Next.js 15.5 includes Turbopack builds in beta, stable Node.js middleware, TypeScript improvements, next lint deprecation, and deprecation warnings for Next.js 16. Highlights for this release include:
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We're excited to announce next build --turbopack in beta. Turbopack now powers Vercel websites including vercel.com , v0.app , and nextjs.org , accelerating iteration velocity through faster preview and production deployment builds.
These applications powered by Turbopack have been battle tested serving over 1.2 billion requests since the rollout.
One of the original design goals for Turbopack was to be able to help developers scale build performance as their applications and codebases grow.
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