Minecraft:Java Edition 23w12a

23w12a is the first Minecraft:snapshot for Minecraft:Java Edition 1.20 released on March 22, 2023,<ref>Template:Snap</ref> which adds Minecraft:calibrated sculk sensors, Minecraft:sniffer eggs, Minecraft:suspicious gravel, Minecraft:trail ruins, more Minecraft:armor trims and Minecraft:pottery shards, and new Minecraft:sign mechanics.

Additions

Blocks

File:Calibrated Sculk Sensor JE1.gif Minecraft:Calibrated sculk sensor

• A type of Minecraft:sculk sensor which does not generate naturally and allows players to filter vibrations based on their frequency level.
• Can only be crafted with one sculk sensor and three Minecraft:amethyst shards in the Minecraft:crafting table.
• One side of the calibrated sculk sensor can receive a Minecraft:redstone signal as an input.
• Emits light level of 1.
  • The strength of that redstone signal is the only vibration frequency the calibrated sculk sensor listens to.

File:Pitcher Plant JE1 BE1.png Minecraft:Pitcher plant

• A type of Minecraft:plant which grows from the Minecraft:pitcher pod after 4 stages (5 stages in total).
• Can be obtained by breaking a fully grown pitcher crop.
• Can be crafted into a Minecraft:cyan dye.
• Cannot be placed in a Minecraft:flower pot.

File:Sniffer Egg JE1 BE1.png Minecraft:Sniffer egg

• Can be found in the Minecraft:suspicious sand generated in warm Minecraft:ocean ruins.
• Also dropped when two Minecraft:sniffers breed.
• Hatches into a snifflet.
  • When placed on a Minecraft:moss block, it hatches after approximately 10 minutes.
  • On all other blocks, it hatches in approximately 20 minutes.

File:Suspicious Gravel BE1 (dusted 0).png Minecraft:Suspicious gravel

• The suspicious gravel looks rougher than the Minecraft:gravel block.
• Affected by gravity and vanishes when landing.
• Drops nothing when mined or moved, even if mining with Minecraft:Silk Touch.
• Generates naturally in cold Minecraft:ocean ruins.
• Brushing the suspicious gravel with a Minecraft:brush extracts objects.
  • Has four stages of extracting and recovers gradually when stop brushing.
  • Turns to regular gravel when the extraction is done.
  • Only suspicious gravels with a valid archaeological loot table (the ones naturally generated) can extract an item.

Items

Template:Animate Minecraft:Pitcher pod

• Can be planted on farmland and grows into a pitcher plant.
• Can only be obtained if a sniffer digs up a pitcher pod.
• Drops pitcher plant when fully grown, otherwise drops itself.

Minecraft:Pottery shards

• Added 16 pottery shards, they can be found in following archaeological sites:
  • Minecraft:Desert pyramid
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  • Minecraft:Desert well
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  • Minecraft:Ocean ruins (cold)
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  • Ocean ruins (warm)
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  • Minecraft:Trail ruins
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Minecraft:Smithing templates

• Five more armor trim smithing templates have been added.
  • Trail ruins: they can be obtained randomly from suspicious sand or suspicious gravel generated in these structures accordingly (1.786% chance each), and are duplicated using a Minecraft:terracotta block.
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  • Minecraft:Ancient city: they can be obtained randomly from chests generated in these structures accordingly, and are duplicated using a Minecraft:cobbled deepslate block.
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      • This is the hardest one to get, with only an 1.25% chance per chest.<ref>Template:Tweet</ref>

World generation

File:Trail Ruins.png Minecraft:Trail ruins

• A buried Minecraft:generated structure from a lost culture.
• Generates in Minecraft:taigas, Minecraft:snowy taigas, Minecraft:old growth taigas (both types), Minecraft:old growth birch forests, and Minecraft:jungles.
• Comprised of a tower, a path across the bottom, and a few additional rooms attached to the side.
• Contains Minecraft:suspicious sand and Minecraft:suspicious gravel, as well as Minecraft:mud bricks and several colors of Minecraft:terracotta and Minecraft:glazed terracotta.
• Four Minecraft:armor trims and seven Minecraft:pottery shards can be found here.

General

Minecraft:Tags

• Added combination_step_sound_blocks block tag.
  • Contains Template:Cd.
  • Controls which blocks can produce a combination of step sounds.
• Added has_structure/trail_ruins biome tag.
  • Contains Template:Cd.
• Added sniffer_egg_hatch_boost block tag.
  • Contains moss_block.
• Added trail_ruins_replaceable block tag.
  • Contains Template:Cd.

Changes

Blocks

Minecraft:Block of amethyst

• Added a new behavior called "vibration resonance" when it is placed adjacent to Minecraft:sculk sensors.
  • If that sculk sensor receives a vibration, the block of amethyst re-emits its frequency as a separate vibration at its location.

Minecraft:Decorated pot

• Added a new property named cracked.
  • Is used to determine the sounds the block use upon breaking.

