Java Edition 25w05a

{
 "title": "Minecraft 25w05a",
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 "25w05a.jpg",
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 "field": "''(link to Java Edition article, displayed as Java Edition)''",
 "label": "(link to Edition article, displayed as Edition)"
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 {
 "field": "January 29, 2025",
 "label": "Release date"
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 {
 "field": "(link to Snapshot article, displayed as Snapshot)",
 "label": "(link to Version types article, displayed as Type)"
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 {
 "field": "(link to Java Edition 1.21.5 article, displayed as 1.21.5)",
 "label": "Snapshot for"
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 "field": "[https://piston-data.mojang.com/v1/objects/5bc08371cd4da86bcd5afd12bea91c890a3c63bb/client.jar Client] ([https://piston-meta.mojang.com/v1/packages/af26a4b3605f891007f08000846909840e80784a/25w05a.json .json])<br />[https://piston-data.mojang.com/v1/objects/2c873903a90c9633dd6bd2e3501046100daceafd/server.jar Server]",
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 "label": "(link to Obfuscation map article, displayed as Obfuscation maps)"
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 "field": " <span style=\"font-size:smaller\"><abbr title=\"decimal\">dec</abbr>: </span>1073742056<br /> <span style=\"font-size:smaller\"><abbr title=\"hexadecimal\">hex</abbr>: </span>400000E8",
 "label": "(link to Protocol version article, displayed as Protocol version)"
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 "label": "(link to Data version article, displayed as Data version)"
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 "label": "<span style=\"white-space: normal;\">(link to Pack format#List of pack formats article, displayed as Resource pack format)</span>"
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 "field": "65",
 "label": "<span style=\"white-space: normal;\">(link to Pack format#List of pack formats article, displayed as Data pack format)</span>"
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 "field": "<span class=\"plainlinks\">[https://en.wikipedia.org/wiki/Java_version_history#Java_SE_21_.28LTS.29 Java SE 21]</span>",
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 "invimages": [],
 "footer": "<table style=\"margin: auto; word-break: break-word;\">\n<tr style=\"background: inherit;\">\n<td style=\"padding: 0.4em\" >[[Java Edition 1.21.4|<span style=\"margin-right:-0.35em\">◄</span>◄  1.21.4]]</td>\n<td style=\"padding: 0.4em\">'''[[Java Edition 1.21.5|1.21.5]]'''</td>\n<td style=\"padding: 0.4em\" >[[Java Edition 1.21.6| 1.21.6 <span style=\"margin-right:-0.35em\">►</span>►]]</td>\n</tr>\n<tr style=\"background: inherit;\">\n<td style=\"padding: 0.4em\">\n[[Java Edition 25w04a|◄  25w04a]]\n</td>\n<td style=\"padding: 0.4em\">''' 25w05a'''</td>\n<td style=\"padding: 0.4em\">\n[[Java Edition 25w06a| 25w06a ►]]\n</td>\n</tr>\n</table>"
}

25w05a is the fourth snapshot for Java Edition 1.21.5, released on January 29, 2025,^[1] which adds the bush, firefly bush, new cow variants and fixes various bugs.

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Bush

• Generates in the following biomes:
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    Plains
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    Windswept Hills
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    Windswept Gravelly Hills
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    Windswept Forest
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    River
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    Frozen River
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    Forest
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    Birch Forest
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    Old Growth Birch Forest
• They are tinted by the grass color of the biome they are placed in.
• Can be used in the composter, with a 30% chance to add a layer.
• Using bone meal on a bush will generate a neighboring bush next to it if possible.
• Can be instantly broken without any particular tool.

👁 Image
Firefly bush

• Generates in swamps and near rivers.
• When it's dark, glowing firefly particles appear around the firefly bush, up to 5 blocks away.
• Can be used in the Composter, with a 30% chance to add a layer.
• Using bone meal on a firefly bush will spawn another firefly bush item.
• Emits a light level of 2.
• Can be instantly broken without any particular tool.

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👁 Image
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Cow

• Nose now extrudes from model.
• New cow variants have been added.
  • 👁 Image
    Temperate Cow: The pre-existing cow variant.
    • Spawns by default where the cold and warm cow variants do not spawn.
  • 👁 Image
    Cold Cow: A variant that spawns in the following biomes:
    • 👁 Image
      Old Growth Pine Taiga
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      Old Growth Spruce Taiga
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      Taiga
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      Snowy Taiga
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      Windswept Hills
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      Windswept Gravelly Hills
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      Windswept Forest
  • 👁 Image
    Warm Cow: A variant that spawns in the following biomes:
    • 👁 Image
      Savanna
    • 👁 Image
      Savanna Plateau
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      Windswept Savanna
    • 👁 Image
      Jungle
    • 👁 Image
      Sparse Jungle
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      Bamboo Jungle
    • 👁 Image
      Eroded Badlands
    • 👁 Image
      Wooded Badlands
    • 👁 Image
      Badlands
• When bred by a player, a baby cow variant will not be chosen by the current biome, but instead randomly selected from one of the parents' variants.

