Minecraft:Java Edition 24w33a

24w33a is the first Minecraft:snapshot for Minecraft:Java Edition 1.21.2, released on August 15, 2024,<ref>Template:Snap</ref> which updates Minecraft:bundles, adds the Minecraft:Minecart Improvements and Minecraft:Redstone Experiments experimental data packs, makes various changes, and fixes bugs.

Additions

Items

Minecraft:Banner patterns

• Added two new banner patterns for parity with Template:BE:
  • File:Field Masoned Banner Pattern JE1 BE2.png Minecraft:Field masoned banner pattern
  • File:Bordure Indented Banner Pattern JE1 BE2.png Minecraft:Bordure indented banner pattern

Mobs

Minecraft:Dolphins, Minecraft:glow squid, Minecraft:squid

• Now have a baby variant.
  • Due to a bug, baby dolphins do not spawn naturally.<ref>Template:Bug</ref>

Minecraft:Salmon

• Now have small and large variants.

Non-mob entities

Minecraft:TNT and Minecraft:minecart with TNT

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

Gameplay

Minecraft:Attributes

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

Minecraft:Death messages

• Added a new death message for when killed by a mace smash attack.
  • Template:Ph was smashed by Template:Ph
  • Template:Ph was smashed by Template:Ph with Template:Ph

Minecraft:Sounds

• Added unique break, fall, hit, place, and step sounds for the Minecraft:monster spawner.

General

Minecraft:Data component format

• Added minecraft:repairable item stack component.

• Template:Nbt
  • Template:NbtTemplate:Nbt: item, list of items, or hash-prefixed item tag matching what can be used to repair this item.

• Items with this component can be repaired, if damageable, in an anvil using the specified ingredient.
• e.g. repairable={items:'stick'}

• Added minecraft:enchantable item stack component.

• Template:Nbt
  • Template:Nbt: positive integer, a higher value allows enchantments with a higher cost to be picked.

• If present, and applicable enchantments are available, items with the component can be enchanted in an enchanting table.
• e.g. enchantable={value:15}

Minecraft:Experiments

• Added the Minecraft:Minecart Improvements and Minecraft:Redstone Experiments experimental data packs.

Minecraft:Goat horn instrument definition

• Goat horn instruments are now data-driven.
• They are now defined in a data pack registry folder called instrument.
  • 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.

Minecraft: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.

Minecraft: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.

Minecraft:Tags

• Added following item tags:
  • furnace_minecart_fuel: items that can be used to refuel a furnace minecart.
  • villager_picks_up: items that a villager tries 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 mace_smash damage tag.

Changes

Blocks

Minecraft:Loom

• Now requires Minecraft:field masoned banner pattern and Minecraft:bordure indented banner pattern to craft corresponding banners.

Minecraft:Monster Spawner

• Minecraft:Fishing bobbers now render if set as the entity a spawner is to create; previously they would be entirely invisible.

Minecraft:Nether portal

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

Minecraft:Redstone comparators and Minecraft:redstone repeaters

• The powered models have changed.

Items

Minecraft: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.

Minecraft: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.

Minecraft:Redstone torch

• The textures and models were updated.

Minecraft:Shield

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

Minecraft:Smithing templates

• 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.
  • The Minecraft:coast armor trim is unaffected by this change.<ref>Template:Bug</ref>

Minecraft:Suspicious stew

• Recipes for it are now shown in Minecraft:recipe book.

Mobs

Minecraft: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.

Minecraft:Bees

• Now wander around randomly for less time after exiting a nest/hive.
• If a bee has a known nest/hive, it travels 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.

Minecraft:Breeze

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

Minecraft: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.

World generation

Minecraft:Feature

• Removed unused seagrass_simple feature.

Minecraft: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 Minecraft: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

Minecraft:Advancements

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

Minecraft:Attribute

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

Minecraft:Raid

• No longer starts if the raiders cannot find a place to spawn within a reasonable distance of the village they are trying to raid.

Minecraft:Rarity

• Reevaluated rarity values for the following items:

Common

• Template:ItemLink
• Template:ItemLink

Uncommon

Rare

Epic

General

Minecraft:Data component format

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

Minecraft:Data pack

• The Minecraft:pack format version is now 49.

Minecraft:Debug screen

• The value "B" in the row "E" has been removed from the debug screen.

Minecraft: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

Minecraft:Loot table

• Sheep shearing is now controlled by loot tables found as shearing/sheep/Template:Ph.
• Mooshroom shearing is now controlled by loot tables found as shearing/mooshroom/Template:Ph.
• Snow golem shearing is now controlled by a loot table found as shearing/snow_golem.

Network protocol

• Added minecraft:client_tick_end serverbound 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.

Performance

• Improved server performance when the render distance is high.
• Reduced performance impact when loading and generating chunks.

Minecraft:Raw JSON text format

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

Minecraft:Realms

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

Minecraft: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": "Template:Ph" } now becomes "Template:Ph".
  • For tags: { "tag": "Template:Ph" } now becomes "#Template:Ph".
  • 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.

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

Minecraft:Resource pack

• The Minecraft:pack format version is now 35.
• Removals and renames of some deprecated translations is now automatically applied at startup.
  • Packs that used those translations need to re-add them manually.
  • The full list is available in /assets/minecraft/lang/deprecated.json file inside the game's 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 (no light emission).
  • If specified and non-zero, this behaves 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.

Minecraft: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 to 60.
• Removed the options: spawn-animals and spawn-npcs

Minecraft:Telemetry

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

Experimental

Note:

• The additions and changes to Minecraft:bundles only take effect when the 'Bundles' experimental data pack is enabled.
• The additions and changes to Minecraft:redstone only take effect when the 'Minecraft:Redstone Experiments' experimental data pack is enabled.
• The additions and changes to Minecraft:minecarts only take effect when the 'Minecraft:Minecart Improvements' experimental data pack is enabled.

Changes

Items

Minecraft:Bundles

• The crafting recipe for bundles have been changed to one string and one leather.
• Now have a tooltip that shows the items inside.
  • If a bundle has less than 8 item types inside, the tooltip shows all of them.
  • Otherwise the tooltip shows the top two rows of items and the others are hidden below.
• 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 number keys or scroll wheel to select a different item, then right-click to take it.

Minecraft: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.

Non-mob entities

Minecraft:Minecarts

• Articulate their movement better when going fast, riding on the rail all the time.
  • 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.
  • 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 or a dispenser.
• Can now consistently be placed next to each other along a track.
• Can now pick up mobs more consistently when moving along a track.

General

Minecraft:Game rule

• 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 can 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 Minecraft:Minecart Improvements enabled.

Minecraft: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 Minecraft:Minecart Improvements enabled.

Trivia

• 24w33a currently holds the record for the largest number of bug fixes in a single snapshot, as well as in any development version, at 225.