Learn how concurrent features like Transitions, Suspense, and React Server Components improve application performance.

React 18 has introduced concurrent features that fundamentally change the way React applications can be rendered. We'll explore how these latest features impact and improve your application's performance.

First, let's take a small step back to understand the basics of long tasks and the corresponding performance measurements.

Link to heading Main thread and Long Tasks

When we run JavaScript in the browser, the JavaScript engine executes code in a single-threaded environment, which is often referred to as the main thread.…