These are the announced changes we're planning in 2.3 for the Shaman class.


Shamanistic Rage will reduce all damage taken by 30% for the duration-
http://forums.worldofwarcraft.com/thread.html?topicId=1778014822&postId=19971511399&sid=1#34

Frost Shock no longer subject to diminishing returns-
http://forums.worldofwarcraft.com/thread.html?topicId=1778036755&postId=19971511792&sid=1#15

Two handed weapons trainable (axes/maces) for Shaman and a new talent elemental focus added-
http://forums.worldofwarcraft.com/thread.html?topicId=1778014822&postId=19971511961&sid=1#67

New relics being added for Shaman, Paladins, and Druids-
http://forums.worldofwarcraft.com/thread.html?topicId=1778014822&postId=19971513460&sid=1#221

Lightning Overload, Mana Spring Totem, Water Shield, Elemental Focus, Lightning Bolt, Lightning Overload, Lightning Mastery
http://forums.worldofwarcraft.com/thread.html?topicId=1778587210&postId=19994016645&sid=1#65