Next.js 15 introduces new features and improvements for better performance and developer experience.
Seamless Upgrades: @next/codemod CLI simplifies upgrading to the latest Next.js and React versions.
Performance Enhancements: Turbopack Boost, Hybrid Rendering, and Enhanced Caching improve speed and efficiency.
DX Improvements: Asynchronous Request-Specific APIs, Debugging Tools, New Form Component, Experimental Authorization APIs, and TypeScript Configuration Support.
Static Route Indicator: Next.js displays a visual cue to identify static and dynamic routes.
New Middleware Capabilities: Introduces middleware for running code before request completion.
Support for React 19 and ESLint 9: Next.js 15 officially supports React 19 and ESLint 9 with improved linting capabilities.
Next.js 15 brings significant advancements in web development, offering performance enhancements, better developer tools, and support for modern React features.