Wrath of the Lich King Classic Hotfixes - Updated January 9

Blizzad devs, we need an urgent fix for the quest NPCs not having any dialogue or gesture in BfA, Shadowlands and older expansions. It’s been a month and half since the bug was introduced and we still have no fix. Retail is in desperate need of some attention and the general feeling is that too much development is being dedicated to classic at the expense of retail. Bug is significant and it is affecting a LOT of players as you can see in those threads below: