Java Edition 1.18 Pre-release 1

1.18 Pre-release 1 (known as 1.18-pre1 in the launcher) is the first pre-release for Java Edition 1.18, released on November 11, 2021, which readded Amplified and Large Biomes, made some tweaks, and fixed bugs.

General

 * World types
 * Readded Amplified and Large Biomes.
 * Have been adapted to the new terrain.

World generation

 * Upgrading of old worlds
 * Less "cliffy" transition between old and new terrain.
 * Now deepslate and bedrock layer will correctly generated under existing chunks.

General

 * Data generator
 * option now creates full worldgen reference files instead of just biomes.


 * World creation screen
 * Removed "Caves" and "Floating islands".