# Next.js Blog Next.js Blog This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles. ## How we closed 1,500 GitHub issues in one month DevFeed: [How we closed 1,500 GitHub issues in one month]() Original publisher: [Read original article]() Author: Marcos Hernanz Published: 2026-09-04T04:00:00Z Content type: article Language: en Sources: [Next.js Blog]() Topics: [GitHub Issues](), [Next.js](), [AI-assisted coding](), [issue tracker](), [Maintainers](), [bug]() Tags: [agent](), [ai](), [bug](), [github-issues](), [issue-tracker](), [maintainers](), [next-js](), [sandbox](), [vercel]() ### AI overview The Next.js team describes using an AI research agent to help maintainers review an issue backlog, close outdated reports, and retain issues that still matter. ### Source excerpt How the Next.js team used an agent to research old reports and work through the issue backlog. ## How Turbopack chunks your JavaScript DevFeed: [How Turbopack chunks your JavaScript]() Original publisher: [Read original article]() Author: Sam Poder Published: 2026-09-03T16:00:00Z Content type: article Language: en Sources: [Next.js Blog]() Topics: [modern web development](), [Web Development](), [web applications]() Tags: [cache](), [code](), [compression](), [http](), [javascript](), [next-js]() ### AI overview The article explains how Turbopack groups JavaScript into chunks for Next.js applications. It examines the tradeoff between minimizing downloaded code and minimizing network requests, including the effects on caching and compression. ### Source excerpt 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. ## August 2026 Security Release DevFeed: [August 2026 Security Release]() Original publisher: [Read original article]() Author: Sebastian Silbermann Published: 2026-08-25T18:00:00Z Content type: release Language: en Sources: [Next.js Blog]() Topics: [Next.js](), [Security](), [vulnerability](), [vulnerability management](), [Open Source](), [Vercel]() Tags: [bug-bounty](), [next-js](), [open-source](), [release](), [security](), [vercel](), [vulnerability](), [vulnerability-management]() ### AI overview Next.js released versions 16.3.3 and 15.5.24 to address critical vulnerabilities, including unauthenticated remote code execution through AVIF image optimization and on Windows-hosted servers. The patched releases disable AVIF optimization until an upstream fix is propagated. ### Source excerpt The August 2026 security release for Next.js is now available ## Update: August Next.js Security Release DevFeed: [Update: August Next.js Security Release]() Original publisher: [Read original article]() Author: Sebastian Silbermann Published: 2026-08-25T15:00:00Z Content type: news Language: en Sources: [Next.js Blog]() Topics: [Vulnerabilities]() Tags: [bug-bounty](), [frameworks](), [next-js](), [open-source](), [release](), [security](), [update](), [vercel](), [vulnerabilities](), [vulnerability-management]() ### AI overview Next.js is advancing its August security release to address two critical vulnerabilities in a single update and recommends that users upgrade when patched versions are available. ### Source excerpt Next.js is moving the August security release forward to August 25, 2026. ## Upcoming Next.js August Security Release DevFeed: [Upcoming Next.js August Security Release]() Original publisher: [Read original article]() Author: Sebastian Silbermann Published: 2026-08-20T18:00:00Z Content type: release Language: en Sources: [Next.js Blog]() Topics: [Next.js](), [Security](), [Vulnerabilities](), [Bug Bounty](), [Open Source](), [Vercel]() Tags: [bug-bounty](), [next-js](), [open-source](), [release](), [security](), [vercel](), [vulnerabilities]() ### AI overview Next.js is preparing a scheduled August 2026 security release addressing critical-severity vulnerabilities. The release is expected to include patched versions 16.3.3 and 15.5.24, with a full advisory and upgrade instructions. ### Source excerpt Next.js is preparing a scheduled August security release for August 26, 2026. ## Building App-like Experiences with Next.js 16.3 DevFeed: [Building App-like Experiences with Next.js 16.3]() Original publisher: [Read original article]() Author: Aurora Scharff