Minecraft wiki entry for Update_Aquatic, associated text: 1 Mobs
1.1 New
1.2 Changed
2 Blocks
2.1 New
2.2 Changed
3 Items
3.1 New
3.2 Changed
4 Potions
4.1 New
5 Effects
5.1 New
6 Enchantments
6.1 New
7 Structures
7.1 New
8 Biomes
8.1 New
9 Music tracks
9.1 New
10 Water
10.1 Swimming
10.2 Item and Experience
10.3 Bubble Columns
10.4 Breath
10.5 Vision