Square Enix have released patch notes for Final Fantasy XIV: Heavensward patch 3.01. This patch will introduce the new raid dungeon Alexander: Gordias, along with a number of adjustments to job actions as well as known issues with the game.
Among the new content is a new “Chronicles of a New Era” quest. This requires the player to have completed the main scenario quest “Heavensward”. The patch also adds new FATEs to the game as well as several new pieces of gear at Equipment Level 60.
You can find the full set of patch notes on the game’s official website.