Published: 2026-08-18T16:00:00Z Content type: article Language: en Sources: [Next.js Blog]() Topics: [Next.js]() Tags: [browser](), [cache](), [next-js](), [server](), [streaming]() ### AI overview Next.js 16.3 introduces Instant Navigations through Cache Components and Partial Prefetching, enabling immediate UI display while server-rendered content completes. The article also explains caching data and route payloads across navigations. ### Source excerpt Build app-like experiences with Instant Navigations, server-rendered data, optimistic updates, and live client state in Next.js 16.3. ## Making Navigations Instant in v0 DevFeed: [Making Navigations Instant in v0]() Original publisher: [Read original article]() Author: Jude Gao Published: 2026-08-06T13:00:00Z Content type: article Language: en Sources: [Next.js Blog]() Topics: [Next.js](), [Caching](), [React](), [browser](), [App](), [coding](), [Vercel]() Tags: [agent](), [app](), [browser](), [caching](), [case-study](), [code](), [coding](), [next-js](), [vercel]() ### AI overview This case study explains how v0 achieved instant navigations with Next.js 16.3. The approach combines runtime partial prerendering and browser caching for dynamic, personalized content, while a coding agent uses failing tests to identify slow navigations, apply fixes, and verify routes. ### Source excerpt 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 DevFeed: [Next.js 16.3]() Original publisher: [Read original article]() Published: 2026-08-03T17:00:00Z Content type: release Language: en Sources: [Next.js Blog]() Topics: [Next.js](), [Tooling](), [Server-side rendering](), [Caching](), [Playwright](), [React](), [TypeScript]() Tags: [ai-agents](), [caching](), [coding](), [framework](), [next-js](), [react](), [release](), [resilience](), [tooling](), [tools](), [typescript]() ### AI overview Next.js 16.3 is a major release focused on faster development and production performance, improved caching and error recovery, versioned documentation for coding agents, and Instant Navigations that provide SPA-like responsiveness while retaining Next.js's server-driven model. ### Source excerpt Next.js 16.3 introduces Instant Navigations, a suite of tools for single-page-app responsiveness, plus a faster dev server, faster builds, and improved tooling for AI agents. ## July 2026 Security Release DevFeed: [July 2026 Security Release]() Original publisher: [Read original article]() Author: Sebastian Silbermann Published: 2026-07-20T12:00:00Z Content type: release Language: en Sources: [Next.js Blog]() Topics: [Next.js](), [Security](), [hosting](), [payload](), [cpu]() Tags: [cpu](), [hosting](), [next-js](), [payload](), [release](), [security](), [updates]() ### AI overview Next.js has released security updates for versions 16.2.11 and 15.5.21, addressing high- and medium-severity vulnerabilities affecting Server Actions, middleware/proxy behavior, rewrites, redirects, image optimization, the Edge runtime, and related request handling. Teams are advised to patch their Next.js dependencies. ### Source excerpt The July 2026 security release for Next.js is now available ## Next.js Security Release and Our Next Patch Release DevFeed: [Next.js Security Release and Our Next Patch Release]() Original publisher: [Read original article]() Author: Josh Story Published: 2026-07-13T12:00:00Z Content type: release Language: en Sources: [Next.js Blog]() Topics: [Vulnerabilities]() Tags: [bug-bounty](), [firewall](), [llm](), [next-js](), [process](), [release](), [release-schedule](), [security](), [vulnerabilities]() ### AI overview Next.js is formalizing a predictable security release program with advance monthly notices, while retaining ad-hoc patches for urgent or actively exploited vulnerabilities. ### Source excerpt Next.js is moving to a formal security release process ## Turbopack: What's New in Next.js 16.3 DevFeed: [Turbopack: What's New in Next.js 16.3]() Original publisher: [Read original article]() Author: Andrew Imm Published: 2026-06-29T20:00:00Z Content type: article Language: en Sources: [Next.js Blog]() Topics: [Next.js](), [Cache](), [Caching](), [build times](), [Compiler](), [Persistence](), [Rust](), [cpu]() Tags: [build-times](), [cache](), [caching](), [cpu](), [development](), [memory](), [next-js](), [performance](), [persistence](), [rust]() ### AI overview Next.js 16.3 improves the Turbopack bundler with lower development memory usage, persistent filesystem caching for faster builds, experimental Rust React Compiler support, API support, and faster hot module replacement and development startup. Memory-cache eviction, enabled by default with the development filesystem cache, helps prevent unbounded memory growth during long development sessions. ### Source excerpt Turbopack in Next.js 16.3 adds development memory eviction, persistent file cache for builds, experimental Rust React Compiler, and `import.meta.glob` support. ## Next.js 16.3: AI Improvements DevFeed: [Next.js 16.3: AI Improvements]() Original publisher: [Read original article]() Author: Jude Gao Published: 2026-06-26T15:00:00Z Content type: release Language: en Sources: [Next.js Blog]() Topics: [Next.js](), [AI-assisted coding](), [Tooling](), [MCP Server](), [Agent Browser](), [React](), [MDX](), [Claude Code](), [cursor](), [codex]() Tags: [ai](), [ai-coding](), [browser](), [claude](), [codex](), [cursor](), [markdown](), [mcp](), [mcp-server](), [next-js](), [react](), [tooling]() ### AI overview Next.js 16.3 Preview introduces improvements for agent-driven development, including version-matched documentation through AGENTS.md, first-party Skills, Agent Browser with React introspection, actionable errors with fix prompts, a smaller MCP server, and Markdown documentation access. ### Source excerpt Actionable errors with paste-ready fix prompts, first-party Skills for the dev loop and Cache Components, and tooling that keeps coding agents in sync with your project. ## Next.js 16.3: Instant Navigations DevFeed: [Next.js 16.3: Instant Navigations]() Original publisher: [Read original article]() Author: Josh Story Published: 2026-06-25T20:00:00Z Content type: article Language: en Sources: [Next.js Blog]() Topics: [Next.js](), [Caching](), [Cache](), [Node.js](), [App](), [client](), [servers]() Tags: [app](), [cache](), [caching](), [next-js](), [node](), [node-js](), [server]() ### AI overview Next.js 16.3 introduces Instant Navigations, an opt-in set of behaviors designed to make server-driven applications feel as responsive as single-page apps. The article discusses faster navigations, Cache Components, and choices for handling asynchronous server data. ### Source excerpt A new suite of tools that brings the responsiveness of a single-page app to the server-centric model of Next.js. ## Next.js Across Platforms: Adapters, OpenNext, and Our Commitments DevFeed: [Next.js Across Platforms: Adapters, OpenNext, and Our Commitments]() Original publisher: [Read original article]() Author: JJ Kasper Published: 2026-03-25T17:00:00Z Content type: article Language: en Sources: [Next.js Blog]() Topics: [Next.js](), [Deployment](), [Netlify](), [Open Source](), [Cloudflare](), [Vercel]() Tags: [cloudflare](), [deployment](), [netlify](), [next-js](), [open-source](), [vercel]() ### AI overview Next.js 16.2 introduces a stable Adapter API, shared adapter tests, verified open-source adapters, and an Ecosystem Working Group to improve deployment consistency across platforms. The article explains how OpenNext helped establish a stable public contract for providers supporting Next.js applications. ### Source excerpt Next.js 16.2 introduces a stable Adapter API, a public adapter test suite, and a working group for more consistent deployment across platforms. ## Next.js 16.2 DevFeed: [Next.js 16.2]() Original publisher: [Read original article]() Author: Tim Neutkens Published: 2026-03-18T20:00:00Z Content type: release Language: en Sources: [Next.js Blog]() Topics: [modern web development](), [debugging](), [Node.js](), [C++]() Tags: [agents](), [ai](), [c-plus-plus](), [debugging](), [javascript](), [next-js](), [node-js](), [performance](), [react](), [release]() ### AI overview Next.js 16.2 is a release with faster startup and rendering, revised production error handling, and improved development debugging. ### Source excerpt Next.js 16.2 includes Adapters, rendering performance improvements, improved