"In addition to these changes above, we’re adjusting how many tooltips are generated. This may cause some websites to show that the damage or healing of almost every single Enhancement ability has changed.
Do not panic; we are not lowering all of your damage and healing! This will be a behind-the-scenes data adjustment only."
- Enhancement Shaman Decreases damage/healing by 43%: Crash Lightning, Crashing Storm, Earthen Spike, Earthquake, Elemental Spirits, Feral Lunge, Flametongue, Flametongue Attack, Frostbrand, Fury of Air, Hailstorm, Lava Lash, Lightning Bolt, Lightning Shield, Rockbiter, Searing Assault, Stormstrike, Stormstrike Off-Hand, Sundering, Windfury, Windfury Attack, Windstrike, Windstrike Off-Hand Decreases periodic damage/healing by 43%: Crash Lightning, Crashing Storm, Earthen Spike, Earthquake, Elemental Spirits, Feral Lunge, Flametongue, Flametongue Attack, Frostbrand, Fury of Air, Hailstorm, Lava Lash, Lightning Bolt, Lightning Shield, Rockbiter, Searing Assault, Stormstrike, Stormstrike Off-Hand, Sundering, Windfury, Windfury Attack, Windstrike, Windstrike Off-Hand
- Increases damage/healing by 100%: Earth Shield Shaman - Enhancement Spec. Shaman - Enhancement Spec.
Basically they're simplifying the spec damage modifiers.
Enhance looks like it's actually getting a buff.