Bedrock Edition 1.4.0

1.3, also known as Update Aquatic, is an upcoming update to Bedrock Edition set to be released in Q2 2018. It will focus mainly on ocean content, make improvements to performance based on Java Edition and the experimental Plutonium Mode.

Gameplay

 * Most of Update Aquatic features


 * Movement
 * When sprinting while swimming, the player will now go much faster than normal swimming, and rapidly dive down to the lowest point in the body of water.

Blocks

 * Coral
 * Sea grass
 * Kelp

Items

 * Trident
 * A weapon
 * Can be thrown by it, or be used as a melee weapon by, dealing  damage.

Mobs

 * Fish mobs
 * Cod

World generation

 * Biomes
 * Deep Lukewarm Ocean
 * Deep Frozen Oceans