2.1 patch notes (part 1)
World of Warcraft Client Patch 2.1.0
The latest patch notes can always be found at http://www.worldofwarcraft.com/patchnotes/
Druid Epic Flight Form Introduced
Ethereum Prison
Skettis
Nether Drake
Ogri'la
The Ruins of Lordaeron Arena
General
PvP
Druids
Hunters
Mages
Paladins
Priests
Rogues
Shaman
Warlocks
Warriors
Pets