Angular 1.0 was released on Jun 13, 2012, and was built on the API developed much longer ago (and was compatible with it). So this is the first massive API cha

Angular 1.0 was released on Jun 13, 2012, and was built on the API developed much longer ago (and was compatible with it). So this is the first massive API change in probable well over five years, with lots of technology changes happening around (most importantly ES6).