debugging and error pages, and more. ## Next.js 16.2: AI Improvements DevFeed: [Next.js 16.2: AI Improvements]() Original publisher: [Read original article]() Author: Tim Neutkens Published: 2026-03-18T20:00:00Z Content type: article Language: en Sources: [Next.js Blog]() Topics: [Next.js](), [AI-assisted coding](), [AI Agent](), [debugging](), [React]() Tags: [agent](), [ai](), [ai-coding](), [claude-code](), [debugging](), [docs](), [next-js](), [retrieval]() ### AI overview Next.js 16.2 introduces improvements for AI-assisted development, including agent-ready projects with bundled, version-matched documentation, browser error forwarding to the terminal, dev server lock-file diagnostics, and experimental Agent DevTools for React DevTools and Next.js diagnostics. ### Source excerpt Next.js 16.2 ships AGENTS.md in create-next-app, browser log forwarding, dev server lock file with PID, and next-browser for AI agent debugging. ## Turbopack: What's New in Next.js 16.2 DevFeed: [Turbopack: What's New in Next.js 16.2]() Original publisher: [Read original article]() Author: Tim Neutkens Published: 2026-03-18T20:00:00Z Content type: release Language: en Sources: [Next.js Blog]() Topics: [releases](), [modern web development]() Tags: [bugs](), [css](), [javascript](), [next-js](), [performance](), [release](), [typescript](), [wasm](), [workers]() ### AI overview Next.js 16.2 updates Turbopack with Server Fast Refresh, Web Worker origin support, SRI for JavaScript files, dynamic-import tree shaking, loader and Lightning CSS configuration, TypeScript PostCSS configuration, log filtering, and performance and bug-fix work. ### Source excerpt Turbopack in Next.js 16.2 brings faster builds, SRI support, postcss.config.ts, tree shaking of dynamic imports, Server Fast Refresh, inline loader configuration, and over 200 bug fixes. ## Building Next.js for an agentic future DevFeed: [Building Next.js for an agentic future]() Original publisher: [Read original article]() Author: Jiachi Liu Published: 2026-02-12T00:00:00Z Content type: article Language: en Sources: [Next.js Blog]() Topics: [Next.js](), [AI Agent](), [Model Context Protocol](), [browser](), [cursor](), [Claude Code]() Tags: [agent](), [agentic](), [browser](), [claude-code](), [cursor](), [javascript](), [mcp](), [next-js]() ### AI overview The article explains how the Next.js team improved support for AI coding agents. It describes the limitations of agents that cannot see browser runtime errors or internal Next.js state, the experimental Vector in-browser agent, its sunset, and the use of MCP to expose relevant application data to external agents. ### Source excerpt How we built and sunset an in-browser agent, shipped MCP integration, and learned that better AI agent support means thinking from the agent's perspective. ## Inside Turbopack: Building Faster by Building Less DevFeed: [Inside Turbopack: Building Faster by Building Less]() Original publisher: [Read original article]() Author: Tobias Koppers Published: 2026-01-20T17:00:00Z Content type: article Language: en Sources: [Next.js Blog]() Topics: [Caching](), [Next.js](), [web applications](), [Webpack](), [make](), [Data structures]() Tags: [architecture](), [bugs](), [building](), [cache](), [caching](), [code](), [complexity](), [cpu](), [development](), [make](), [memory](), [next-js](), [performance](), [scale](), [web](), [web-applications]() ### AI overview Turbopack uses fine-grained caching and incremental computation to reduce rebuild work and speed up development for large Next.js applications. The article explains its automatic dependency tracking, research foundations, and contrast with coarse-grained systems such as GNU Make. ### Source excerpt Learn how we built Turbopack with incremental computation to scale development and builds to massive Next.js applications. ## Next.js 16.1 DevFeed: [Next.js 16.1]() Original publisher: [Read original article]() Author: Tim Neutkens Published: 2025-12-18T20:00:00Z Content type: release Language: en Sources: [Next.js Blog]() Topics: [Next.js](), [Caching](), [Tooling](), [debugging](), [Node.js](), [Core Web Vitals]() Tags: [caching](), [core](), [core-web-vitals](), [debugging](), [development](), [dogfooding](), [github](), [next-js](), [node](), [node-js]() ### AI overview Next.js 16.1 improves development workflows and stability through stable, default-on Turbopack file system caching, an experimental bundle analyzer, easier Node.js debugging, and better handling of transitive external dependencies. ### Source excerpt Next.js 16.1 introduces Turbopack file system caching for development, a new bundle analyzer, and easier debugging in Node.js. ## Next.js Security Update: December 11, 2025 DevFeed: [Next.js Security Update: December 11, 2025]() Original publisher: [Read original article]() Author: Sebastian Markbåge Published: 2025-12-11T16:00:00Z Content type: news Language: en Sources: [Next.js Blog]() Topics: [Next.js](), [Vulnerabilities](), [web applications]() Tags: [http](), [next-js](), [react](), [secrets](), [security](), [update](), [vulnerabilities]() ### AI overview A Next.js security advisory describes two React Server Components vulnerabilities affecting App Router applications: a denial-of-service issue and potential compiled source-code exposure. Users are instructed to upgrade to the latest patched release, including those who applied the initial incomplete fix for CVE-2025-55184. ### Source excerpt Two additional vulnerabilities have been identified in React Server Components. Users should upgrade to patched versions immediately. ## Security Advisory: CVE-2025-66478 DevFeed: [Security Advisory: CVE-2025-66478]() Original publisher: [Read original article]() Author: Sebastian Markbåge Published: 2025-12-03T16:00:00Z Content type: article Language: en Sources: [Next.js Blog]() Topics: [Next.js](), [vulnerability](), [Exploit](), [React](), [Protocol (disambiguation)]() Tags: [cve](), [next-js](), [protocol](), [react](), [remote-code-execution](), [security](), [upgrade](), [vulnerability]() ### AI overview This security advisory describes CVE-2025-66478, a critical vulnerability in the React Server Components protocol that affects certain Next.js applications using the App Router. Under specific conditions, attacker-controlled requests could lead to remote code execution. Users are advised to upgrade to patched Next.js releases immediately. ### Source excerpt A critical vulnerability (CVE-2025-66478) has been identified in the React Server Components protocol. Users should upgrade to patched versions immediately. ## Next.js 16 DevFeed: [Next.js 16]() Original publisher: [Read original article]() Author: Tim Neutkens Published: 2025-10-21T20:00:00Z Content type: release Language: en Sources: [Next.js Blog]() Topics: [Next.js](), [Caching](), [Compiler](), [Routing (disambiguation)](), [React](), [Model Context Protocol]() Tags: [caching](), [compiler](), [devtools](), [model-context-protocol](), [next-js](), [react](), [release](), [routing]() ### AI overview Next.js 16 is a release featuring Cache Components, stable Turbopack, file system caching, React Compiler support, smarter routing, updated caching APIs, React 19.2 features, and Next.js Devtools MCP integration. ### Source excerpt Next.js 16 includes Cache Components, stable Turbopack, file system caching, React Compiler support, smarter routing, new caching APIs, and React 19.2 features. ## Next.js 16 (beta) DevFeed: [Next.js 16 (beta)]() Original publisher: [Read original article]() Author: Tobias Koppers Published: 2025-10-09T20:00:00Z Content type: release Language: en Sources: [Next.js Blog]() Topics: [Next.js](), [Caching](), [Compiler](), [Routing (disambiguation)](), [React](), [Tailwind CSS](), [TypeScript](), [ESLint](), [Webpack](), [FIRST]() Tags: [caching](), [compiler](), [eslint](), [next-js](), [performance](), [react](), [routing](), [tailwind-css](), [typescript](), [vercel](), [webpack]() ### AI overview Next.js 16 beta introduces stable Turbopack as the default bundler, filesystem caching for faster development, React Compiler support, enhanced routing, improved caching APIs, and React 19.2 features. It also includes Build Adapters API changes and breaking changes. ### Source excerpt Next.js 16 beta includes stable Turbopack, file system caching, React Compiler support, smarter routing, new caching APIs, and React 19.2 features. [Next page]()