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. Builds had been released with the version number 1.2.13.X and 1.2.14.X.

Gameplay

 * Most of Update Aquatic features


 * Movement
 * New swimming animation


 * Enchantments
 * Channeling
 * Only has one level.
 * Used on tridents to summon a lightning bolt on impact with a mob during storms.
 * Requires the target mob to be directly under an open sky and in a biome where it is raining.
 * Impaling
 * Goes up to level V.
 * Used on tridents to deal more damage to sea creatures.
 * Loyalty
 * Goes up to level III.
 * Used on tridents to make it return when thrown.
 * Riptide
 * Goes up to level III.
 * Used on tridents to launch the player when thrown while in water or rain.

Blocks

 * Stripped logs
 * A smoother variant of logs
 * Created by right-clicking with an axe on a log.
 * Act as regular logs, and can still be used to craft planks.
 * Coral
 * Sea grass
 * Kelp
 * Prismarine stairs and slabs
 * Both come in 3 variants: prismarine, dark prismarine, and prismarine bricks
 * Stairs can be crafted with 6 of their respective material
 * Slabs can be crafted with 3 of their respective material

Items

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

Mobs

 * Fish mobs
 * Cod
 * Drowned

World generation

 * Biomes
 * Deep Lukewarm Ocean
 * Deep Frozen Oceans