripwire hooks.
• MC-64265 – Teleporting passengers does not dismount them.
• MC-72494 – In Statistics screen "m" is the same unit for both minutes and meters.
• MC-73178 – Villagers' "CanPickUpLoot" tag cannot be set to zero.
• MC-75494 – Lead item drop is not affected by doEntityDrops gamerule.
• MC-86252 – Shields can continue to block after entity changes dimensions due to client and server desync.
• MC-88967 – Most NBT tags are not kept when a mob converts to another mob.
• MC-89883 – Squid and glow squid collision error and rubberbanding.
• MC-92875 – Collisionless blocks ignore entities with high velocity.
• MC-101376 – Elytra appearance doesn't update in first-person mode; only in third-person.
• MC-108323 – Underlines in chat and /title command intersect each other, causing an ugly effect when fading.
• MC-112257 – Some NBT tags require the correct suffix.
• MC-119369 – Boats crash/break and can kill their passengers when falling certain distances.
• MC-120417 – The dragon egg block model is incorrect.
• MC-121013 – "follow_range" attribute only targets mobs on (roughly) the same Y level.
• MC-124331 – Redstone lamps do not show on maps.
• MC-125642 – Bone meal is consumed when used on fern, grass and seagrass even if it cannot grow.
• MC-127995 – The player can use bone meal on sea pickles in situations where no sea pickles will grow.
• MC-129055 – Issues breaking tripwire with shears.
• MC-129298 – Drowned don't chase the player if they are in 1 block deep water.
• MC-129826 – ["shade": false] is missing from potted cross models, resulting in most potted plants appearing darker than they should.
• MC-130097 – Tropical fish fin UV mapping is wrong.
• MC-131215 – Cannot teleport an entity which is in a boat.
• MC-132804 – Low follow range attribute also affects mobs' idle wandering range.
• MC-133862 – Optimize world screen backup button has inaccurate text.
• MC-134626 – Squids/glow squids bounce up and down in bubble columns, teleporting high up in the air.
• MC-135898 – Teams are not retained when a mob converts to another mob.
• MC-135971 – Can't use Ctrl+Q in crafting table.
• MC-137053 – The player cannot set the "CanBreakDoors" NBT tag of drowneds to "1b".
• MC-144327 – The bottom face texture of a blaze's rods is the same as their top face texture.
• MC-144761 – Animated texture interpolation ignores alpha channel during transition from/to transparent pixels.
• MC-145656 – Attribute "follow_range" is not working for hostile mobs before they find the target.
• MC-146805 – Trader Llamas don't attack zombies, drowned, husks, zombie villager and illagers.
• MC-148041 – Two separate translation lines for the same thing, "Bells Rung" statistic.
• MC-148982 – Map color for wheat is incorrect.
• MC-151828 – Woodland mansion structure "1x1_b3" has dark oak leaf block with persistent tag set to "false".
• MC-154053 – Trader llama spitting far distance when attacked.
• MC-156579 – Creative players can fly through portals when going quickly enough using elytra or Riptide trident.
• MC-158389 – Raid results in victory if it cannot find a valid spawn point.
• MC-161913 – Misalignment on edges/corners of clouds.
• MC-162551 – When shooting an arrow on top of a player in Creative mode, a closed shulker, or an invincible mob, the arrow glitches around on top of the entity.
• MC-162713 – Clouds are generated with offset to east and south.
• MC-164258 – Recipe book search field is not selected when clicking on the search icon.
• MC-165182 – Inventory/GUI textures no longer handle translucent pixels correctly.
• MC-166880 – Pufferfish spikes model seems to be broken.
• MC-167242 – Bed stays occupied after a lightning turns the villager sleeping in it into a witch.
• MC-167906 – Beehive items at full honey level do not appear with honey in inventory/as item/in hand.
• MC-168329 – Bees do not leave their hives in the Nether/End in some cases.
• MC-168546 – Bee nest/hive items have no lore.
• MC-169660 – /teleport without <targets> can change the entity's rotation
• MC-170863 – Dropping item stacks from the player's hotbar in any creative inventory tab other than "Survival Inventory" deletes items.
