The most important addition in React 18 is something we hope you never have to think about: concurrency. — React 18 docs Well, in this talk — we are going to think about it! React’s new mental model is not easy to wrap our heads around, and that’s where this talk comes in. We’ll explore how concurrency works in React from the ground up, what problems it solves, and how SSR and streaming components fit into the picture. By the end of the talk, you’ll understand how React’s concurrent model ties into UX principles — and how to make the most of it in your apps.