Coming in patch 8.2, there's a new raid, Azshara's Eternal Palace. The new raid opens 7/9/19 in Normal and Heroic difficulties. On 7/16/19 Mythic difficulty opens as well as the first wing of LFR. The second LFR wing opens 7/30/19 and the final wing of LFR opens 8/13/19. Raid finder requires item level 380+ to queue.

Loot:

RF	400+
Normal	415+
Heroic	430+
Mythic	445+

1. The Grand Reception
• Commander Sivara
• Blackwater Behemoth
• Radiance of Azshara
2. Depths of the Devoted
• Lady Ashvane
• Orgozoa
• The Queen's Court
3. The Circle of Stars
• Za'qul
• Queen Azshara

See the wowhead guide which includes links to the Fatboss videos.