"Stealth base cooldown has been reduced to 4 seconds, down from 10, and the movement penalty from being in Stealth has been removed."
So that means you walk at same speed in or out of stealth, which for most rogues is 115%, correct?
"Nightstalker now reduces the cooldown of Stealth by 2/4 seconds, and instead of negating the movement penalty from Stealth, it adds a 5/10% movement speed bonus (stacking with other effects) while Stealthed."
Now, with this, you'd walk at 125% speed while stealthed! I think there is something wrong there, the movement speed while stealth should be 110%. Can someone clarify this?
Mod Edit: Confirmed on Pages 4, 5, and later that it stacks multiplicatively with Quickening, causing an 126%+ movement speed increase while stealthed. - Simca