Minecraft:Java Edition 18w20a

18w20a is the thirty-fifth Minecraft:snapshot for Minecraft:Java Edition 1.13, released on May 15, 2018,<ref>Template:Snap</ref> which fixes bugs.

Additions

Command format

• Teams can now have a prefix and a suffix, specified as raw JSON text.
  • Template:Command
  • Template:Command

Changes

Blocks

• Changed IDs of several Minecraft:blocks:

Old ID	New ID
kelp_top	kelp
kelp	kelp_plant
prismarine_bricks_slab	prismarine_brick_slab
prismarine_bricks_stairs	prismarine_brick_stairs

• Changed names of several blocks:

Old name	New name
Weighted Pressure Plate (Heavy)	Heavy Weighted Pressure Plate
Weighted Pressure Plate (Light)	Light Weighted Pressure Plate
Prismarine Bricks Slab	Prismarine Brick Slab
Prismarine Bricks Stairs	Prismarine Brick Stairs

Items

• Changed IDs of several Minecraft:items:

Old ID	New ID
kelp_top	kelp
kelp	kelp_plant
cod_mob_spawn_egg	cod_spawn_egg
salmon_mob_spawn_egg	salmon_spawn_egg

• Changed names of several items:

Old name	New name
Gold Horse Armor	Golden Horse Armor
Chain Helmet	Chainmail Helmet
Chain Chestplate	Chainmail Chestplate
Chain Leggings	Chainmail Leggings
Chain Boots	Chainmail Boots
Milk	Milk Bucket
Seeds	Wheat Seeds
Spawn Bat	Bat Spawn Egg
Spawn Blaze	Blaze Spawn Egg
Spawn Cave Spider	Cave Spider Spawn Egg
Spawn Chicken	Chicken Spawn Egg
Spawn Cod	Cod Spawn Egg
Spawn Cow	Cow Spawn Egg
Spawn Creeper	Creeper Spawn Egg
Spawn Dolphin	Dolphin Spawn Egg
Spawn Donkey	Donkey Spawn Egg
Spawn Drowned	Drowned Spawn Egg
Spawn Elder Guardian	Elder Guardian Spawn Egg
Spawn Enderman	Enderman Spawn Egg
Spawn Endermite	Endermite Spawn Egg
Spawn Evoker	Evoker Spawn Egg
Spawn Ghast	Ghast Spawn Egg
Spawn Guardian	Guardian Spawn Egg
Spawn Horse	Horse Spawn Egg
Spawn Husk	Husk Spawn Egg
Spawn Llama	Llama Spawn Egg
Spawn Magma Cube	Magma Cube Spawn Egg
Spawn Mooshroom	Mooshroom Spawn Egg
Spawn Mule	Mule Spawn Egg
Spawn Ocelot	Ocelot Spawn Egg
Spawn Parrot	Parrot Spawn Egg
Spawn Phantom	Phantom Spawn Egg
Spawn Pig	Pig Spawn Egg
Spawn Polar Bear	Polar Bear Spawn Egg
Spawn Pufferfish	Pufferfish Spawn Egg
Spawn Rabbit	Rabbit Spawn Egg
Spawn Salmon	Salmon Spawn Egg
Spawn Sheep	Sheep Spawn Egg
Spawn Shulker	Shulker Spawn Egg
Spawn Silverfish	Silverfish Spawn Egg
Spawn Skeleton	Skeleton Spawn Egg
Spawn Skeleton Horse	Skeleton Horse Spawn Egg
Spawn Slime	Slime Spawn Egg
Spawn Spider	Spider Spawn Egg
Spawn Squid	Squid Spawn Egg
Spawn Stray	Stray Spawn Egg
Spawn Tropical Fish	Tropical Fish Spawn Egg
Spawn Turtle	Turtle Spawn Egg
Spawn Vex	Vex Spawn Egg
Spawn Villager	Villager Spawn Egg
Spawn Vindicator	Vindicator Spawn Egg
Spawn Witch	Witch Spawn Egg
Spawn Wither Skeleton	Wither Skeleton Spawn Egg
Spawn Wolf	Wolf Spawn Egg
Spawn Zombie	Zombie Spawn Egg
Spawn Zombie Horse	Zombie Horse Spawn Egg
Spawn Zombie Pigman	Zombie Pigman Spawn Egg
Spawn Zombie Villager	Zombie Villager Spawn Egg

Non-mob entities

• Changed the name of Minecraft:lightning bolt:

Old name	New name
Bolt of Lightning	Lightning Bolt

General

• Players in Creative mode can now sleep even if monsters are nearby.
• Many internal IDs and data values have been changed, such as Minecraft:texture and Minecraft:structure files.

Fixes

Template:Fixes Other fixes

• Worlds created in 18w16a can also now be opened.

Trivia

• Unlike most of the first-of-the-week snapshots, this was released on a Tuesday instead of Wednesday.