Upgrading Angular 2.0.0 to 2.x.x

Currently our application is on the Angular 2.0 version. How important is it to keep updating it as and when Angular releases a new update?

In the changelog i dont see any breaking changes that need to be addressed immediately going from 2.0.0 to 2.4.2.

So is it necessary to upgrade our application from 2.0.0 to 2.4.2? Or should we just wait till there is another big release?

I would suggest upgrading to newer version of major release when:

• You came across the issue/bug which was fixed in newer version.
• There's a new feature which will come in handy.
• Changes positively affecting performance - e.g. AOT compiler which can be a deal breaker to some people, but it might require some code to be rewritten to make it AOT-friendly.