• MC-174214 – Fireworks for crossbow go through an entity if it is close to a player.
• MC-174732 – Semi-transparent status effect textures do not render correctly in the inventory or beacon UI.
• MC-176937 – Deleting items using the drop key while a tab is open in the Creative inventory plays hand animation, even if the item isn't dropped.
• MC-177452 – Unneeded faces inside repeater models.
• MC-177453 – Unneeded faces inside comparator models.
• MC-179629 – Faces in between cloud "blocks" can still render from outside of the cloud.
• MC-180272 – en_us.json contains unused strings.
• MC-182478 – Mob armor generates starting with boots rather than helmet.
• MC-182877 – Piglins use one hand to hold a loaded crossbow.
• MC-183518 – High CPU usage on hypervisor host possibly due to excessive syscall usage by Minecraft server.
• MC-183636 – follow_range attribute not working for piglins.
• MC-185144 – Item durability bar and all items render incorrectly in the villager trade UI.
• MC-186362 – Casting issue: Translucent block rendering breaks down at high distances.
• MC-187920 – Bees sometimes give up when returning home.
• MC-188217 – Bees circle above flowers that are covered by all sides.
• MC-190163 – Zoglin spawn eggs don't occasionally spawn baby zoglins on their own accord.
• MC-190484 – Sneaking players' name tags are partly invisible depending on what angle you're facing.
• MC-191431 – Player spectator head is invisible/does not render in the inventory after switching to "Fabulous!".
• MC-195754 – Illagers in raids continuously try and fail to pick up ominous banners if they can't reach them.
• MC-196556 – When projectiles (such as arrows and tridents) move too fast, they can't be teleported by portals and end gateways.
• MC-196736 – Hoglins break their leash when zombifying, despite zoglins being leashable.
• MC-196964 – Fall damage is reset when an entity converts to another entity.
• MC-199238 – Unneeded faces and missing cullface in dragon egg model.
• MC-203748 – Filled lava cauldrons are able to be put under water.
• MC-204050 – Subtitle for shooting amethyst blocks is "Block breaking".
• MC-206074 – Survival tab of Creative inventory desyncs if changed manually after an external change.
• MC-206436 – Stonecutter ignores anything over 64 when shift-clicking.
• MC-207101 – When a lingering potion lands on top of a player/mob, the area effect cloud spawns above the player/mob instead of inside it, rendering the lingering potion useless.
• MC-209947 – minecraft:block/scaffolding_unstable has incorrect cullfaces.
• MC-212213 – Squids unable to be affected by Knockback enchantment.
• MC-214625 – Unlit redstone torches are unaffected by block shading / are evenly lit on all sides.
• MC-214662 – Redstone torches on repeaters and comparators are shaded differently from normal redstone torches.
• MC-215332 – Glow squids lack a baby variant.
• MC-215752 – Z-fighting with paintings and item frames in solid blocks.
• MC-216016 – Launching fireworks into a crystal sound block will make the breaking noise.
• MC-219083 – Hunger client/server desync when natural regeneration is off in peaceful mode.
• MC-220360 – Gifts given by baby villagers, nitwits and unemployed villagers when under the Hero of the Village effect are hardcoded.
• MC-224035 – Small dripleaf's model is inconsistent.
• MC-224454 – Entities don't recognize azaleas or flowering azaleas as obstacles when pathfinding.
• MC-225060 – Burning entity sound repeats every tick.
• MC-225270 – Goats can move armor stands even with mobGriefing turned off.
• MC-225417 – Squids and glow squids can break free from leads when attacked.
• MC-225422 – Squids and glow squids do not move smoothly in the water compared to other aquatic mobs.
• MC-226038 – Scheduled functions are part of weather in profile results.
• MC-226687 – Sea Level is assumed to be Y=63 in numerous parts of Minecraft.
• MC-227139 – Sky fog stutters.
• MC-228070 – Name tags rendered in blocks have letters brighter depending on your angle.
• MC-230317 – Lead disappears when mooshroom cow is sheared.
• MC-233603 – HUD / Hotbar rendering can heavily impact frame rate performance.
• MC-234318 – Small dripleaf stems intersect its leaves.
• MC-235953 – Entity eyes render type doesn't blend non-black transparent pixels properly.
• MC-239581 – Bees do not become angry at the closest player when hive is exploded.
• MC-240001 – The white and red highlights from recipe book previews render above potion tooltips.
• MC-240948 – Filled powder snow cauldrons are able to be put under water.
• MC-241873 – Ravagers can move armor stands even with mobGriefing turned off.
• MC-243413 – Some explorer maps are missing their icon.
• MC-244720 – "Erased cached data" button in Optimize World is not labeled in the right order when using Tab ↹.
• MC-245510 – Piglin brute's generic.follow_range attribute functions oddly.
• MC-247238 – Sky fog is not cylindrical.
• MC-249067 – Ominous banners lose their rarity color when renamed using anvils.
• MC-249414 – The "Shader rendertype_entity_translucent_emissive could not find sampler named Sampler2 in the specified shader program." warning is logged in the game output console when launching the game.
• MC-249901 – Frogs don't play the frog eating sound when given a slime ball.
• MC-250924 – Goat horns are missing sounds.
• MC-256422 – Some words within some strings use right single quotation marks instead of apostrophes.
• MC-257309 – Monster spawner tries to spawn wardens and zoglins when the difficulty is Peaceful.
• MC-257318 – Non-transparent toasts and some buttons that should be transparent in custom Resource Pack.
• MC-258971 – ClientboundUpdateRecipesPacket breaks after multiple recipes use big tags.
• MC-259376 – ServerboundMovePlayerPacket's xRot can have invalid value.
• MC-259651 – updateSkyBrightness() is not used client-side, causing multiple issues.
• MC-259687 – "Distance by Elytra" statistic is approximately doubled.
• MC-259798 – Block hitboxes cause semi-transparent blocks not to render behind them in lower than "Fabulous" graphics settings.
• MC-259936 – Equipping armor in hand via right-click equips entire stack.
• MC-260013 – Baby llama's head has incorrect scale method.
• MC-260537 – Tree growth can replace leaves that have the persistent block state set to true.
• MC-260858 – The word "ticks" within a "/schedule" command feedback message is always pluralized.
• MC-260859 – Some words within a tick profiling feedback message are always pluralized.
• MC-260860 – Some words within some chat delay strings are always pluralized.
• MC-260913 – The word "blocks" within some "/spreadplayers" command feedback messages is always pluralized.
• MC-260914 – "/spreadplayers" strings for entities consist of inconsistent noun usage.
• MC-261666 – Armor given to villagers is lost when they convert to zombie villagers.
• MC-261691 – Bees get stuck while trying to pathfind to inaccessible flowers.
• MC-262112 – Wither skull's bounding box is wrongly positioned in the first tick, and cannot be selected with volume checks in commands.
• MC-262175 – The "advancements.adventure.trim_with_any_armor_pattern.description" text contains incorrect English grammar.
• MC-262498 – Underground seagrass feature files exist despite never generating.
• MC-262598 – Tripwire textures in the tripwire hook "attached: true" state have a wrong black rendering when the tripwire hook is attached to a non-transparent block.
• MC-262652 – Dragon egg's side texture is mapped strangely as of 1.8 (and the model is also unoptimized).
• MC-263838 – doLimitedCrafting gamerule does not work on suspicious stew.
• MC-263858 – Text displays are rendered differently compared to name tags.
• MC-264886 – Geode features ignore the invalid_blocks field.
• MC-264986 – Item count of fuel slot affects the way smelting recipe book moves ingredients.
• MC-265399 – Players' heads are incorrectly positioned while exiting the swimming/crawling state when other players are on screen.
• MC-265554 – Aaron Cherof listed as "Aaron Cherof\u00a0" in credits.json.
• MC-265693 – Movement does not reset a player's last action time.
• MC-265695 – The feedback for setting the idle timeout to 0 minutes does not reflect the actual behavior.
• MC-265703 – BrushableBlock's codec misspells "completed" as "comleted".
• MC-265990 – Burning arrows can light candles and cakes with candles outside the world border.
