June 3, 2025
Vercel has launched the Next.js 15 Beta featuring Server Actions, Partial Prerendering, and faster routing with Turbopack enhancements.
Next.js 15 Beta Released
Vercel announced the beta version during its latest developer conference.
Focuses on dynamic performance, edge computing, and DX enhancements.
Server Actions (Stable)
Allows developers to mutate data on the server directly from the client.
Simplifies form handling and reduces boilerplate API routes.
Partial Prerendering (Experimental)
New feature that allows combining static and dynamic rendering on a single page.
Enhances Core Web Vitals by deferring dynamic content load.
Turbopack Improvements
Replaces Webpack with faster Rust-based bundling engine.
Builds and hot reloading are up to 10x faster than before.
Improved App Router
Enhanced routing API supports layouts, loading states, and error boundaries more effectively.
Encourages better architectural separation.
React Compiler Ready
Next.js 15 supports React 19's new compiler optimizations.
Developers can experiment with automatic memoization.
Middleware and Edge Support
Extended capabilities for edge functions and regional API routing.
Enables true personalization at the edge.
Enhanced SEO Defaults
New metadata API streamlines the process of managing SEO tags.
Dynamically updates meta tags based on routing context.
File-Based Caching
Introduced smarter caching based on static file invalidation.
Helps reduce re-renders and accelerates deployments.
Beta Feedback Open
Vercel invites developers to try the beta and submit feedback via GitHub.
Full release expected within Q3 2025 after bug fixes and stabilization.
