Minecraft:Java Edition 18w19a

18w19a is the thirty-third Minecraft:snapshot for Minecraft:Java Edition 1.13, released on May 8, 2018,<ref name="18w19a">Template:Snap</ref> which added the Minecraft:Dolphin's Grace effect and changed some IDs, mainly to biomes.

Additions

Gameplay

Minecraft:Effects

• File:Dolphin's Grace JE1.png Minecraft:Dolphin's Grace.
  • Acquired by swimming near Minecraft:dolphins.
  • Makes the player swim faster.

Fluids

Minecraft:Logic

• Separated some of the logic for blocks and fluids.<ref>Template:Tweet</ref>
  • Current fluids:
    • minecraft:empty
    • minecraft:flowing_water
    • minecraft:water
    • minecraft:flowing_lava
    • minecraft:lava
  • The fluid at a location is currently dependent on the block at the location; currently there still are water and lava blocks.
• Added two new fluid Minecraft:tags: minecraft:lava and minecraft:water.
• This system is mostly internal; it cannot be directly interacted with yet.

World generation

Minecraft:Buffet worlds

• New generation type: "Caves".
  • Creates Minecraft:Nether-like generation.

Changes

Blocks

Block IDs

• Changed names and IDs of several Minecraft:blocks:

Old name	New name
Sea Grass	Seagrass
Tall Sea Grass	Tall Seagrass
Old ID	New ID
sea_grass	seagrass
tall_sea_grass	tall_seagrass

Items

Minecraft:Turtle eggs

• Changed texture.

Minecraft:Spawn eggs

• Minecraft:Phantom spawn eggs now look more like the mob's updated texture.

Minecraft:Heart of the sea

• Now generates in buried treasure chests (as stacks of 1).

Item IDs

• Changed names of several Minecraft:items:

Old name	New name
Clownfish	Tropical Fish
Puffer Fish Bucket	Pufferfish Bucket

Mobs

Minecraft:Swimming

• All undead mobs (except for Minecraft:zombie horses)<ref>Template:Bug</ref> now sink.
• Minecraft:Husks morph into Minecraft:zombies after a while if they are in water.
• Minecraft:Skeleton horses are now rideable underwater.

Minecraft:Phantoms

• Now flap their wings smoother and faster.
• Now drop experience.

Minecraft:Parrots

• Now imitate Minecraft:phantoms and Minecraft:drowned.

Minecraft:Dolphins

• If dolphins start drowning, they now swim to the surface.

Minecraft:Polar bears

• Can now spawn on top of Minecraft:ice.

Minecraft:Pufferfish

• Changed the name and ID of the pufferfish mob:

Old name	New name
Puffer Fish	Pufferfish
Old ID	New ID
puffer_fish	pufferfish

World generation

Incompatibilities

• Due to changes in world generation, worlds from previous snapshots no longer work.

Minecraft:Seagrass

• Now generates in underwater caves.

Command format

Template:Cmd

• The output of the command can now be copied.

General

Improvements

• Improved the upgrade paths from old versions.

Minecraft:Credits

• Updated the credits list.

Minecraft:Experience orbs

• Now floats up in water.

Minecraft:Advancements

• "How Did We Get Here?" now includes the Minecraft:Conduit Power status effect.

Minecraft:Sounds

• New sounds for Minecraft:conduit and Minecraft:beacon.

Minecraft:Debug screen

• The F3 menu now shows the biome ID, rather than name.

Minecraft:Biomes

• Changed the names of several biomes:

Minecraft:Resource location	Old name	New name
extreme_hills	Extreme Hills	Mountains
swampland	Swampland	Swamp
ice_flats	Ice Plains	Snowy Tundra
ice_mountains	Ice Mountains	Snowy Mountains
mushroom_island	Mushroom Island	Mushroom Fields
mushroom_island_shore	Mushroom Island Shore	Mushroom Field Shore
forest_hills	Forest Hills	Wooded Hills
smaller_extreme_hills	Extreme Hills Edge	Mountain Edge
stone_beach	Stone Beach	Stone Shore
cold_beach	Cold Beach	Snowy Beach
roofed_forest	Roofed Forest	Dark Forest
taiga_cold	Cold Taiga	Snowy Taiga
taiga_cold_hills	Cold Taiga Hills	Snowy Taiga Hills
redwood_taiga	Mega Taiga	Giant Tree Taiga
redwood_taiga_hills	Mega Taiga Hills	Giant Tree Taiga Hills
extreme_hills_with_trees	Extreme Hills+	Wooded Mountains
mesa	Mesa	Badlands
mesa_rock	Mesa Forest Plateau	Wooded Badlands Plateau
mesa_clear_rock	Mesa Plateau	Badlands Plateau
sky_island_low	The End - Floating island	Small End Islands
sky_island_medium	The End - Medium island	End Midlands
sky_island_high	The End - High island	End Highlands
sky_island_barren	The End - Barren island	End Barrens
warm_deep_ocean	Warm Deep Ocean	Deep Warm Ocean
lukewarm_deep_ocean	Lukewarm Deep Ocean	Deep Lukewarm Ocean
cold_deep_ocean	Cold Deep Ocean	Deep Cold Ocean
frozen_deep_ocean	Frozen Deep Ocean	Deep Frozen Ocean
mutated_desert	Mutated Desert	Desert Lakes
mutated_extreme_hills	Mutated Extreme Hills	Gravelly Mountains
mutated_taiga	Mutated Taiga	Taiga Mountains
mutated_swampland	Mutated Swampland	Swamp Hills
mutated_ice_flats	Ice Plains Spikes	Ice Spikes
mutated_jungle	Mutated Jungle	Modified Jungle
mutated_jungle_edge	Mutated Jungle Edge	Modified Jungle Edge
mutated_birch_forest	Mutated Birch Forest	Tall Birch Forest
mutated_birch_forest_hills	Mutated Birch Forest Hills	Tall Birch Hills
mutated_roofed_forest	Mutated Roofed Forest	Dark Forest Hills
mutated_taiga_cold	Mutated Cold Taiga	Snowy Taiga Mountains
mutated_redwood_taiga	Mega Spruce Taiga	Giant Spruce Taiga
mutated_redwood_taiga_hills	Mutated Redwood Taiga Hills	Giant Spruce Taiga Hills
mutated_extreme_hills_with_trees	Mutated Extreme Hills+	Gravelly Mountains+
mutated_savanna	Mutated Savanna	Shattered Savanna
mutated_savanna_rock	Mutated Savanna Plateau	Shattered Savanna Plateau
mutated_mesa	Mesa (Bryce)	Eroded Badlands
mutated_mesa_rock	Mutated Mesa Forest Plateau	Modified Wooded Badlands Plateau
mutated_mesa_clear_rock	Mutated Mesa Plateau	Modified Badlands Plateau
hell	Hell	Nether

Trivia

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