https://wccftech.com/wow-battle-for-azeroth-patch-8-3-ptr/

Blizzard has just announced World of Warcraft: Battle for Azeroth patch 8.3 ‘Visions of N’Zoth’ and its deployment on the PTR.

The ‘Visions of N’Zoth’ content update focuses on the return of the Old God and includes a new world, new instanced content, changes to existing systems and various other improvements. In a new blog post, Blizzard has detailed the new content and changes that are available for testing in the current PTR build: