From our friends i stated before:

Currently, the content set for Patch 2.2 (March) is as follows:

Leviathan Primal Battle (Hard and Extreme Modes)
The Amdapor Township Dungeon
The Binding Coil of Bahamut Extension
Thornmarch Extreme Mode
Brayflox’s Longstop Hard Mode
Halatali Hard Mode
New Daily Beast Tribe Quests (Kobold and Sahagin)
New Hildibrand storyline
New Allagan Tomestone types
Glamours Vanity System named Mirage Prism
New advanced crafting recipes
New fishing challenges
New Aesthetician hairstyles