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Minecraft 21w13a

Weekly work-in-progress build. Things break and get removed again. Full source data for this version is extracted and browsable below.

2,091 names shipped in this version. Each result opens the wiki page for that thing.

Contents (12)
  1. What changed in 21w13a
  2. Blocks
  3. Items
  4. Mobs and entities
  5. Particles
  6. Sound events
  7. New in-game text
  8. Reworded text
  9. Fixes
  10. Development cycle
  11. Browse this version
  12. Neighbouring versions

Java What changed in 21w13a

Everything below is measured by comparing the game files of 21w11a with 21w13a — not copied from patch notes.

+1Blocks
+2Items
+1Mobs and entities
+1Particles
+11Sound events
21w13a block and item additions

2 new blocks and items. Hover a slot for the name; click to open its page.

Blocks +1

Items +2

Mobs and entities +1

Particles +1

Sound events +11

New in-game text 5

KeyText
block.minecraft.lightLight
entity.minecraft.goatGoat
item.minecraft.goat_spawn_eggGoat Spawn Egg
options.darkMojangStudiosBackgroundColorMonochrome Logo
options.darkMojangStudiosBackgroundColor.tooltipChanges the Mojang Studios loading screen background color to black.

Reworded text 2

Wording Mojang changed in this version.

KeyBeforeAfter
advancements.story.shiny_gear.titleCover Me With DiamondsCover Me with Diamonds
build.tooHighHeight limit for building is %s blocksHeight limit for building is %s

Fixes 110

Read from Mojang’s own release notes for Minecraft Snapshot 21w13a, published 2021-03-31. Every entry keeps its original bug ID.

110 issues fixed, read from Mojang’s own patch notes. Each entry keeps its original bug ID.

