Next.js 15.4 Is Here—With Big Things on the Horizon
July 16, 2025
Next.js 15.4 just dropped, and while it’s not a massive update, it delivers key improvements—especially for Turbopack, the project’s next-gen bundler.
If you’ve tried the --turbopack flag before and found it too quirky for production, now’s the time to revisit it. Turbopack now passes all 8,298 integration tests, and it’s powering Vercel.com itself—clear proof of production readiness.
Looking Ahead to Next.js 16
The real excitement is what’s coming next. Next.js 16, set to launch later this summer, promises to bring major changes by consolidating experimental features into more cohesive systems.
Unified Caching: The confusing mix of Dynamic IO and Partial Prerendering will be replaced by a single beta feature called Cache Components, making performance tuning simpler and more intuitive.
Improved Navigation: The App Router will get smarter prefetching and better cache handling, resulting in snappier, more data-efficient navigation.
Better Debugging: Tools to inspect routes are being improved, and an experimental feature will let you stream browser logs to your terminal—a major help for tricky client-side bugs.
Also worth noting: AMP support is officially being removed in v16.
Final Thoughts
Next.js 15.4 brings critical stability—especially for Turbopack—while version 16 aims to streamline development and boost performance. It’s a sign of a framework that’s growing more powerful and developer-friendly with every release.
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