Minecraft: Java Edition Snapshot 21w08a Bigger Caves, Bug Fixes, and More

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Mojang Studios recently released a new update for the testing version of Minecraft: Java Edition's called Minecraft Snapshot. The latest update increases the cave sizes to make them bigger than before, which means players can search for more resources within. The developers have renamed Grimstone to Deepslate, and it has a top texture that makes it stand out.

Some ores like the emerald and lapis lazuli have received a small touch-up, making them look shinier. The developers have also brought back Mineshafts and you can find them generating in the open air of the caves.

Minecraft: Java Edition Snapshot 21w08a


  • Tweaked cave sizes further
  • Canyon and cave carvers now apply below y=0
  • Cracks can now be found carved into the ground
  • Grimstone has been changed into Deepslate
  • Added Deepslate ores
  • The distribution of ores has been further tweaked
  • Andesite no longer generates under y=0
  • Tuff now sometimes generates under y=0
  • The Tuff layer of amethyst geodes has been replaced with now a new type of stone called Smooth Basalt
  • Smooth Basalt is now obtained from smelting Basalt
  • Another round of tweaking has been done to the new textures of ores and Blackstone
  • Emerald and Lapis Lazuli ore textures have had some touch-ups
  • Mineshafts now once again generate in the open air in caves
  • Particles now appear in the air around spore blossoms
  • Slime Blocks and Honey Blocks have been moved to the Redstone tab of the creative inventory


  • Grimstone is now called Deepslate
  • Deepslate now has a top texture, and a new block called Cobbled Deepslate drops from Deepslate
  • The cobbled variant is the same but without the top texture, and is used to craft all Deepslate variants instead
  • Deepslate now has a unique set of sounds! Very crunchy indeed

Deepslate ores

  • Added Deepslate versions of Iron, Gold, Lapis, Redstone, and Diamond ores that generate wherever those ores replace Deepslate
  • Twice as tough to mine as normal ores

Bug fixes

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

You can read more about the update here.

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