Java Edition 20w45a

20w45a is the first snapshot for Java Edition 1.17, released on November 4, 2020, which adds the first Caves & Cliffs features.

Blocks

 * Candle
 * Copper Ore
 * Tinted Glass
 * Block of Copper
 * Amethyst Cluster
 * Lightning Rod
 * Block of Amethyst
 * Budding Amethyst
 * Calcite
 * Tuff

Items

 * Amethyst Shard
 * Copper Ingot
 * Bundle
 * Spyglass