Java Edition 18w10d

18w10d is the twenty-seventh snapshot released for Java Edition 1.13, which added coral reefs and more waterlogged blocks.

World generation

 * Coral reefs
 * Generate in warm ocean biomes.
 * Are composed of coral blocks and coral.

Blocks

 * Shulker boxes
 * Can now be undyed using a cauldron.
 * The water level in the cauldron will decrease by 1.

Mobs

 * Phantoms
 * Now burn in sunlight and no longer despawn during daytime.
 * Baby zombies
 * Now burn in sunlight.

General

 * Waterlogging
 * Water physics.
 * Water can now be placed in ender chests, trapdoors, ladders, and signs.
 * Water no longer goes through solid faces.


 * Optimizations
 * Optimized how clouds are rendered.

Video
Video made by slicedlime:

Trivia

 * This is the first time since 15w36d that a fourth snapshot was released in a single week.