Java Edition 18w16a

18w16a
Edition	computer
Type	Snapshot
Release date	April 19, 2018
Snapshot for	1.13

18w16a is the thirty-second snapshot released for 1.13.

Additions

General

• New world type: Buffet
  • Creates single-biome worlds.
  • Allows choosing between Overworld and End terrain generation.

Changes

Blocks

• Coral fans now generate in coral reefs, on the sides of coral blocks.
• Blue ice is slightly less slippery.
• Coral blocks
  • Now require Silk Touch to drop as items when mined, otherwise they drop dead coral.
  • No longer instantly turn into dead coral when on land.

Mobs

• Drowned can now spawn in underwater ruins.

Gameplay

• When water spreads and would later turn into a source block, it now immediately just places a source block.
• Conduit Power particles are now blue instead of orange.
• Water Breathing given from turtle shells no longer shows particles.

General

• Optimized world spawn position–finding code.
• New valid_spawn block tag for blocks that the player can spawn on.
• There is now a distinction between scheduled "liquid ticks" and "block ticks".
• New block and item tags for coral.
• Changed how the temperature of ocean biomes is calculated; should result in nicer transitions between oceans.
• Biome names are now translatable.
• Updated some biome names:

Name ID	Old name	New name
minecraft:desert_hills	DesertHills	Desert Hills
minecraft:forest_hills	ForestHills	Forest Hills
minecraft:frozen_ocean	FrozenOcean	Frozen Ocean
minecraft:frozen_river	FrozenRiver	Frozen River
minecraft:hell	Hell	Nether
minecraft:jungle_edge	JungleEdge	Jungle Edge
minecraft:jungle_hills	JungleHills	Jungle Hills
minecraft:mesa_rock	Mesa Plateau F	Mesa Forest Plateau
minecraft:mushroom_island	MushroomIsland	Mushroom Island
minecraft:mushroom_island_shore	MushroomIslandShore	Mushroom Island Shore
minecraft:mutated_birch_forest	Birch Forest M	Mutated Birch Forest
minecraft:mutated_birch_forest_hills	Birch Forest Hills M	Mutated Birch Forest Hills
minecraft:mutated_desert	Desert M	Mutated Desert
minecraft:mutated_extreme_hills	Extreme Hills M	Mutated Extreme Hills
minecraft:mutated_extreme_hills_with_trees	Extreme Hills+ M	Mutated Extreme Hills+
minecraft:mutated_jungle	Jungle M	Mutated Jungle
minecraft:mutated_jungle_edge	JungleEdge M	Mutated Jungle Edge
minecraft:mutated_mesa_clear_rock	Mesa Plateau M	Mutated Mesa Plateau
minecraft:mutated_mesa_rock	Mesa Plateau F M	Mutated Mesa Forest Plateau
minecraft:mutated_redwood_taiga_hills	Redwood Taiga Hills M	Mutated Redwood Taiga Hills
minecraft:mutated_roofed_forest	Roofed Forest M	Mutated Roofed Forest
minecraft:mutated_savanna	Savanna M	Mutated Savanna
minecraft:mutated_savanna_rock	Savanna Plateau M	Mutated Savanna Plateau
minecraft:mutated_swampland	Swampland M	Mutated Swampland
minecraft:mutated_taiga	Taiga M	Mutated Taiga
minecraft:mutated_taiga_cold	Cold Taiga M	Mutated Cold Taiga
minecraft:taiga_hills	TaigaHills	Taiga Hills

Fixes

32 issues fixed

From released versions before 1.13

• MC-18903 – Villagers'/ Witchs' right arm doesn't have the texture flipped.
• MC-83064 – Accumulated fall damage is not reset when levitation starts
• MC-90591 – Camera instantaneously changes position when elytra is deployed, rather than smoothly

From the 1.13 development versions

• MC-125101 – Mesa (Bryce) generation cuts off at chunk borders
• MC-125251 – Strong Turtle Master potion makes players invincible
• MC-125280 – Bubble columns seem to be pushable by pistons
• MC-125297 – Force-waterlogged blocks don't spread water
• MC-125329 – Sprinting underwater while flying in creative makes player start swimming
• MC-125356 – Turtle Shell potion effect particles are very intrusive
• MC-125460 – Can only pick-block the top part of kelp and can't pick-block 2 block tall sea grass
• MC-125647 – Air time is not clamped at 300 ticks, causing 11th bubble to appear depending on overflow air time
• MC-125671 – Swimming animation can be triggered while on horse
• MC-125770 – Bubble columns are not created when pouring water over magma block
• MC-125895 – Being in bubble column regions makes user drown when touching underwater ceiling
• MC-126086 – Salmon and tropical fish hitbox on land is wrongly positioned
• MC-126104 – Dispenser will not place or use the cod / salmon / puffer fish / tropical fish bucket
• MC-126167 – Puffer fish, salmon, cod, and tropical fish spawn eggs are in incorrect positions in creative inventory
• MC-126304 – Water buckets can catch dying fish
• MC-126485 – Magma block/soulsand does not generate bubbles and currents with only one block of water above
• MC-126580 – Crash on Day 1
• MC-126923 – Water turning to ice deletes other block occupying same space as water
• MC-126930 – Sponges do not soak up flowing water
• MC-126978 – Sponge is working with lava
• MC-127045 – Duplicating fish is possible with a waterlogged block
• MC-127079 – Lava on top of water doesn't turn water into stone
• MC-127366 – Turtle Shell Water Breathing effect begins counting down as soon as feet touch the water.
• MC-128058 – The Coral Fans are not generated in coral reefs
• MC-128205 – Drowned drop tridents from both loot table and held items

From the previous development version

• MC-128233 – Lava is tinted incorrectly
• MC-128248 – Bottom of the water is not tinted
• MC-128338 – Game can't handle ultimate blue ice speed
• MC-128372 – Items aren't faster on blue ice when being transported by a water current

References

zu:18w16a