Java Edition 18w16a

18w16a is the thirty-second snapshot released for 1.13.

Additions

 * World Generation
 * New custom world type: Buffet
 * Readded a way to play with single biome worlds.
 * Can be created by selecting Buffet World as a world type.
 * Another way to generate chunks is available.
 * There might be more things added in the next versions.

Changes

 * Coral fans now generate neutrally
 * Drowned now spawn in Underwater Ruins
 * Blue ice is less slippery
 * Mining coral blocks now requires Silk Touch to drop them
 * Conduit Power now gives a different effect
 * Water Breathing from Turtle Shells no longer show particles
 * Nerfed Turtle Shells
 * Changed block and item tags for Coral Blocks