Blizzard has posted hotfixes for April 6th, 2022 which includes Zereth Mortis World Quests.
Here you'll find a list of hotfixes that address various issues related to World of Warcraft: Shadowlands, Burning Crusade Classic and WoW Classic.Some of the hotfixes below take effect the moment they were implemented, while others may require scheduled realm restarts to go into effect. Please keep in mind that some issues cannot be addressed without a client-side patch update.
This list will be updated as additional hotfixes are applied.HotfixesApril 6, 2022 AchievementsWorld Quests in Zereth Mortis should now count for «The World Beyond» achievement. QuestsWorld Quests in Zereth Mortis will now contribute progress to quest The World Awaits.
Read more on wowhead.com