Originally Posted by Blizzard Entertainment
Divine Aegis duration has been increased to 15 seconds, up from 12.
Dispel Magic can only be used on the casting priest as a baseline effect.
Holy Fire damage has been increased to be approximately 30% higher than Smite.
Holy Word: Sanctuary has a new spell effect.
Inner Will and Inner Fire now last until canceled.
Mind Sear damage has been doubled.
Power Word: Shield duration has been reduced to 15 seconds, down from 30.
Talent Specializations
Discipline
Absolution (new passive) enables priests to use Dispel Magic on up to 2 harmful effects on friendly targets.
Atonement now works with Holy Fire in addition to Smite.
Power Word: Barrier's cooldown has been increased to 3 minutes, up from 2, and its effect has been reduced to 25%, down from 30%.
It is now possible to remove Weakened Soul effects that were a result of another priest's Power Word: Shield through Strength of Soul.
Holy
Absolution (new passive) enables priests to use Dispel Magic on up to 2 harmful effects on friendly targets.
Glyphs
Glyph of Divine Accuracy now also affects Holy Fire in addition to Smite.