Minecraft:Java Edition 26.4 Snapshot 4

26.4 Snapshot 4 (known as 26.4-snapshot-4 in the Minecraft:launcher) is the fourth Minecraft:snapshot for Minecraft:Java Edition 26.4, released on October 13, 2026,<ref>Template:Mcnet</ref> which adds Minecraft:crevasses and Minecraft:brittle ice as well as overhauling Minecraft:jukeboxes.

Additions

Blocks

File:Brittle Ice (age 0) JE1.png Minecraft:Brittle ice

• A new block that can be found in Minecraft:ice caves.
  • Only generating naturally as part of the crevasse.
• Once a player or mob steps on it, it will start to crack and eventually break.
  • The Minecraft:frostbite mob can walk on brittle ice without breaking it.
• It is obtainable with Minecraft:Silk Touch.
• It can also be created by water flowing onto a Minecraft:blue ice block.
  • Any water block that borders the blue ice block horizontally will turn into brittle ice.

Features

File:Crevasse.png Minecraft:Crevasse

• Added Template:Cd feature type
  • Carves a winding, tapered crevasse into exposed terrain. The crevasse follows the terrain surface, extends in opposite directions from its placement position and requires a minimum connected footprint before carving.
  • Format: object with fields:
    • Template:Cd – integer (between 2 and 8), maximum cross-section width in blocks.
    • Template:Cd – integer (between 4 and 16), maximum end-to-end length in blocks.
    • Template:Cd – integer (between 1 and 32), minimum connected horizontal footprint required before carving.
    • Template:Cd – positive integer, maximum amount of blocks the cursor will scan downwards to find its next position.
    • Template:Cd – positive integer, maximum amount of blocks each carving will scan downwards to find a carvable surface.
    • Template:Cd – float (between 0.0 and 16.0), amount of horizontal curvature.
    • Template:Cd – float (between 0.0 and 1.0), amount of tapering applied on each step of growing the crevasse.
    • Template:Cd – float (between 0.0 and 1.0), intensity of rotation applied on each step of growing the crevasse.
    • Template:Cd – int provider, carve depth below the origin terrain surface.
    • Template:Cd – int provider, fill depth below the origin terrain surface.
    • Template:Cd – Block state provider, block placed over the crevasse opening.
    • Template:Cd – Block state provider, block placed at or below the selected fill depth.
    • Template:Cd – Block predicate, which blocks the crevasse is allowed to remove.
    • Template:Cd – Block predicate, which pre-existing blocks to accept as part of a barrier.

Tags

• Block tags
  • Added block tag Template:Tag link to describe all ice blocks that should enable face culling when placed next to each other.
  • Added block tag Template:Tag link.
  • Added block tag Template:Tag link to describe all blocks usable by a Minecraft:jukebox as a source for music disc playlists.
• Damage type tags
  • Added the damage type tag Template:Tag link.
• Entity type tags
  • Added the entity type tag Template:Tag link for mobs that do not break brittle ice blocks when stepping on them.
• Item tags
  • Added item tag Template:Tag link to describe all items usable by a Minecraft:jukebox as a source for music disc playlists.

Changes

Blocks

Minecraft:Blue ice

• Now has unique sounds.

Minecraft:Frosted ice

• Now emits a vibration event when changing state.
• No longer show their inside block faces when placed next to each other.
• Now have unique sounds.

Minecraft:Ice

• No longer show their inside block faces when placed next to each other.

File:Jukebox JE3.png Minecraft:Jukebox

• Textures changed from File:Jukebox JE2 BE2.png.
• Will now cycle through music discs in a single Minecraft:chest, Minecraft:trapped chest, or any Minecraft:copper chest variant placed directly above it.
  • Discs play in slot order, skipping empty slots and other non-music-disc items and looping back to the start.
  • When a disc finishes, the jukebox swaps it with the next disc in the chest.
  • If the chest has no music discs, the jukebox will loop its inserted disc.
  • Ejecting the current disc skips to the next available disc.

Minecraft:Packed ice

• Now has unique sounds.

Mobs

Minecraft:Drowned

• Now turn into a Minecraft:zombie before converting into a Minecraft:frostbite when they are in Minecraft:powder snow.
• Are now immune to freezing in powder snow and will not take damage from the Minecraft:Freezing effect.

Minecraft:Husks and Minecraft:zombies

• Are now immune to freezing in powder snow and will not take damage from the Freezing effect.

General

Minecraft:Block predicate

• Updated Template:Cd
  • Added a state field to match state properties.
  • Format:
    • Template:Cd: A map of name-value properties to be matched against the fluid state properties.
      • Value can be integer, boolean or string or object with optional Template:Cd and Template:Cd properties.

Minecraft:Block sound type

• Renamed Template:Cd block sound set to Template:Cd to better match sound event names.

Minecraft:Data pack

• The Minecraft:pack format version is now Template:Cd.

Minecraft:Enchantment definition

• Changed Template:Cd enchantment effect
  • Fields Template:Cd, Template:Cd and Template:Cd are now optional.

Minecraft:Fluid states

• Removed Template:Cd and Template:Cd fluid types.
• Fluid types now have the following properties
  • Template:Cd: Integer; same as before, the level of fluid from 1 to 8.
  • Template:Cd: Boolean; Template:Cd for source blocks, Template:Cd otherwise.

Minecraft:Mob variant definitions

• Chicken sound variants
  • Fields Template:Cd, Template:Cd, Template:Cd, Template:Cd in Template:Cd and Template:Cd structures are now optional.
• Cow sound variants
  • Fields Template:Cd, Template:Cd, Template:Cd, Template:Cd are now optional.
• Cat sound variants
  • Fields Template:Cd, Template:Cd, Template:Cd, Template:Cd, Template:Cd, Template:Cd, Template:Cd, Template:Cd, Template:Cd in Template:Cd and Template:Cd structures are now optional.
• Pig sound variants
  • Fields Template:Cd, Template:Cd, Template:Cd, Template:Cd, Template:Cd in Template:Cd and Template:Cd structures are now optional.
• Wolf sound variants
  • Fields Template:Cd, Template:Cd, Template:Cd, Template:Cd, Template:Cd, Template:Cd, Template:Cd in Template:Cd and Template:Cd structures are now optional.

Network Protocol

• The server now more consistently disconnects clients when a packet they sent causes an error.

Minecraft:Resource pack

• The version is now Template:Cd.

Minecraft:Sound events

• Added new sound events:
  • Template:Cd
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• Removed sound events:
  • Template:Cd

Minecraft:Sulfur cube archetype definition

• Fields Template:Cd and Template:Cd in Template:Cd structure are now optional.

Tags

• Biome tags
  • Added Template:Cd to Template:Tag link tags.
• Block tags
  • Added Template:Cd to Template:Tag link tags.
• Entity type tags
  • Added Template:Cd to Template:Tag link tag.
• Fluid tags
  • Removed Template:Cd from Template:Tag link, and Template:Cd from Template:Tag link tags.
  • The tags Template:Tag link have been marked with Template:Cd in the code.

Minecraft:Textures

• Updated the following Block textures:
  • Template:Cd
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• Added new Block textures:
  • Template:Cd
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