Me too. Plus, it takes nearly two full minutes for the program to boot on my Mac Pro. Double-clicking or right-click/opening a file doesn't work. The only way I've found to open a file is to drag & drop it into Z-Suite. And if slicing performance has been "enhanced" I can't see a change.
Sadly buggy. Doesn't Zortrax even test before release? I'm going back to 1.5.1. That slices agonizingly slowly but at least it works.