Update 1.4

Update 1.3 is an upcoming update for Minecraft Pocket Edition confirmed by Tommaso Checchi on Reddit.

No builds have been released so far.

Features
Note: All features are listed as "possibly" until it can be confirmed whether or not Update 1.3 and the Update Aquatic are the same update.

General

 * Possibly spawning Fishes as Mobs
 * Possibly new Water physics

Biomes

 * Possibly hot and cold Ocean Biomes

Weapons

 * Possibly Trident

Enchantments

 * Possibly Loyalty
 * Possibly Riptide
 * Possibly Impaler
 * Possibly Slipstream Dash

Generated Structures

 * Possibly Shipwrecks
 * Possibly Icebergs

Mobs

 * Possibly Dolphins
 * Possibly Phantoms (Monster of the Night Skies)
 * Possibly Turtles

Blocks

 * Possibly Coral
 * Possibly Kelp
 * Possibly Turtle Eggs
 * Possibly Turtle Shells