This talk is a deep dive on how React concurrently renders to provide time slicing and touches on concurrent hooks like useTransition and useSyncExternalStore.

Writing complex UI and maintaining it can be hard. Writing tests help, but writing tests is also hard. Storybook can help with both, and provide auto documentation for your components.

Migrating a production app is not an easy feat, especially if it's actively being used by over a million people. In this talk, we'll explore how we rebuilt our homepage and product page on the app directory using next.js 13. We'll highlight some of the challenges we faced and the solutions we came up with