1.2 (month and a half after release)
- Maraudon is introduced:
- Gurubashi Arena Event
- The first Feast of Great-Winter Event
1.3 (two and a half months since last major patch)
- Dire Maul
- Azuregos
- Lord Kazzak
1.4 (one month after last patch)
- Epic Priest quest introduced
- Epic Hunter quest introduced
- PvP Honor System introduced
1.5 (two months after last patch)
- Battlegrounds are introduced:
- - Alterac Valley
- - Warsong Gulch
- All members of both the Horde and Alliance are reporting low stockpiles of various textile resources! Donations of cloth are now being accepted in the following locations: Darnassus, Stormwind, and Ironforge for the Alliance; Orgrimmar, Undercity, and Thunder Bluff for the Horde. Seek out an official Cloth Quartermaster for more information.
1.6 (one and a half months after last patch)
- Blackwing Lair introduced
- Darkmoon Faire introduced
- Battlemasters introduced
1.7 (two months after last patch)
- Zul'Gurub (new 20-player raid instance)
- Arathi Basin (15-player resource battleground instance)
- Stranglethorn Fishing Extravaganza
1.8 (one month)
- Dragons of Nightmare - The four corrupted dragons from the Emerald Dream.
- Silithus - Totally revamped zone for level 60 solo players and 5-man parties.
1.9 (two and a half months)
- Love is in the Air - Valentine's Day support.
- The Ruins of Ahn'Qiraj (outdoor 20-player instance)
- The Temple of Ahn'Qiraj (indoor 40-player instance)
1.10 (two and a half months)
- Weather effects
- Tier 0.5 armor sets, relevant questlines and new summonable bosses.
1.11 (three months)
- Naxxramas, (40-player raid instance), a massive necropolis floating above Stratholme
1.12 (two months)
- World Outdoor PvP enhancements
- Cross-Realm Battlegrounds