Minecraft Snapshot 18w19b

A Minecraft Java Edition snapshot

We're getting ready to do pre-releases soon and we're working hard to fix bugs.

Changes in 18w19a

All undead mobs now sink
Skeleton Horses are rideable underwater
Updated biomes to have new fancy names
Seagrass now generates in underwater caves
New sounds for Conduit and Beacon
Phantoms are now extra flappy
Improved the upgrade paths from old versions
You can now copy the output of the /seed command
Updated the credits list
Maybe some other stuff?
Fixed a couple of bugs

Changes in 18w19b

You can now open worlds from old snapshots
A bunch of bugfixes

Fixed bugs in 18w19a

MC-7908 - Spawning underwater / In the middle of an (lava) ocean
MC-86016 - Some Mojang staff not mentioned in credits.txt
MC-121285 - Crash on start when resolution is changed in profile
MC-121636 - Server commands available in singleplayer with weird/bad effects
MC-121661 - Typing /help + unavailable command returns "unexpected error" message
MC-121799 - Cannot summon lightning bolt
MC-121999 - Incorrect /help behavior for non-ops
MC-122557 - Setting the size parameter for the dust particle to 0 or very close to it crashes the game
MC-122596 - Command autocomplete overrides command history navigation
MC-122628 - /help no longer has pages
MC-122630 - /help no longer prefixes "/" to commands
MC-122684 - Connected LAN players are able to kick/ban the server host
MC-123053 - Game crashes when using an item with a tag in the CanDestroy or CanPlaceOn NBT tag
MC-123606 - Server crash: Ticking entity 'java.lang.ClassCastException: ass cannot be cast to aui'
MC-123778 - Team color doesn't work in playerlist and sidebar before reconnecting
MC-123813 - Team colors no longer show in json results
MC-123835 - Colored sidebar display slots are not visible
MC-123852 - Glowing effect doesn't change depending on team color
MC-123856 - Clicking [Intentional Game Design] on death screen doesn't open a link to MCPE-28723
MC-124091 - Team color doesn't affect name above head
MC-124092 - Some team options don't work
MC-124098 - jeb_ sheep don't change color
MC-124102 - Book signing shows the author name as string representation of the textcomponent
MC-124147 - Zombie horses are invisible and replaced with regular zombies on reload
MC-124237 - Command syntax help doesn't clamp to the right chat line border
MC-124560 - Server says "type help or ?" but ? is not a valid command anymore
MC-124633 - Feedback text for "/team option seeFriendlyInvisibles false" when seeFriendlyInvisibles is already disabled is wrong
MC-124720 - Cannot start server with GUI
MC-124750 - /particle acting strangely across dimensions
MC-124889 - You cannot shift click smeltable items into a furnace
MC-124895 - Trees generate side by side
MC-124898 - Minerals tab in furnace recipe book displays apple item
MC-124949 - Tree generating in village house and as part of field
MC-124956 - Furnace recipe book availability toggle has wrong tooltip ("Showing craftable")
MC-125060 - Furnace recipe book availability toggle has crafting table icon
MC-125107 - Mineshafts don't generate support blocks when a block is above it
MC-125115 - Command suggestions don't order numbers from least to greatest
MC-125130 - Selector auto-completion tooltips mixed up
MC-125174 - Ore pockets do not generate in superflat worlds
MC-125232 - Phantoms attack players in peaceful mode
MC-125258 - Preparing spawn area spams 0%
MC-125283 - Jungle Biomes are extremely cluttered
MC-125381 - Effects from the turtle master potion don't show amplifier
MC-125442 - Extreme Lag in Jungle Biome
MC-125466 - Fishing drops don't come towards player
MC-125550 - Experience orbs don't float up in water
MC-125607 - Going inside of bubble columns in spectator mode plays bubble column sound
MC-125675 - Two high sea grass placed on the ocean floor can replace ocean monument parts
MC-125803 - NoGravity no longers works on items
MC-125872 - Superflat preset "the void" doesn't generate starting platform anymore
