What’s New in Angular 4? What are the Improvements in Angular 4?
Smaller & Faster Apps- Angular 4 applications is smaller and faster in comparison
with Angular 2.
View Engine Size Reduce – Some changes under to hood to what AOT generated code compilation means in Angular 4, improved the compilation time. These changes are reduced around 60% size in most of the cases.
Animation Package – Animations now have their own package i.e. @angular/platform-browser/animations
Improvement – Some Improvement on *ngIf and *ngFor.