• MC-266441 – Multiple trial chambers templates have missing or incorrect blocks.
• MC-266480 – Breeze can jump on top of honey blocks.
• MC-266494 – Jump Boost does not affect the breeze's jump.
• MC-266949 – Monster spawner tries to spawn breezes when the difficulty is Peaceful.
• MC-267006 – The "Distance Flown" statistic rapidly increases when standing in ender dragon's hitbox.
• MC-267107 – Spawners unsuccessfully try to summon hostile entities on Peaceful difficulty.
• MC-267308 – Profiling with F3 + L while game is frozen spams output with errors.
• MC-267401 – All the player skin report's category descriptions use the chat message ones.
• MC-267838 – Projectile yaw rotations have incorrect interpolation, causing flickering.
• MC-268045 – The name of entity argument is plural in query literal node of the /experience command.
• MC-268220 – Zoglins ignore monster spawning requirements when spawning naturally.
• MC-268241 – The bottom faces of vaults aren't culled when covered by blocks.
• MC-268518 – Attribute generic.luck only affects players.
• MC-268528 – Cave vines can be pollinated infinitely (instead of limit of 10).
• MC-268645 – Scheduling a macro function silently fails.
• MC-268929 – pack.png does not support translucent pixels.
• MC-269083 – Effect background texture in inventory renders translucent pixels as opaque.
• MC-269152 – nine_slice texture scaling will cause ridiculous levels of lag when used on small textures.
• MC-269352 – The breeze rod uses an incorrect model for holding.
• MC-269375 – Breeze's wind charge attack can move or break armor stands when mobGriefing is disabled.
• MC-269376 – Breeze fires wind charge from center of hitbox.
• MC-269428 – Mace fall damage multiplier does not apply to mobs.
• MC-269440 – Text fields render translucent pixels as opaque.
• MC-269441 – Difficulty lock button renders translucent pixels as opaque.
• MC-269445 – Some empty slot icons render translucent pixels as opaque.
• MC-269447 – Hover text background box cannot be retextured.
• MC-269528 – Recipe book tabs are rendered over items held by the mouse cursor.
• MC-269549 – Items held in cursor are rendered behind recipe book UI elements.
• MC-269622 – Previous/Next Page buttons render translucent pixels as opaque.
• MC-269627 – Toasts render translucent pixels as opaque.
• MC-269656 – Feeding parrots poison while holding mace grants Over-Overkill challenge.
• MC-269715 – Food won't be eaten when the component food.eat_seconds is less than 0.05.
• MC-269738 – Recipe book cannot quick-move oversized item stacks into applicable recipe slots.
• MC-269751 – Advancement frames render translucent pixels as opaque.
• MC-269814 – Can’t feed fish to wolves.
• MC-269832 – Gamemode switcher sprites render translucent pixels as opaque.
• MC-269834 – Statistics screen sprites render translucent pixels as opaque.
• MC-269851 – Breeze idle animations are different than Bedrock Edition.
• MC-269873 – Egg laying drop from chickens is hardcoded.
• MC-269895 – Breezes missing higher fidelity jump animation from Bedrock Edition.
• MC-269936 – Transferable list (resource pack, data pack) screen buttons render translucent pixels as opaque.
• MC-269937 – World list buttons render translucent pixels as opaque.
• MC-269996 – Custom names of interaction entities render at wrong location.
• MC-270051 – Recipe book button renders translucent pixels as opaque.
• MC-270113 – Trial spawner ominous_config doesn't save setting values to default.
• MC-270183 – Lingering potions do not give effects when hit on the target's head.
• MC-270254 – Item slot highlight effect cannot be retextured.
• MC-270299 – New data pack component crafting doesn't work with suspicious stews.
• MC-270314 – "Use a Bundle" toast pops up repeatedly if player constantly left-clicks on a bundle while holding an item.
• MC-270348 – Some slime trial spawners in trial chambers won't spawn slimes without player intervention.
• MC-270510 – youJustLostTheGame is not the first item in the mappings.
• MC-270518 – Scrollers in block UIs render translucent pixels as opaque.
