Facings on them are significantly different allowing more flexion and range of motion.
Boot fits tighter than the current TF design due to the change in the toe cap assembly.
Tendon guard is more flexible.
Skate is lighter.
I’m an open minded and progressive guy in most of my life. But, every time a new next gen type jersey comes out I am a belligerent old man yelling about “kids these days” and “hell in a hand basket.”