Minecraft:Sculk sensor

• Vibration frequencies of many actions in the game have been tweaked and greatly simplified to prevent unwanted interference, as following:

Action	Frequency value
Movement in any medium (land, water and air)	1
Landing on any surface (land or water)	2
Item interactions	3
Gliding with an elytra or unique mob actions (Ravager roar, Wolf shaking, etc)	4
Dismounting a mob or equipping gear	5
Mounting a mob or interacting with a mob	6
Mobs and players getting damaged	7
Consuming items (drinking and eating)	8
Blocks 'deactivating' (door close, chest close, button unpress, etc)	9
Blocks 'activating' (door open, chest open, button press, etc)	10
Blocks changing (cauldron water level rising, adding food to campfire, etc)	11
Blocks being destroyed	12
Blocks being placed	13
Mobs and players teleporting or spawning	14
Mobs and players dying or an explosion	15

Minecraft:Signs

• Text can now be edited by Template:Control with it after being placed in the world.
  • Previous Minecraft:dye and Minecraft:glow ink sac effects are kept after editing.
• Both sides of the sign can now have separate text and colors.
  • By default, a sign prompts the player to input the front side's text when placed.
  • To apply text to the back-side, the player must walk to the other side and interact with that face to edit it.
• Signs can now also be waxed with Minecraft:honeycomb, preventing any further edits to its text.
  • Click commands on signs can only be invoked when the sign is waxed.
  • If a sign with a click command is not waxed, interacting with it doesn't invoke the command and instead opens up the edit screen as usual.

Minecraft:Suspicious sand

• Now generates naturally in warm Minecraft:ocean ruins.

Items

Minecraft:Potions

• Minecraft:Wither effect particle colors have been adjusted to make them more distinguishable.
• Potion of Minecraft:Slow Falling has had its color tweaked to make it more distinguishable from the potion of Minecraft:Invisibility.

Minecraft:Smithing templates

• The dune armor trim now has a new pattern and smithing template icon.
• The sentry armor trim now uses dune armor trim's old pattern and has a new icon to fit this pattern.
  • The sentry armor trim's old pattern is now used by the new shaper armor trim.

World generation

Minecraft:Ocean ruins

• Now include Minecraft:suspicious sand and Minecraft:suspicious gravel blocks.

Non-mob entities

Minecraft:Display

• Previous values are now always discarded if interpolation_duration is 0.
• Made sure that render properties are applied at the same time (so block_state is applied at the same time as transformation, i.e. at next tick after receiving update).
• Entities are not rendered unless initial data is received. That means display entities might not show on the first Minecraft:tick.
  • Due to how game handles updates, changes to entities made after summoning might be delivered to clients with later tick.

General

Minecraft:Data packs

• The data pack version is now 13, accounting for sign data format changes.

Feature flags

• Removed update_1_20 feature flag and built-in datapack.
  • All features and changes from the "Update 1.20" experimental pack are now part of the game.

Game events

• piston_contract game event has been removed in favor of block_deactivate.
• piston_extend and dispense_fail game events have been removed in favor of block_activate.
• Many game events have new vibration frequencies:

Game event	Frequency value
Template:Cd	1
Template:Cd	2
Template:Cd	3
Template:Cd	4
entity_dismount and equip	5
Template:Cd	6
entity_damage	7
drink and eat	8
Template:Cd	9
Template:Cd	10
block_change	11
block_destroy and fluid_pickup	12
block_place and fluid_place	13
Template:Cd	14
entity_die and explode	15

Minecraft:Sounds

• Step sounds can now combine for blocks walked through and stepped on.
  • Occurs for Minecraft:carpets, Minecraft:snow, Minecraft:nether sprouts as well as warped and Minecraft:crimson roots.
    • The top-most block the player is walking on is played as normal.
    • The block underneath is played at a lower volume and pitch.

Structure Post-processors

• A capped post-processor has been added which can limit how many blocks a delegated post-processor randomly transform in a structure.
  • This can be used to configure a structure piece to have an exact amount of specific blocks, instead of using random distribution.
  • It has following required parameters:
    • delegate - A post-processor which performs the actual block transformation.
    • limit - Maximum amount of blocks that the delegated post-processor can transform.
      • The blocks inside a structure are all randomly passed to the delegated post-processor until it has transformed the limited amount.
      • Either constant or random number generator sampled during post-processing.
• Previously a rule could specify an optional fixed output_nbt which would be added to the processed output block entity; this field has now been changed to reference a block_entity_modifier.
  • Existing block_entity_modifiers are:
    • passthrough: Retains existing fields on the block entity.
      • This is the default if no block_entity_modifier is specified.
    • append_static: Similar to previous output_nbt this provides fixed fields to add to the block entity.
      • A minor change is that this modifier appends configured fields to the processed block instead of replacing existing fields.
    • clear: Removes any existing fields on the block entity.
    • append_loot: Appends a loot table and seed to the block entity through required parameter:
      • loot_table: Referenced loot table to add to block entity as LootTable field.
      • Field LootTableSeed is also added to the block entity using random seeded by block position.

Minecraft:Tags

• Added the Minecraft:cherry grove to the is_overworld biome tag.
• Added Template:Cd to the #trim_templates item tag.
• Added Template:Cd to the #decorated_pot_shards item tag.
• Removed Template:Cd tags from the #inside_step_sound_blocks block tag.