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AWS Lambda Node.js 20 (nodejs20.x) end of life (runtime deprecation)

April 30, 2026 has passed. That's when AWS Lambda stopped supporting Node.js 20 (nodejs20.x). Unpatched runtimes don't get better with age. Migrate functions to nodejs24.x. Source: docs.aws.amazon.com, checked 2026-10-17.

What's retiring
Node.js 20 (nodejs20.x) runtime deprecation (AWS Lambda)
When
April 30, 2026
Days left
This date passed 180 days ago, as of 2026-10-27.
What happens
No more security patches or support; later Lambda blocks function create, then update.
What to do
Migrate functions to nodejs24.x.
Kind of change
Runtime end of life
Official source
docs.aws.amazon.com ↗ (last checked 2026-10-17)

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