Java Edition 21w10a

21w10a is the thirteenth snapshot for Java Edition 1.17, released on March 10, 2021, which adds lush caves and new deepslate variants.

Additions

 * Lush caves
 * Added the Lush Caves biome.


 * Cracked Deepslate Bricks
 * Added the variation cracked of Deepslate bricks.


 * Cracked Deepslate Tiles
 * Added the variation cracked of Deepslate tiles.


 * Infested Block
 * Added a Infested variant of Deepslate.


 * Deepslate Ore
 * Added the deepslate ore for copper, emerald and coal ore, but they will not generate in the world by default, they only have been added for use by creators of maps and data packs.

Changes

 * Deepslate
 * The texture has been changed.


 * Cobbled Deepslate
 * Can now be smelted into Deepslate.


 * Ores
 * The textures of some ores have been updated.


 * Fossils
 * The fossils in the deepest part of the underground generate with Deepslate Diamond Ore instead of Coal Ore.


 * Lightning Rod
 * Can now be waterlogged.