1. Final Fantasy XIV's Patch 6.4, titled "Dawntrail," introduces new content and features to the game, including the Myths of the Realm: Dawntrail raid series, which continues the story of the Myths of the Realm questline. The new raid features a "field operations" system, allowing players to explore and engage with the environment during the raid encounters.

2. The Myths of the Realm: Dawntrail raid series will be released in two parts, with the first part launching in Patch 6.4 and the second part coming in a future update. The raid promises to offer a more open-ended and exploratory experience compared to previous raid content in Final Fantasy XIV.

3. In addition to the new raid content, Patch 6.4 also introduces other updates, such as new main scenario quests, new side quests, and new items and systems. The patch aims to provide a fresh and engaging experience for Final Fantasy XIV players, building upon the game's ongoing narrative and expanding the scope of its endgame content.