Sound

• Dead bushes have a chance of playing ambient sounds when placed on top of two blocks that are any color of terracotta, sand or red sand blocks in any biome.

• Sand, red sand and terracotta of any color have a chance of playing ambient sounds when surrounded by any one of them on at least 3 sides 8 blocks away.
  • block.sand.idle can be played in any biome.
  • block.sand.wind only plays when in desert or badlands biomes.

Tag

• Added the #plays_ambient_desert_block_sounds block tag.
  • Contains blocks that will play ambient desert block sounds.

Beacon

• Beacons and their beams now render beyond 16 chunks up to the client render distance.
  • To keep it easily visible at large distances, the beam is rendered thicker the further away it is from the player.
  • The beam now renders up to 2048 blocks high, up from 1024.

Powder snow

• Landing on powder snow with leather boots equipped after falling further than 2.5 blocks will now make entities fall through the snow.
  • Jumping or falling less than 2.5 blocks allows the entity to land on top of the snow like before.

Pig

• Warm pigs now properly spawn in windswept savannas.

/bossbar, /scoreboard and /team

• Text component arguments are now resolved before use in context of entity held in @s.

Data component format

• blocks_attacks
  • Added the bypassed_by field - hashtagged damage type tag (optional)
    • If specified, blocking is bypassed by these damage types.
  • The objects within the damage_reductions list now have a new field:
    • horizontal_blocking_angle- angle in degrees as a positive float
    • Default: 90
      • The maximum angle between the user's facing and the incoming attack for the block to be effective.

Data pack

• The pack format version is now 65.

Entity variant components

• Cow variants can be data-driven adding entries to data/<namespace>/cow_variant/<id>.json.
  • This feature is experimental.
  • Fields in file:
    • model - one of: normal, cold, warm.
    • asset_id - namespaced id for this variant asset, resolves to assets/<namespace>/textures/<path>.png.
    • spawn_conditions - field described in uniform variant selection above.

Raids.dat format

• Renamed all data file fields to lowercase underscore format.

Resource pack

• The pack format version is now 50.
• Added new textures for cow variants.
  • cold_cow
  • warm_cow
• Changed the size of temperate_cow texture.
• Changed the size of red_mooshroom and brown_mooshroom textures.
• The temperate Cow has an updated model and texture.
  • Cow models now have a snout.
  • Cow models now have their legs mirrored.
• The texture cow has been renamed to temperate_cow.
• The texture pig has been renamed to temperate_pig.

Tag

• Renamed the #bypasses_blocking damage type tag back to #bypasses_shield.
• Replaced windswept_hills with windswept_savanna in the #spawns_warm_variant_farm_animals biome tag.

22 issues fixed

From released versions before 1.21

• MC-108495 – Non-LivingBase entities can be on a team (and show color) but can't be targeted using team=.
• MC-165711 – Eye of ender hitbox always lags behind the animation.

From 1.21.2

• MC-279390 – Baby zombified piglin helmet clipping.

From 1.21.4

• MC-279857 – Piglins summoned by the /summon command do not pick up gold items.

From the 1.21.5 development versions

• MC-279257 – crafting_transmute recipes don't give output if the resulting item has the same ID as the input item.
• MC-279280 – windswept_hills is in both the warm and cold variant farm animal biome tags.
• MC-279315 – Warm pigs do not spawn in windswept savannas.
• MC-279353 – The minecraft:fall_damage_multiplier attribute doesn't function when riding specific rideable mobs.
• MC-279497 – Structure preview outline breaks for max integer-length sizes.
• MC-279531 – GameTest entrypoint doesn't report failures to spawn the structure.
• MC-279534 – Display entities use interpolation duration value for teleport duration.
• MC-279543 – Neutral Mobs don't attack the player back when attacked under certain conditions.
• MC-279556 – The "/execute on attacker" command does not target an entity previously targeted by the "/data" command.
• MC-279577 – Test blocks are restricted to one within a block-based structure.

From the previous development version

• MC-279684 – Shield blocking animation no longer plays when blocking an attack.
• MC-279685 – Shields no longer consume durability when blocking attacks.
• MC-279688 – Sprinting is canceled upon flying with elytra.
• MC-279692 – Instrument component crashes the game.
• MC-279693 – Summoned lingering potions render as splash potions.
• MC-279697 – Llamas show a non-interactive saddle slot.
• MC-279698 – provides_banner_pattern component does not use hash prefix.
• MC-279760 – Typing an inline definition in the provides_trim_material component crashes the game.