These are the announced changes we have planned for Druids in patch 2.3.

The Restoration talent Intensity will be increased to 10/20/30% mana regeneration.
http://forums.worldofwarcraft.com/thread.html?topicId=1778587320&postId=19994013563&sid=1#1

Rebirth cooldown will be changed from 30 minutes to 20 minutes.
http://forums.worldofwarcraft.com/thread.html?topicId=1778587118&pageNo=1&sid=1#3

Moonkin can cast Remove Curse.
http://forums.worldofwarcraft.com/thread.html?topicId=1778027228&postId=19976317420&sid=1#10

Tree of Life Form can cast Cure Poison and Abolish Poison.
http://forums.worldofwarcraft.com/thread.html?topicId=1778027228&postId=19976317873&sid=1#40

Tranquility will receive additional additional benefit from spell damage and healing bonuses.
http://forums.worldofwarcraft.com/thread.html?topicId=1778587320&postId=19976318681&sid=1#39

The amount of attack power will be increased for items that grant additional attack power in Cat, Bear, Dire Bear, and Moonkin forms.
http://forums.worldofwarcraft.com/thread.html?topicId=2215471813&pageNo=1&sid=1#18