Java Edition 21w11a

21w11a is the fourteenth snapshot for Java Edition 1.17 released on March 17, 2021, which fixes bugs and adds new copper oxidation features.

General

 * Controls
 * Added shortcut to generate and persist performance metrics from in-game

Blocks

 * Lightning Rod
 * Can now be waterlogged


 * Rooted Dirt
 * Using bone meal on rooted dirt now grows hanging roots underneath


 * Block of Copper
 * Right-click with Honeycomb on Copper Blocks to wax them
 * Use honeycomb in a dispenser to wax Copper Blocks
 * Axes can scrape off wax and oxidation off Copper Blocks
 * Lightning strike hitting Copper will clean its oxidation
 * Waxed Copper Blocks can be crafted into 4 Copper Ingots


 * Big Dripleaf
 * Breaking a Big Dripleaf stem now drops a Big Dripleaf Block


 * Hanging Roots
 * Now renders randomly offset


 * Moss Block
 * Moss Blocks can be crafted with cobblestone or stone bricks to make the mossy versions of those blocks


 * Small Dripleaf
 * The facing direction of Small Dripleaf Blocks is now determined by which direction the player is facing when placing it


 * Amethyst Cluster
 * Fully-grown Amethyst Clusters now drop 4 Amethyst Shards (or more with Fortune) when mined with a pickaxe, and drop 2 Amethyst Shards when broken by hand, piston, or other means

World generation

 * Tweaked the cave sizes
 * Slightly increased the frequency of Diamond Ore blobs