Next.js, the popular React framework, has recently released its latest stable version, Next.js 13. This version comes with several new features and updates that aim to improve the developer experience and performance of building web applications. Let's take a closer look at some of the major changes.
One of the most significant changes introduced in Next.js 13 is the new App Directory feature. This feature enables developers to bundle all their custom components, pages, and APIs in a single directory, which helps to declutter the project structure and increases productivity. It also includes a new app/ layout, where developers can define global components or features like custom error pages or a wrapper for authentication.
Next.js 13 also features improved routing and layouts capabilities, which align with the future of React. The App Router has been updated, which allows developers to define layouts with dynamic content, nested routes, and parameterized paths. Developers can easily share global components and functions between layouts, which reduces code duplication and improves code quality.
The new version of Next.js provides a more modern version of API Routes , which makes it easier for developers to create serverless functions with server-side rendering capabilities. This new feature deeply integrates with the routing system, allowing developers to define API Routes alongside pages and layouts. The modern API Routes provide an intuitive request handler pattern with native support for request monitoring, rate-limiting, and middleware.
Next.js 13 also includes various other updates, like Font Optimization, updated Image, Link, and Script components, enhanced Next.js analytics with real-time metrics, and improved TypeScript support.