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Minecraft 21w08a

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

2,075 names shipped in this version. Each result opens the wiki page for that thing.

Contents (10)
  1. What changed in 21w08a
  2. Blocks
  3. Items
  4. Sound events
  5. How to make the new things
  6. New in-game text
  7. Fixes
  8. Development cycle
  9. Browse this version
  10. Neighbouring versions

Java What changed in 21w08a

Everything below is measured by comparing the game files of 21w07a with 21w08a — not copied from patch notes.

+24Blocks
+24Items
+20Sound events
21w08a block and item additions

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

Blocks +24 · −17

Chiseled DeepslateCobbled DeepslateCobbled Deepslate SlabCobbled Deepslate StairsCobbled Deepslate WallDeepslateDeepslate Brick SlabDeepslate Brick StairsDeepslate Brick WallDeepslate BricksDeepslate Diamond OreDeepslate Gold OreDeepslate Iron OreDeepslate Lapis OreDeepslate Redstone OreDeepslate Tile SlabDeepslate Tile StairsDeepslate Tile WallDeepslate TilesPolished DeepslatePolished Deepslate SlabPolished Deepslate StairsPolished Deepslate WallSmooth Basalt

Removed: minecraft:chiseled_grimstone, minecraft:grimstone, minecraft:grimstone_brick_slab, minecraft:grimstone_brick_stairs, minecraft:grimstone_brick_wall, minecraft:grimstone_bricks, minecraft:grimstone_slab, minecraft:grimstone_stairs, minecraft:grimstone_tile_slab, minecraft:grimstone_tile_stairs, minecraft:grimstone_tile_wall, minecraft:grimstone_tiles, minecraft:grimstone_wall, minecraft:polished_grimstone, minecraft:polished_grimstone_slab, minecraft:polished_grimstone_stairs, minecraft:polished_grimstone_wall

Items +24 · −17

Chiseled DeepslateCobbled DeepslateCobbled Deepslate SlabCobbled Deepslate StairsCobbled Deepslate WallDeepslateDeepslate Brick SlabDeepslate Brick StairsDeepslate Brick WallDeepslate BricksDeepslate Diamond OreDeepslate Gold OreDeepslate Iron OreDeepslate Lapis OreDeepslate Redstone OreDeepslate Tile SlabDeepslate Tile StairsDeepslate Tile WallDeepslate TilesPolished DeepslatePolished Deepslate SlabPolished Deepslate StairsPolished Deepslate WallSmooth Basalt

Removed: minecraft:chiseled_grimstone, minecraft:grimstone, minecraft:grimstone_brick_slab, minecraft:grimstone_brick_stairs, minecraft:grimstone_brick_wall, minecraft:grimstone_bricks, minecraft:grimstone_slab, minecraft:grimstone_stairs, minecraft:grimstone_tile_slab, minecraft:grimstone_tile_stairs, minecraft:grimstone_tile_wall, minecraft:grimstone_tiles, minecraft:grimstone_wall, minecraft:polished_grimstone, minecraft:polished_grimstone_slab, minecraft:polished_grimstone_stairs, minecraft:polished_grimstone_wall

Sound events +20

Block.Deepslate.BreakBlock.Deepslate.FallBlock.Deepslate.HitBlock.Deepslate.PlaceBlock.Deepslate.StepBlock.Deepslate Bricks.BreakBlock.Deepslate Bricks.FallBlock.Deepslate Bricks.HitBlock.Deepslate Bricks.PlaceBlock.Deepslate Bricks.StepBlock.Deepslate Tiles.BreakBlock.Deepslate Tiles.FallBlock.Deepslate Tiles.HitBlock.Deepslate Tiles.PlaceBlock.Deepslate Tiles.StepBlock.Polished Deepslate.BreakBlock.Polished Deepslate.FallBlock.Polished Deepslate.HitBlock.Polished Deepslate.PlaceBlock.Polished Deepslate.Step

How to make the new things 28

Hover a slot to see what goes in it.

ResultMade inRecipe
Chiseled DeepslateCrafting
Chiseled DeepslateStonecutting
Cobbled Deepslate SlabCrafting6
Cobbled Deepslate SlabStonecutting
Cobbled Deepslate StairsCrafting4
Cobbled Deepslate StairsStonecutting
Cobbled Deepslate WallCrafting6
Cobbled Deepslate WallStonecutting
Deepslate Brick SlabCrafting6
Deepslate Brick SlabStonecutting
Deepslate Brick StairsCrafting4
Deepslate Brick StairsStonecutting
Deepslate Brick WallCrafting6
Deepslate Brick WallStonecutting
Deepslate Tile SlabCrafting6
Deepslate Tile SlabStonecutting
Deepslate Tile StairsCrafting4
Deepslate Tile StairsStonecutting
Deepslate Tile WallCrafting6
Deepslate Tile WallStonecutting
Polished DeepslateCrafting4
Polished Deepslate SlabCrafting6
Polished Deepslate SlabStonecutting
Polished Deepslate StairsCrafting4
Polished Deepslate StairsStonecutting
Polished Deepslate WallCrafting6
Polished Deepslate WallStonecutting
Smooth BasaltSmeltingSmelting10.0s · 0.1 XP

New in-game text 24

KeyText
block.minecraft.chiseled_deepslateChiseled Deepslate
block.minecraft.cobbled_deepslateCobbled Deepslate
block.minecraft.cobbled_deepslate_slabCobbled Deepslate Slab
block.minecraft.cobbled_deepslate_stairsCobbled Deepslate Stairs
block.minecraft.cobbled_deepslate_wallCobbled Deepslate Wall
block.minecraft.deepslateDeepslate
block.minecraft.deepslate_brick_slabDeepslate Brick Slab
block.minecraft.deepslate_brick_stairsDeepslate Brick Stairs
block.minecraft.deepslate_brick_wallDeepslate Brick Wall
block.minecraft.deepslate_bricksDeepslate Bricks
block.minecraft.deepslate_diamond_oreDeepslate Diamond Ore
block.minecraft.deepslate_gold_oreDeepslate Gold Ore
block.minecraft.deepslate_iron_oreDeepslate Iron Ore
block.minecraft.deepslate_lapis_oreDeepslate Lapis Lazuli Ore
block.minecraft.deepslate_redstone_oreDeepslate Redstone Ore
block.minecraft.deepslate_tile_slabDeepslate Tile Slab
block.minecraft.deepslate_tile_stairsDeepslate Tile Stairs
block.minecraft.deepslate_tile_wallDeepslate Tile Wall
block.minecraft.deepslate_tilesDeepslate Tiles
block.minecraft.polished_deepslatePolished Deepslate
block.minecraft.polished_deepslate_slabPolished Deepslate Slab
block.minecraft.polished_deepslate_stairsPolished Deepslate Stairs
block.minecraft.polished_deepslate_wallPolished Deepslate Wall
block.minecraft.smooth_basaltSmooth Basalt
Full comparison pageEvery registry, side by side

Fixes 3

Read from Mojang’s own release notes for Minecraft Snapshot 21w08a, published 2021-02-24. Every entry keeps its original bug ID.

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

Fixed bugs in 21w08a 3

  • MC-213926 Rooted dirt footstep sounds are considerably quieter than normal dirt footstep sounds
  • MC-214782 Geodes can generate floating in caves
  • MC-214843 Old style caves don't generate past Y=0

Development cycle

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

Minecraft 1.17The release this one led to

Browse this version

BlocksEvery blockItemsEvery itemRecipesEvery recipeTagsEvery tag

Neighbouring versions

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