Starting with Dragonflight, World of Warcraft players will be able to maximize their Great Vault rewards with significantly less effort. The Great Vault, the main source of weekly guaranteed loot in World of Warcraft, is loosening up some of its requirements in Dragonflight.
https://gamerant.com/world-of-warcraft-great-vault-requirements-reduced-dragonflight-all-game-modes/
…as well as Mythic Season 1:
What World of Warcraft: Dragonflight Has In Store For Mythic Season 1