Bugs fixed in 21w13a 110

  • MC-3366 End portal appears transparent from below
  • MC-70738 Killing guardian with lava does not give cooked fish
  • MC-102269 Polar bears drop raw fish instead of cooked fish when killed with fire or lava
  • MC-108636 There are a number of unused texture files
  • MC-123587 Kicked from the game when reaching y levels over 30,000,000
  • MC-124667 Air can be used in custom recipes, causing a crash
  • MC-136776 Some NBT tags are not kept when fish or axolotl mobs are caught in water buckets
  • MC-167853 Observer doesn't detect when a grass block changes to dirt if a tree grows on top
  • MC-174701 Leash knot sound effect plays when loading singleplayer world
  • MC-187544 'Cover Me With Diamonds' advancement improperly capitalized
  • MC-190774 Stonecutter saw spins both ways simultaneously
  • MC-194183 Some experience points do not go towards Mending repair, even if the Mending gear is not fully repaired
  • MC-195640 Suspicious stew inedible with full hunger
  • MC-197073 Turtles laying eggs on red sand produce normal sand particles
  • MC-199065 Zombies that die while on fire do not drop baked potatoes
  • MC-199237 Back of ladder is incorrectly mirrored
  • MC-199239 Vines appear incorrectly mirrored when viewed from behind
  • MC-199242 Texture planes of crop models appear incorrectly mirrored from behind
  • MC-201748 Chain model planes are incorrectly mirrored on the rear
  • MC-201751 Chain section on lanterns is incorrectly mirrored from behind
  • MC-201753 Sea pickle green top sections do not render correctly from behind
  • MC-203553 Water bottle doesn't extinguish candles
  • MC-203605 Lightning rod bottom texture is mapped incorrectly
  • MC-203617 Can't "Pick Block" cauldrons with liquid or powdered snow inside
  • MC-203838 Aiming a spyglass with a loaded crossbow in offhand creates weird third person effect
  • MC-203847 Waterlogged candles can be lit
  • MC-204133 Candle extinguishing particle appears offset from the candle
  • MC-204430 Cauldrons filled with water, lava or powder snow cannot be used as a workstation for villagers
  • MC-205060 Powder snow does not cause underlying grass, mycelium or podzol to appear snowy
  • MC-205083 Mobs wearing leather boots spin around when walking on powder snow
  • MC-205106 Mobs that get damaged by powder snow can spawn inside powder snow
  • MC-205131 Landing on powder snow while wearing leather boots inflicts fall damage on Java, but not on Bedrock
  • MC-205143 The particles produced when extinguishing a campfire are misplaced
  • MC-205158 Powder snow inside textures are not correctly mirrored
  • MC-205169 Mobs don't path find across powder snow blocks when not wandering
  • MC-205302 Using /setblock to place a structure block defaults to save mode, unlike placing one by hand
  • MC-205613 Skeletons in powder snow spin when aiming at the player
  • MC-205885 Endermen holding water, lava or powder snow cauldrons don't drop cauldrons
  • MC-205914 Placing turtle egg/sea pickle onto turtle egg/sea pickle while sneaking doesn’t place it next to it, although placing candle onto candle does
  • MC-205918 Experience orb stacks that were used in the mending process lose their experience amount, even if the stack is still larger than one
  • MC-208075 Copper slabs and stairs are not included in the #minecraft:slabs and #minecraft:stairs tags
  • MC-208588 Axolotls change color when released from bucket / axolotl entity data isn't stored in the bucket item
  • MC-208594 Axolotls aren't required for the "Two By Two" advancement
  • MC-208647 Axolotls don't attack elder guardians
  • MC-208695 Semi-transparent pixels on axolotl textures
  • MC-208703 Axolotls don't give regeneration or remove mining fatigue
  • MC-208745 Explorer maps & filled maps turn blank after entering the nether or end
  • MC-209371 Can't cut stacks in half in furnace output
  • MC-212221 Glow item frames are rendered dark when a light source is nearby
  • MC-212305 Back face of glow lichen is not correctly mirrored from behind
  • MC-212736 Some world border faces are rendered mirrored, resulting in incorrect corners
  • MC-213552 Shulker hitbox does not immediately rotate after the shulker visually rotates
  • MC-213769 Rooted dirt is far from other dirt variants in the Creative inventory
  • MC-213771 Rooted dirt is in decorations tab
  • MC-213772 Certain faces of azalea are not culled by other blocks
  • MC-213777 Azalea and flowering azalea z-fight when placed next to blocks
  • MC-213789 Water behaves as if moss blocks were air
  • MC-213815 Grass, ferns, flowers, bushes, saplings and bamboo cannot be placed on top of rooted dirt
  • MC-213837 Can't pick block big dripleaf stem
  • MC-213841 Signs, banners, paintings & item frames cannot be placed on moss
  • MC-213860 Farmland/dirt path don't convert to dirt when moss is placed above
  • MC-213877 Cannot turn Rooted Dirt into a Dirt Path
  • MC-213878 Using bone meal on a small dripleaf shows breaking particles
  • MC-213899 Big Dripleaf can be rotated incorrectly by breaking and replacing it
  • MC-213907 Skeletons don't have a shaking animation while converting to strays
  • MC-213958 Azalea bushes connect to walls and fences
  • MC-214049 Mining rooted dirt is slightly faster than mining other dirt blocks
  • MC-214073 The azalea's side textures are partially cut off
  • MC-214097 Cake cannot be placed on top of a moss block
  • MC-214135 Converted moss blocks do not update redstone
  • MC-214181 Rooted dirt cannot be picked up by endermen
  • MC-214374 Redstone doesn't connect vertically on moss blocks
  • MC-214586 Rooted Dirt has no assigned tool
  • MC-214589 End gateway exit portals can be set to high coordinates, kicking the player
  • MC-214639 Rooted dirt is not randomly rotated
  • MC-214693 Tripwire texture is not mirrored correctly from behind
  • MC-214694 Tripwire which is part of a tripwire hook is not mirrored correctly from behind
  • MC-214695 Big dripleaf texture mirrored incorrectly from underneath
  • MC-214696 Small dripleaf texture mirrored incorrectly from underneath
  • MC-214698 Azalea top texture is mirrored incorrectly
  • MC-214818 Waterlogged pointed stalagmites don't drop when their support block is broken
  • MC-214858 Powered big dripleaf play tilting sounds when blocks are changed nearby
  • MC-214879 Selecting nothing and pressing Ctrl+C clears clipboard
  • MC-214901 Rain passes through moss blocks
  • MC-214965 Maximum building height is 319, but warning message says 320
  • MC-216820 Cobbled Deepslate Slab uses the stone sounds instead of the deepslate sounds
  • MC-217749 Small Dripleaf can't be placed on Rooted Dirt while waterlogged
  • MC-218888 Shift Clicking items into inventory prevents the relevant advancement from triggering
  • MC-219054 Can type text into anvil text field without putting an item in it, preventing you from closing the UI with E
  • MC-219103 The eyes of some entities can be seen through powder snow/lava
  • MC-219203 Mineshaft support legs can generate in lava
  • MC-219240 Inconsistency: cobbled deepslate does not take longer to mine than deepslate
  • MC-219635 There is no sound when defrosting from fire/lava (vanilla parity
  • MC-219740 Spyglass overlay broken while in water with fast graphics
  • MC-219850 There is no sound or subtitle for applying/removing/scraping wax or oxidation
  • MC-219868 Opening a UI darkens the background less than it used to
  • MC-219906 Minecraft crashes when spectating an entity submerged in water
  • MC-219920 Amethyst Blocks can no longer be gained by mining them
  • MC-219933 Shulker heads do not flash red when taking damage / when killed
  • MC-219937 Parity issue: Clouds are at y=192
  • MC-219973 Hanging Roots takes about a second to be mined
  • MC-219974 Big Dripleaf takes about a second to be mined
  • MC-220068 Experience orbs are no longer affected by the fog from powder snow/lava
  • MC-220069 Wither/creeper armor is no longer affected by the fog from powder snow/lava
  • MC-220070 Lightning is not affected by the fog from powder snow/lava
  • MC-220157 String is not affected by light levels
  • MC-220174 With graphics set to Fabulous!, blocks such as honey, slime and stained glass appear lit up in third person mode
  • MC-220269 Shader texture coordinate wrapping mode causes screen effects like glowing to wrap where they shouldn't
  • MC-220339 Beacon beam is not affected by the fog from powder snow/lava
  • MC-221146 Water fog still very subtle making water appear too clear in the distance

Development cycle

This build was part of the run-up to 1.17. Everything tested here landed in that release.

Browse this version