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Node.js 26 LTS is now Generally Available on Vercel

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Vercel·Oct 29, 2026, 12:00 AMFeatureAI-assisted summary

Summary

Node.js 26 LTS is now GA on Vercel, default for new projects and automatically used for existing projects that allow it.
Adds HTTP/2 by default for built‑in fetch (Undici 8), the Temporal API, and V8 14.6 with Map.prototype.getOrInsert().
Upgrade via engines.node or Vercel CLI ≥ 65.8.0; set VERCEL_FETCH_DISABLE_H2=1 to keep HTTP/1.1.

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Official source Last checked Nov 11, 2026, 4:00 PM

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AI-assisted summarysource healthyLast checked Nov 11, 2026, 4:00 PM

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