MC-125915 - Zombies can destroy turtle eggs through a full block and a half above the egg
MC-125946 - Phantoms can spawn inside/colliding with blocks
MC-125997 - Deep Frozen Ocean isn't frozen
MC-126085 - Pufferfish attack invisible players and creative/spectator players
MC-126086 - Salmon and tropical fish hitbox on land is wrongly positioned
MC-126139 - The fins of dying cod and some tropical fish show z-fighting
MC-126144 - Cods suffocate when touching a solid block from below
MC-126178 - Can use the water (with fish) bucket to destroy kelp, sea grass, coral and coral fan
MC-126190 - Salmon mobs often get stuck
MC-126198 - Only players are poisoned by pufferfish
MC-126218 - Held turtle eggs are too low in first person
MC-126261 - Turtle Egg Placement
MC-126362 - Shift-clicking fuel into non-empty furnaces only moves fuel client-side
MC-126380 - Getting an uncarved pumpkin gives recipe for jack o' lantern
MC-126656 - Bubble columns made by Soul Sand only appear every other block
MC-126762 - Red screen when player attack invalid tropical fish variant
MC-126800 - The tropical fish item is named "clownfish".
MC-126815 - Banner and treasure markers on maps show incorrect icons in multiplayer
MC-126859 - Polar bears and rabbits not spawning in Ice Plains
MC-126883 - Shulker(box) becomes dark purple when upgrading from 1.12.2
MC-126950 - Riding floating boats underwater
MC-127069 - huge phantom crash
MC-127166 - Parrots don't imitate dolphins, phantoms and drowneds
MC-127253 - F3+Q list isn't sorted alphabetically anymore
MC-127274 - F3+C to copy coordinates works even when reduced debug info is enabled
MC-127291 - Zombies drowning always drop armor items instead of using random chance
MC-127295 - Zombies can gain tridents or fishing rods when they drown
MC-127337 - F3+C (copy coordinates) does not copy dimension
MC-127388 - Pufferfish appear with their most inflated model after world load
MC-127516 - Duplication and deletion of ingredients, inventory desync and game freezing caused by faulty handling of firework star recipe
MC-127593 - Waterlogged blocks such as fence sign ladder etc, will not allow bubble columns to spawn next to them
MC-127924 - Slow falling is considered a negative effect
MC-127969 - Sea grass doesn't generate correctly above stairs
MC-127998 - You cannot place sea pickles on top of non solid blocks
MC-127999 - Glitching in sea pickles when standing on them while placing the fourth one in the block
MC-128039 - New Phantom skins do not match spawning egg colors
MC-128242 - Leaving water while swimming causes player's arm to render out of screen
MC-128243 - Dolphins do not try to get into the water
MC-128264 - Mobs can spawn on regular ice
MC-128285 - Dolphins summoned with NoAI take damage and die
MC-128336 - Kelp spawns on trapdoors, stairs, slabs and chests on sunken ships
MC-128463 - The "How Did We Get Here" advancement does not require Conduit Power
MC-128557 - Drowning dolphins don't swim to the surface.
MC-128666 - Flowing water above magma blocks turns into bubble columns
MC-128674 - Buffet end island puts you in the void
MC-128681 - Dolphins don't drop experience
MC-128712 - Phantoms don't drop experience when killed by player
MC-128733 - The ice block tag is missing frosted_ice
MC-128766 - Blue ice doesn't mine fast using pickaxe
MC-128779 - "Debug Mode" comes before "Buffet" in the world creation menu
MC-128857 - Sea pickles change hitbox when increasing count, but turtle eggs don't

Fixed bugs in 18w19b

MC-122308 - Zombies can no longer break wooden doors
MC-123351 - Growing grass with bonemeal deletes upper block
MC-124694 - /bossbar create subcommand named inconsistently
MC-127249 - Drowned don't show armor
MC-128243 - Dolphins do not try to get into the water
MC-128681 - Dolphins don't drop experience
MC-129233 - Items with additional NBT you hold don't show up or "wiggle" up and down; damaged tools partially don't work anymore
MC-129246 - The sound for Parrots imitating Phantoms is empty