React Development

Introduction When CSS Grid layout was first released, it came with a big asterisk: only the grid’s direct children could participate in the layout. “Subgrid” is a newer addition to…

Next.js 16.2 includes several improvements designed for AI-assisted development. These changes make it easier for agents to understand your project, debug issues from the terminal, and inspect running apps —…

Open source has clearly won. Yes, there are plenty of closed source products and businesses. But the shared infrastructure—the commons—runs on open source. We might take this for granted, but…

Yesterday I decided it was time to upgrade the dependencies on kentcdodds.com (the site you’re probably reading this on). I’ve actually been working on my site a bit recently to…

The CSS translate() function shifts an element from its default position on a two-dimensional plane. This way, we can reposition an element horizontally, vertically, or both. .parent:hover .box { transform: translate(50px, 50%);…

Many UI trends are designed to capture attention and signal innovation, but those goals often conflict with the needs of mental health apps: reducing cognitive strain, fostering trust, and providing…

These days, developer experience (DX) is often the strongest case for using JavaScript frameworks. The idea is simple: frameworks improve DX with abstractions and tooling that cut boilerplate and help…

October 1, 2025 by The React Team React 19.2 is now available on npm! This is our third release in the last year, following React 19 in December and React…