SnapBack 2.7.1 was released yesterday evening. The only new feature in this version is the ability to define and use a hot key to snap back, but there are also several bug fixes and reliability improvements.
And if you wonder what happened to the 2.7, well, it's been stuck for some time waiting for Apple's approval, during which I fixed one more bug. So when I got the green light from Apple, I immediately submitted the 2.7.1, which was approved almost immediately, and here it is.
Download and everything, here.