What changed
Quest-giver characters with an exclamation mark
WoW Forever official art; no zone stated. Image © Blizzard Entertainment, Inc. Source: World of Warcraft: Forever official game page (https://worldofwarcraft.blizzard.com/en-us/forever).

WoW Forever quests: what's new and what changed

1,000+ new quests across levels 1–60 (Blizzard). Below: the quest changes we've confirmed. Classic Era baseline = carried over, no known Forever change.

New Forever quests we've confirmed

Quest Zone Notes
Book Return Elwynn Forest Named in Blizzard's beta notes (extra Book Bag fix)
Escaping Ban'ethil Teldrassil Escort from Ban'ethil to Dolanaar
Kyle's Gone Missing! Mulgore Added in the 1 Oct beta build
Catching Wind, Wounds of Betrayal, A Firm Response Zephras Isle Skyborne starter quests, all reworked or fixed during the beta
Exploring the Horde Zephras Isle Horde introduction; ends with Lady Sylvanas Windrunner in the Undercity
An Alarming Request (A); Key to the City / Prison Break-In (H) Hillsbrad Foothills City of Dalaran dungeon attunement
Waylaid Crates Redridge Mountains Merchant's Favor turn-ins from level 10

Classic quests changed in the beta

Quest Where Change
Treacherous Cold Dun Morogh Rifle loot fixed
Lost in the Shadows Durotar Escort resets sooner
A Humble Task Mulgore Water pitchers respawn faster
In Defense of the King's Lands Loch Modan Troggs respawn slower
Plundering the Plunderers Rogue Map markers added
Official WoW Forever image: waterside wooden structure at dusk
Image © Blizzard Entertainment, Inc. Source: Blizzard News

Dungeon, class and addon notes

Topic What we know
Dungeon quests 50% less bonus XP (Blizzard beta notes). Do them for rewards. New dungeons have own chains, e.g. City of Dalaran attunement in Hillsbrad. Dungeons by level
Class quests Classic Era baseline; no confirmed Forever changes yet
Addons Questie-style addons work under the modern addon API (UI allowed, combat automation restricted). Addons

Tooltips: Wowhead (Classic Era data). Forever-only quests are unlinked.