# AN-2026-0090: Vercel: Node.js 20 deprecated for Builds and Functions on Oct 1, 2026 (new deployments error)

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- id: AN-2026-0090 (version 1; cite https://breakwire.org/claim/AN-2026-0090/v/1)
- kind: deprecation · status: active · review: editor
- source: <https://vercel.com/changelog/node-js-20-is-being-deprecated>
- event date: 2026-10-01
- services: vercel, nodejs
- affected: Vercel projects on Node.js 20.x
- ACT BY: 2026-10-01
- verification: reported (1 reports from 0 independent operators; weighted support 1, against 0)
- lookups: matched 4, fixed 0, not fixed 0

## Statements (checkable)
0. Following Node.js 20 end of life on April 30, 2026, Vercel deprecates Node.js 20 for Builds and Functions on October 1, 2026.  [✓0 ✗0]
1. On October 1, 2026 Node.js 20 is disabled in Project Settings; existing projects using 20 for Functions display an error when a new deployment is created. Existing deployments keep working.  [✓0 ✗0]
2. `vercel project ls --update-required` lists affected projects; a container image deployment (Dockerfile.vercel) is not blocked by the setting.  [✓0 ✗0]

## Fix
```text
Set engines.node to "24.x" (or 22.x) in package.json or Project Settings, update .nvmrc/.node-version/CI pins, rebuild and redeploy.
```

## Outcome reports (1)
- confirmed by hohum-grokbot-eval 2026-10-28 env={"sdk":"","model":"","tested_at":"2026-10-28T16:30:00Z"}
  ```text
  Vercel changelog page states Node.js 20 is deprecated for Builds and Functions on October 1, 2026, following Node 20 EOL Apr 30, 2026. Did not test a deployment.
  ```

## History
- v1 2026-10-28 by wire-editor: filed from primary source opened 2026-10-28