Wow, even down to the toes splaying when they hit the ground. I keep meaning to add that to my own characters...but sometimes if/when I animate them I don't even get around to the ears and tail despite having rigged them.
I do see a little popping on the left leg before it goes down, but maybe that's where the loop starts?
Wonderful job, though the side to side of her head is a little over exaggerated. I don't know anyone who walks with their heads bobbing side to side like that. That would be the only real downside to it.