• MC-270519 – "Error" textures in block/entity GUIs do not support translucent textures.
• MC-270563 – Furnace, blast furnace and smoker smelting progress and burn time indicators do not support translucent textures.
• MC-270564 – Brewing stand fuel, bubbles and progress sprites do not support translucent textures.
• MC-270570 – TPS chart uses OS locale specific number formatting.
• MC-270571 – /tick command uses OS locale specific number formatting.
• MC-270614 – A trapdoor in chamber_8 is rotated the wrong way.
• MC-270640 – Anvil text field does not support translucent textures.
• MC-270641 – Crafter UI sprites do not support translucent pixels.
• MC-270678 – Tabs in recipe book and Creative inventory do not support translucent pixels.
• MC-270680 – Buttons in the beacon GUI do not support translucent pixels.
• MC-270692 – Textures for empty slots do not support translucent pixels.
• MC-270696 – Traps are generated behind walls in trial chambers.
• MC-270697 – Stonecutter recipe buttons render translucent pixels as opaque.
• MC-270698 – Loom recipe buttons render translucent pixels as opaque.
• MC-270726 – Advancement backgrounds render translucent pixels as opaque.
• MC-270741 – Realms main menu icons do not render translucent pixels correctly, but accessibility/language icons do.
• MC-270742 – Displays don't rotate properly between 179 and 180.
• MC-270764 – Recipe book buttons and icons do not render translucent pixels correctly.
• MC-270765 – Bundle background does not handle translucent pixels correctly.
• MC-270775 – Ominous vaults sometimes fail to generate.
• MC-271113 – Bees occasionally freeze right before they enter the hives.
• MC-271191 – Poor saving performance due to large amount of item frames.
• MC-271826 – Armor default attribute modifier component can't be removed.
• MC-271961 – Parity Issue: No empty bubbles on the oxygen bar and popping sound.
• MC-272020 – Players' capes don't move with the yaw of their bodies when swinging.
• MC-272414 – Redundant calculation causes 2x lag during explosions.
• MC-272506 – Fast switching between servers causes disconnect.

From 1.21

• MC-271486 – The tree in the "entrance_1" room of trial chambers is not removed.
• MC-271628 – Enchantment effect "projectile_spawned" doesn't trigger for fishing rods and tridents.
• MC-272207 – Trial chambers no longer generate a bed in the secret room nearing the entrance.
• MC-272327 – Attribute effects not properly postfixed with slot name.
• MC-272345 – Some trial spawners don't have an extra breeze out at once when ominous.
• MC-272603 – Riding an entity into the end fountain skips the credits.
• MC-272643 – Items containing using_converts_to cannot be stacked with the original items after restarting the world.
• MC-272649 – After a chest with the item component "container_loot" is opened, it will appear on the subsequent pick block.
• MC-272670 – Crash while saving entity NBT - Cannot encode empty ItemStack.
• MC-272766 – When riding a minecart through a portal, the direction the player is facing after they go through the portal is not the same as when they entered.
• MC-272802 – Ender pearls deal no damage to their owners after switching dimensions and landing.
• MC-272804 – The mining fatigue animation plays in reverse.
• MC-272805 – Command blocks made from pick block still do not activate when placed near sources of power.
• MC-272821 – Wind charges incorrectly negate fall damage.
• MC-272932 – Auto-save text in the pause menu is rendered at the wrong position.
• MC-272946 – The block outline is nearly invisible for some blocks.
• MC-273076 – Breeze immediately forgets the player once line of sight is lost, even through transparent blocks.
• MC-273239 – Trial spawners rapidly change block state when switching gamerule "doMobSpawning" from false to true.
• MC-273263 – Attributes are retained even if destroyed by "damage_item".
• MC-273281 – "projectile_spawned" enchantment component runs predicates and effects on projectiles before all of their data has been assigned.
• MC-273288 – Dropping a stack of items while in the Creative mode inventory deletes them.
• MC-273300 – Horse armor and wolf armor swap from off-hand to main hand upon pressing the Use Item/Place Block key.
