Blizzard has announced that Patch 10.2 Guardians of the Dream launches on November 8th, with Season 3 beginning the following week on November 15th.
Patch 10.2 is Dragonflight's third Season, adding a wealth of content exploring a new zone in the Emerald Dream, a new faction of Dream Wardens to befriend, a brand new Mythic+ rotation, solo PvP Brawl updates, and a new raid protecting Amirdrassil from Fyrakk in which strength users can obtain a new legendary weapon!
Alongside that content, players will also unlock new Dragonriding mounts and customization, the ability to use old-world flying throughout the Dragon Isles, play with major class reworks to Rogue and Demon Hunter, and customize their Druid forms with a multitude of new options!
See https://www.wowhead.com/guide/dragonflight-patch-10-2-guardians-of-the-dream-overview for more information.
