Node 18 !exclusive! Full Jun 2026

Upgrading production enterprise applications requires a methodical approach to prevent service interruptions.

// No need for require('node-fetch') const response = await fetch('https://example.com'); const data = await response.json(); Use code with caution. 2. Built-in Test Runner node 18 full

Support lasted until April 2025 (Note: Vercel noted early deprecation warnings in 2025). const data = await response.json()

Node.js 18, codenamed , was released in April 2022 and transitioned to a "Maintenance" phase before reaching its End-of-Life (EOL) on April 30, 2025 . Because it no longer receives official security updates or bug fixes, users are strongly encouraged to migrate to supported versions like Node.js 20 or 22. consider these key changes:

If you are upgrading from Node.js 16 or earlier, consider these key changes: