Minecraft 1.17 Caves & Cliffs – Snapshot 21W05A Azalea bushes & Glow Berries

3rd February 2021
Minecraft News
116 5

MINECRAFT SNAPSHOT 21W05A

A Minecraft Java Snapshot

In today’s snapshot, we’re adding a few new blocks that you, later on, will see in the lush caves! They’re perhaps not as lush as Jens’ hair, but close enough.

NEW FEATURES IN 21W05A

  • Azalea bushes as well as flowering azaela bushes!
  • Added cave vines and glow berries!
  • Added drip leaves!
  • Added decorative blocks for the upcoming lush caves: hanging roots and rooted dirt!
  • Added moss!
  • Added spore blossom!

CAVE VINES AND GLOW BERRIES

  • Cave vines grow down from the ceiling, like weeping vines
  • When they grow they have a chance of producing glow berries
  • Glow berries are a natural light source as well as a food source
  • Foxes eat glow berries
  • Use glow berries to plant new cave vines
  • Bonemealing a cave vine will create glow berries

DRIPLEAF

  • Small dripleaf needs moisture, so it grows on clay or underwater
  • Small dripleaf grow into big dripleaf when bonemealed
  • Big dripleaf grows taller when bonemealed
  • If you stand on a big dripleaf, it will tilt after a while and you will fall off
  • You can crouch or jump to prevent a big dripleaf from tilting
  • A tilted big drip leaf till tilt up again after a while
  • The big dripleaf will break when hit by a projectile
  • The wandering trader will sometimes sell small dripleaf plants

MOSS

  • Two new decorative blocks: moss block and moss carpet
  • Moss carpet can be crafted from moss blocks

SPORE BLOSSOM

  • A beautiful large flower placed on ceilings
  • Particles drip from it

CHANGES IN 21W05A

  • The stonecutter can be used to craft the different copper block variants
  • The stages of copper oxidization are now called “Copper Block”, “Exposed Copper Block”, “Weathered Copper Block” and “Oxidized Copper Block” in sequence of least to most oxidized
  • Drowned now have a chance of dropping a copper ingot, they no longer drop gold ingots
  • Added new sculk sensor events
  • Changes to powder snow

SCULK SENSOR CHANGES

Added the following game events that the Sculk Sensor reacts to, along with corresponding frequency value:

Vibration TypesFrequency Value
Minecart Moving, Ring Bell, Block Change6
Drinking Finish, Prime Fuse7
Mob Interact8
Equip, Shear, Ravager Roar9
Entity Place12
Entity Killed13
Shulker Close14
Shulker Open15
  • Block Change is for when player or dispenser action has changed a block. Example: cake slice being eaten
  • Mob Interact is for specific mob interaction events that cause vibrations
  • Prime Fuse is for both TNT and Creepers

POWDER SNOW CHANGES

  • Flaming arrows now get extinguished when they collide with powder snow
  • Skeletons now convert to strays when frozen
  • Powder snow is now pushable by pistons and sticky pistons
  • Foxes can now walk on top of powder snow without falling in

TECHNICAL CHANGES IN 21W05A

  • Improved performance when using many overrides on an item model
  • Copper oxidization is now a random tick effect and thus affected by the randomTickSpeed game rule

