20w45a is the first snapshot for Java Edition 1.17, released on November 4, 2020. It adds the first Caves & Cliffs features.
Additions[]
- Amethyst Bud
- Amethyst Cluster
- Block of Amethyst
- Budding Amethyst
- Calcite
- Candles
- Block of Copper
- Copper Ore
- Cut Copper
- Cut Copper Slab and Cut Copper Stairs
- Lightning Rod
- Tinted Glass
- Tuff
- Amethyst Shard
- Bundle
- Copper Ingot
- Spyglass
- Geodes
Changes[]
- Cauldrons can now be filled with lava
- Grass Path renamed to "Dirt Path"
- All rails are now able to be waterlogged
- Flowing water no longer breaks rails
- Cakes have a variation called "Candle Cake"
- If a shulker is hit by another shulker's projectile, it now has a chance of spawning a new shulker