In the latest Dragonflight Beta build, Blizzard has also changed and removed some trash mobs in Halls of Valor which should reduce the difficulty slightly and allow this dungeon to be completed slightly faster.
Returning Dungeon Changes
Check out all the changes coming to the returning dungeons in Dragonflight Season 1: Halls of Valor, Shadowmoon Burial Grounds, Court of Stars and Temple of the Jade Serpent.