Originally Posted by Blizzard Entertainment
Druid
Wild Growth (Restoration) now has a 1.5-second cast time.
Monk
Uplift (Mistweaver) now has a 1.5-second cast time.
Paladin
Eternal Flame and Word of Glory now each have a 1.5-second cast time when specced Holy.
Light of Dawn now has a 1.5-second cast time.
Priest
Cascade, Divine Star, and Halo now each have a 1.5-second cast time.
Prayer of Mending now has a 1.5-second cast time.
All of these changes taken together are intended to make gameplay more consistent between PvE and PvP, and invigorate healers with more dynamic gameplay.