• MC-273311 – Taking near Float.MAX_VALUE damage from mob attack through commands on Hard causes NaN Absorption and Health.
• MC-273328 – Stars are smaller than supposed to.
• MC-273329 – Drinking milk buckets in Creative mode gives empty buckets.
• MC-273361 – Entities teleported to the player from a force loaded chunk are not rendered.
• MC-273377 – Blocks can be edited without having a debug stick in the player's hand.
• MC-273400 – Baby zombified piglin chicken jockeys immediately teleport.
• MC-273427 – Respawn anchor loses charges when returning from the End.
• MC-273464 – Incorrect partial tick during screen render.
• MC-273489 – Sneaking players' name tags are barely visible.
• MC-273578 – Interaction entities position passengers incorrectly.
• MC-273601 – The Channeling enchantment no longer functions on tridents without an owner.
• MC-273629 – Adding effects with an effects_changed advancement causes a packet error (ConcurrentModificationException) if it was triggered by milk.
• MC-273662 – Trial spawners cannot spawn silverfish at all/have unusually long delays between spawns.
• MC-273672 – When spectatorsGenerateChunks is set to false, the player cannot stop spectating an entity without running /spectate.
• MC-273745 – Soul Speed momentum resets when jumping on soul sand.
• MC-273758 – Ominous item spawner's animation breaks if the level.dat "Time" value is over a certain number.
• MC-273771 – Passengers can glitch into walls when their mounts are killed.
• MC-273811 – Ender pearls don't teleport the player if they haven't been in the pearl's dimension after relog.
• MC-273812 – Intersection chests in trial chambers not generating correctly.
• MC-273822 – The words "forwards" and "backwards" within two movement key bind strings aren't spelled in American English.
• MC-273828 – Movement predicate is incorrect for stationary players until either mouse is moved or one second elapses.
• MC-273848 – Players can spawn underwater again in 1.21.
• MC-273850 – Shield enchantment glint is too bright to clearly see banner patterns.
• MC-273914 – Client game options that do not constitute sending a network packet will send one anyway.
• MC-273939 – Capes clip through the player when taking knockback.
• MC-273960 – The NBT data stored in the world affects copying a decorated pot in Creative mode.
• MC-274030 – Item stacks with a count over 99 cause the player to get kicked from their world in Creative mode.
• MC-274244 – minecraft:villager_plantable_seeds tag does not allow farmer villagers to pick up items.
• MC-274371 – Depleting a respawn anchor doesn't play any sound.
• MC-274372 – using_item advancement trigger keeps being activated even after the item stops being used, after teleporting to another dimension.
• MC-274400 – Dispensers firing a wind charge play the crafter crafting world event, showing incorrect particles beneath the block.
• MC-274519 – Minecraft resaves all maps with every autosave.
• MC-274657 – Ominous banner's orange name is handled as a custom text color, rather than as a rarity.
• MC-274708 – Exiting the end portal first time removes player attribute modifiers.
• MC-274852 – "item_name" component has priority over signed book title.
• MC-274911 – If the raid begins more than 112 blocks above the ground, all illagers will be summoned and the player wins.
• MC-274960 – Registries allow duplicate entries.
• MC-275011 – Instant mine does not work when standing inside of cobwebs.

From 1.21.1

• MC-275792 – Bottom faces of torches and soul torches are not culled against solid blocks.
• MC-275919 – issues with hit detection/registration in PvP since server switch to 1.21.
• MC-275998 – Menu blur turns glowing outlines black.
• MC-276005 – The text of sneaking players' name tags is rendered completely invisible or barely visible when the "Text Background Opacity". accessibility option is set to high values.
• MC-276007 – Players' name tags that are behind blocks or entities are rendered invisible or partly invisible depending on the angle you're facing.
• MC-276134 – Can't scroll in Creative inventory while hovered over the bundle.
• MC-276433 – set_enchantments function removes enchantments component from books.
• MC-276459 – Item display rotation wrapping does not interpolate cleanly.
• MC-276852 – Shulker boxes can be colored in the same color they are made of.

Private bugs

• MC-273555 – Using a crossbow enchanted with Quick Charge 0 crashes the game.