What's new in React 19?

React hasn't had a major version update in over 2 years since React 18 was launched in 2022. React 19 has lots of exciting new features that make handling data mutations simpler while giving us APIs to improve the user's experience with optimistic updates. They've also launched a new open-source compiler they've been working on for years that will handle many of the nitty-gritty performance details for you behind the scenes. Join us in this course while we learn all about the latest, greatest features coming in the newest version of React! Learn all about the exciting new features coming with React 19, including baked-in ways to handle actions, optimistic updates, form statuses, the new use() API, and more!