When does AWS SDK drop support for Node.js 18?

January 2026—eight months past Node's April 2025 EOL. Warnings start then; strict installs fail later.

Which Node.js versions does AWS SDK v3 support?

All current LTS (20, 22, 24 now), plus eight months on the newest EOL. Browsers match ES equivs.

Will this affect AWS Lambda Node.js runtimes?

No—Lambda has its own deprecation policy. SDK changes are client-side only.

AWS SDK's Node.js Sync Means January 2026 Upgrade Deadline for Devs Everywhere

Your Node 18 app's AWS calls? They'll start warning, then fail come 2026. AWS just synced its SDK with Node.js lifecycles—forcing devs to evolve or get left behind.

theAIcatchup Apr 10, 2026 4 min read

Timeline graphic showing AWS SDK Node.js support ending dates from 2026 onward

⚡ Key Takeaways

AWS SDK v3 aligns with Node.js LTS EOL +8 months, starting Node 18 drop in Jan 2026. 𝕏
Expect deprecation warnings, then install blocks on EOL Nodes—upgrade to LTS 20+ now. 𝕏
Benefits: security, perf; risk: unpatched vulns if ignored—forces ecosystem maturity. 𝕏

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#AWS SDK JavaScript #JavaScript ecosystem #JavaScript runtime #JavaScript upgrades #Node.js EOL #Node.js support #SDK support policy #end of support #runtime deprecation

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Originally reported by AWS Developer Blog

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