Next.js 15.4

Next.js 15.4 includes updates to performance, stability, and Turbopack compatibility. Highlights for this release include:

This blog post also includes an early preview of what's coming in Next.js 16, our next major release.

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next build --turbopack now passes all 8298 integration tests for production builds and now powers vercel.com . This is a crucial milestone towards marking Turbopack in Next.js stable.

The team's current priority is to finish the swing on bundling optimizations via production chunking and to fix reported bugs from early adopters of the Alpha release. We've also made numerous stability and performance improvements to Turbopack under the hood.

We are confident that Turbopack will soon be ready for production use, and…