https://wccftech.com/blizzard-disabling-battle-for-azeroth-lfg-addons/

Blizzard’s game director on World of Warcraft, Ion Hazzikostas, has commented on the recent nerfing of World of Warcraft: Battle for Azeroth LFG addons.

The group finder in Battle for Azeroth was recently updated, and seemingly, the auto-accept button was removed from the Group Finder Option. As such, players now have to manually accept every players that want to join a group.