Angular suits front-end development and single-page applications. Angular is developer-friendly, quick, and robust. This is why we recommend Angular to our clients. Angular also makes apps easier to handle CRUD operations and improves performance, load time, etc.
In 2016 Angular2 is released to remove the complexity of Angular. Since then other releases are called Angular2+. Angular 2+ is component-driven, targets ES6, using typescript and makes it harder for hacks or workarounds, that compromise the security of the particular business domain.