Death Knight

Blood

Scarlet Fever now lasts 21 sec, down from 30 sec.

Druid

Restoration

Rejuvenation now costs 20% of base mana, up from 16% of base mana.

Item Set

Sudden Eclipse now restores 20 Solar or 13 Lunar Energy. Up from 5 Solar or 7 Lunar.

Paladin

Holy

Divine Light now costs 33% of bse mana, up from 30% of base mana.
Flash of Light now costs 30% of base mana, up from 27% of base mana.
Holy Light now costs 10% of base mana, up from 9% of bse mana.
Walk in the Light now increases the effectiveness of healing spells by 10%, down from 15%.

Priest

Mind Blast base damage has been reduced by 21%. Now deals 1277 to 1349 Shadow damage, down from 1617 to 1709 Shadow damage.

Rogue

Combat

Blade Flurry now reduces energy regeneration by 30%, up from 20%.

Subtlety

Executioner now increases the effectiveness of Slice and Dice by 20%, up from 16%. Each point of Mastery increases damage by an additional 2.5%, up from 2%.
Elusiveness now reduces the Cooldown of Cloak of Shadow by 20 sec, up from 15 sec.

Shaman

Restoration

Healing Rain now has a 40 yards range, up from 30 yards.

Warlock

Pet Abilities

Devour Magic now has a 25 sec cooldown, up from 8 sec.

Warrior

Arms

Mortal Strike now costs 20 rage, down from 25.

Fury

Single-Minded Fury now increases damage by 20%, up from 15%.