Node.js 20 being deprecated on October 1, 2026
Node.js 20 will be deprecated for Vercel Builds and Functions on October 1, 2026, following Node.js end of life. Existing deployments remain unaffected, but new deployments will require a newer Node.js version.
Following the Node.js 20 end of life on April 30, 2026, we are deprecating Node.js 20 for Builds and Functions on October 1, 2026.
How can I see which of my projects are affected?
You can see which of your projects are affected by this deprecation with:
Will my existing deployments be affected?
No, existing deployments with Serverless Functions Invocations to already-deployed functions will continue to work normally. Only new deployments will be affected.will not be affected.
When will I no longer be able to use Node.js 20?
On October 1, 2026, Node.js 20 will be disabled in . Existing projects using 20 as the version for Functions will display an error when a new deployment is created.Project Settings
How can I upgrade my Node.js version?
You can configure your Node.js version in or through the field in .Project Settingsenginespackage.json
You can also hand the upgrade to your coding agent:
What if I can't upgrade before October 1?
If you can't complete the upgrade in time without disrupting your app, deploy it as a instead. Add a at your project root and the image is built and deployed on every commit:container imageDockerfile.vercel
We still recommend upgrading when you can. With a container, you manage the Node.js version and its security updates yourself.
Upgrade before October 1, 2026. Learn more about .supported Node.js versions
Source: original entry ↗
More from Vercel
Follow Vercel to get its new changes in your feed and email digest.
OpenAI Decisions API now available on AI Gateway
OpenAI's Decisions API is now accessible through Vercel's AI Gateway with an OpenAI-compatible endpoint, enabling decision models to answer typed questions and return probabilities, choices, and scores for routing, triage, and guardrails use cases. Support is available across the OpenAI SDK, AI SDK, HTTP API, and CLI with the latest versions.
Timestamp attributes now supported in Vercel Flags
Vercel Flags now supports timestamp attributes for entities, allowing you to create time-based targeting rules. Use this feature to run limited-time campaigns, show content between specific dates, or target users based on registration date.
Glyph Cluster now available in stealth on AI Gateway
Glyph Cluster, a reasoning model for coding and long-context analysis, is now available as a stealth model on Vercel's AI Gateway for Pro and Enterprise plan teams with purchased AI Gateway credits at no cost during the stealth period. The model supports function calling, streams responses, and can be accessed via AI SDK, OpenAI-compatible APIs, and coding agents.