Blizzard has published patch notes for Phase 2 of the Dragonflight pre-expansion, including the addition of a special pre-launch event and playable Dracthyr Evokers.
Dragonflight Pre-Patch Overview
The Dragonflight Pre-Expansion Phase 2 update is around the corner! Get ready to create a dracthyr Evoker and journey through the Forbidden Reach, ward off attacks from the Primalists in the Primal Storms in-game event, and brave the new dungeon, Uldaman: Legacy of Tyr.