FIXED BUGS IN 21W05A

  • MC-9568 – Mobs suffocate / go through blocks when growing up near a solid block
  • MC-130098 – Debug world spawns player at y=2 instead at y=70 where all the blocks are
  • MC-142711 – Baby turtles take damage when pushed against ceiling
  • MC-148432 – Sound spam while in water and lava at the same time
  • MC-149495 – Pufferfish triggers tripwire without colliding with it upon reloading the game
  • MC-152265 – Starting server outputs “unable to resolve BlockEntity for ItemStack” errors
  • MC-153254 – Baby zombies/piglins take damage when pushed against ceiling by bubble columns
  • MC-163673 – Baby husks, piglins, zombies, zombie villagers, and zombified piglins take damage when jumping into a space with a solid block above it
  • MC-186879 – Standing in fire and water spams the extinguish sound
  • MC-191714 – Player is dismounted when standing on farmland while riding a horse/boat while the farmland turns to dirt, causing a desync
  • MC-198432 – Pufferfish phases through blocks after reloading world
  • MC-199356 – chatDelay in options.txt has a space between the colon and the value
  • MC-200906 – Pufferfish hitbox incorrect when reloading world
  • MC-204801 – Large amounts of copper blocks lag the server and causes the worldsave to take forever
  • MC-205079 – Cauldrons don’t fill with powder snow in some biomes
  • MC-205401 – “Fire extinguishes” Sound repeatedly plays when a mob that burns in daylight is in powder snow
  • MC-205477 – Occasional desync when trying to enter/exit a boat while the server is lagging
  • MC-205735 – Baby cows can suffocate on stairs
  • MC-206113 – Powder Snow causes Z-Fighting with Falling Blocks
  • MC-207258 – Sculk sensors do not react to minecarts being driven
  • MC-207261 – Bell ringing event is not considered a vibration
  • MC-207262 – Drinking potions or milk doesn’t cause vibrations even though eating does
  • MC-207263 – Inconsistency: Filling cauldrons with liquids or powder snow is not detected by sculk sensors
  • MC-207277 – Sculk sensor can’t detect setting a fire with fire charge
  • MC-207283 – Extinguishing a campfire is not detected by sculk sensor
  • MC-207300 – Blocks being placed or picked up by an enderman are not detected by sculk sensors
  • MC-207329 – Sculk sensors don’t properly detect eating from other mobs
  • MC-207340 – Sculk sensors do not detect buckets of fish being emptied
  • MC-207358 – Sculk sensors don’t detect shulkers opening and closing
  • MC-207384 – Flame arrows repeatedly trigger sculk sensors
  • MC-207387 – Sculk sensors can sense players sneaking in water when they move, even when they’re not swimming
  • MC-207391 – Sculk sensors don’t detect certain flying mobs
  • MC-207397 – The fire extinguish sound plays every tick when the player is on fire and freezing
  • MC-207407 – Villages will always generate at least on y=0
  • MC-207417 – Directly breaking fire does not alert sculk sensors, but removing its supporting block correctly does
  • MC-207418 – Breaking paintings/item frames/glow item frames does not alert sculk sensors, even though placing them does
  • MC-207445 – Sculk sensor doesn’t detect squids swimming
  • MC-207473 – Sculk sensors do not detect when ghasts shoot
  • MC-207520 – Sculk sensors don’t react to ravager roars
  • MC-207521 – Ocelots and cats can still emit vibrations while sneaking
  • MC-207592 – Shooting bow with flame enchantment while sneaking triggers sculk sensor
  • MC-207600 – Sculk sensor detects wrong sound for fishing rod
  • MC-207670 – Sculk sensors do not detect the placement of boats and minecarts
  • MC-207671 – Sculk sensors do not detect candles being placed into cakes
  • MC-207672 – Sculk sensors do not detect when creepers are set off with flint and steel
  • MC-207673 – Sculk sensors do not detect lighting TNT with flint and steel
  • MC-207674 – Sculk sensors do not detect placing things in flower pots
  • MC-207675 – Sculk sensors do not detect books being placed onto lecterns
  • MC-207677 – Sculk sensors do not detect collecting water with bottles
  • MC-207678 – Sculk sensors do not detect collecting honey bottles
  • MC-207679 – Sculk sensors do not detect the breaking of bee nests and beehives in Creative mode
  • MC-207745 – Sculk sensors do not detect when ender dragons shoot fireballs
  • MC-208193 – Sculk sensors do not detect removing things from flower pots
  • MC-208194 – Sculk sensors do not detect when candle cakes are eaten
  • MC-208477 – Going into a dimension that has height higher than the maximum height crashes the game
  • MC-209361 – Game crashes upon instantly click-replacing the block underneath a bamboo sapling with another bamboo
  • MC-209625 – Baby llamas suffocate when below a solid block while standing on top of a carpet
  • MC-212117 – Placing glow lichen in lava creates waterlogged glow lichen
  • MC-212141 – Shulkers get rotated when upgrading to 21w03a
  • MC-212149 – Shulker is sometimes mis-rotated when player teleports through a nether portal and reloading an active chunk with Shulker
  • MC-212284 – Crammed enitities pushed through blocks when growing to adults
  • MC-212290 – Commands “setblock” and “fill” don’t work at or above height 1024 in some cases
  • MC-212291 – Client can dismount vehicles independently from the server, causing a de-sync
  • MC-212331 – Boats dismount you in the direction the boat is facing instead of the direction of the player
  • MC-212347 – Importing custom world file height is limited to 2047 instead of 2048
  • MC-212422 – Game crashes when generating a world with increased height limit
  • MC-212532 – Shulkers are spawned slightly mis-rotated after a shulker was hit by another shulker’s shulker bullet
  • MC-212537 – Standing near a shulker slightly lifts you when they open
  • MC-212541 – Shulkers are often incorrectly rotated upon generation
  • MC-213512 – Copper blocks are named differently from bedrock edition

GET THE SNAPSHOT

Snapshots are available for Minecraft: Java Edition. To install the snapshot, open up the Minecraft Launcher and enable snapshots in the “Installations” tab.

Snapshots can corrupt your world, so please backup and/or run them in a different folder from your main worlds.

Cross-platform server jar:

Report bugs here:

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