The September 2026 security release for Next.js is now available

The library for web and native user interfaces

The September 22, 2026 out-of-band security update for Next.js is now available

Next.js 16.3.6 and 15.5.26 are planned for a critical out-of-band security update on September 22, 2026.

You can just prove things, apparently.

The library for web and native user interfaces

How the Next.js team used an agent to research old reports and work through the issue backlog.

Turbopack’s chunking speeds up page loads and enables sharing code across pages. We shipped new experimental features to improve chunking in Next.js 16.3.

The August 2026 security release for Next.js is now available

The library for web and native user interfaces

The library for web and native user interfaces

Build app-like experiences with Instant Navigations, server-rendered data, optimistic updates, and live client state in Next.js 16.3.

Several changes can happen before the first save finishes. Here is how useActionState and useOptimistic keep those changes on screen while the saves run in order.

Summary Adds a new API to react-dom called browser(). browser() returns a "usable" that will error during SSR and resolve during rendering in the browser. The purpose is to allow you to e...

The case study behind Instant Navigations in Next.js 16.3, and how we made v0's navigations instant using tests and a coding agent.

Next.js 16.3 applications on Vercel send 45% fewer prefetch requests, 17% fewer static assets, and have 2x faster path metadata serving.

The API is frozen and semver starts now. The interesting part of getting here: nine release candidates of live pentesting, where the findings were almost never inside a middleware. They were between t...

A few Server Component patterns from a small app on the Next.js 16.3 preview: a load more button that leans on the URL, a search field that keeps focus while results stream, and a message composer tha...

The July 2026 security releases for Next.js are now available