Next.js 16 beta includes stable Turbopack, file system caching, React Compiler support, smarter routing, new caching APIs, and React 19.2 features.

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Next.js

Next.js 16 beta introduces Turbopack as the default bundler with 2-5x faster builds and up to 10x faster Fast Refresh. Key features include filesystem caching for Turbopack, stable React Compiler support for automatic memoization, enhanced routing with layout deduplication and incremental prefetching, and improved caching APIs with new updateTag() and refresh() functions. The release includes React 19.2 features like View Transitions and useEffectEvent(), removes deprecated features like AMP support and the next lint command, and requires async access to params, searchParams, cookies(), and headers(). Breaking changes include minimum Node.js 20.9+ requirement, new next/image security restrictions, and mandatory default.js files for parallel routes.

Next.js 16 (beta)

I was hoping for some updates that would replace the middleware in the upcoming update.

Cool update 👍🏻 I can’t help but wonder if the whole Turbopack going stable is going to work well.
I can’t get Turbopack to build at all in my 15.4 project 😩 even if I try debugging it. Which I have 👌🏻
Hopefully it all works out and I’ll see my build times get better 🤞🏻

Great, thank you for the update 👏

Hope for improvement in stage management

View Transitions will really make web app look like mobile app. I love that