Differential Loading
Angular 8 takes advantage of Differential loading by default. It is a process by which the browser chooses between modern or legacy JavaScript based on its own capabilities.
Differential Loading
Angular 8 replates Angular 7’s custom loadChildren syntax with industry-standard dynamic imports.
Web Worker Support
You can now generate new web workers from the CLI. Web workers allow you to offload work to a background thread, for any sort of cpu-intensive processing such as image or video manipulation. Web workers are a great way to speed up your application.
TypeScript 3.4
@angular/core now depends on TypeScript 3.4. Now you can migrate the newest features of new typescript in your Angular App.