Next.js 15.3 includes Turbopack for builds, new client instrumentation and navigation hooks, and more.

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Next.js

Next.js 15.3 introduces Turbopack for faster production builds, new client instrumentation and navigation hooks, and improved TypeScript plugin performance. The release also includes community support for Rspack, providing an alternative bundler with Webpack compatibility.

Next.js 15.3

Turbopack configuration in next.config.ts (stable)

Community support for Rspack (experimental)

TypeScript Plugin Performance Improvements