Java Edition 18w32a

18w32a is the fourth snapshot of 1.13.1.

Additions

 * Added dead coral.
 * Dead variants of corals.
 * Can be placed on top of blocks.

Blocks

 * Coral
 * Can now be placed in air.
 * They will turn into dead coral after a short moment.

General

 * Optimized performance
 * Entities no longer fall through the entire world when they are inside blocks