What’s new with React? New lifecycle methods, context API, hooks, and lots more. While the fundamental principles of React have stayed the same, the way we write React apps has changed with each new release.  

If you learned React a while back, it’s possible that you haven’t been up to date with every new feature/release. It’s also possible to get lost in all the new features. Where exactly do you start? How important are they for your day to day use?

This course is your one-stop reference to most important React updates since V16 was released. We’ll walk through all the major features of modern React so you can stay in sync with the most recent changes while learning to write better software.

Reintroducing React: V16 and Beyond

We’re pretty much done with resolving the performance leaks in the application, however, there’s one more thing to do. 

### The Issue

The effect isn’t very obvious in this application but will come in handy as you face more cases in the real world such as situations where a `Provider` is nested within other components.  

The `Provider` in the bank application had the following implementation: 

We’re pretty much done with resolving the performance leaks in the application, however, there’s one more thing to do. 

# The Issue

The effect isn’t very obvious in this application but will come in handy as you face more cases in the real world such as situations where a `Provider` is nested within other components.  

The `Provider` in the bank application had the following implementation: 

In this lesson, we'll discuss how we can use the Provider value for better performance.

Introduction

Lifecycle

Context API

ContextType

React.memo

The Profiler

Lazy Loading

Hooks

Conclusion

The Provider Value

The Issue