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# What’s new in Next.js 16: Turbo Builds, Smart Caching, AI Debugging

**[Syncfusion](https://daily.dev/sources/syncfusion)** · [@sureshmohan](https://daily.dev/sureshmohan) · 7 min read · 33 upvotes · 0 comments

## Summary

Next.js 16 stabilizes Turbopack as the default bundler, delivering 2-5× faster production builds and 10× faster hot reloading. The release introduces Cache Components with explicit opt-in caching via the 'use cache' directive, replacing implicit caching for more predictable behavior. AI-assisted debugging arrives through Model Context Protocol (MCP) integration in DevTools, enabling AI agents to access unified logs and suggest fixes. The update includes React Compiler support for automatic memoization, enhanced routing with layout deduplication, and replaces middleware.ts with proxy.ts. Breaking changes include requiring Node.js 20.9+, removing AMP support, and making params/searchParams async.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://www.syncfusion.com/blogs/post/whats-new-in-next-js-16-turbo-builds-smart-caching-ai-debugging>

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---

Tags: [#nextjs](https://daily.dev/tags/nextjs), [#performance](https://daily.dev/tags/performance), [#react](https://daily.dev/tags/react), [#turbopack](https://daily.dev/tags/turbopack)

[View this post on daily.dev](https://daily.dev/posts/what-s-new-in-next-js-16-turbo-builds-smart-caching-ai-debugging-91xiemcve)

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