2.4 is alrdy

Third Coil of Bahamut
True AF2 (Maybe)
Final Form of Zodiac Weapons (Maybe)
New Main Story Quests
New Hillidebrand Quests (Spelling?)
Shiva
Gigas/Giants Beastmen and Beastment Tribe Quests

and Add Gold Saucer to that, along with Chocobo Breeding, Chocobo Races, and all the other Mini games in Gold Saucer

Patch 2.4 is going to be Krazy o.0