Upgrading your Node.js version is straightforward, especially if you used nvm . Here’s how:
Node.js 18 (codename ) transitioned to LTS in October 2022. Start Date April 2022 October 2022 LTS (Hydrogen) October 2022 October 2024 Maintenance October 2024 April 2025
Node 18 improved compatibility with browser-based APIs by exposing web streams primitives ( Blob , BroadcastChannel , MessageChannel , MessagePort ) globally. This enables more interoperability between web applications and backend services. 4. node: Prefix for Core Modules node 18 full
Node.js 18 introduced a native, global fetch() API. It is built on top of undici , a highly optimized, next-generation HTTP/1.1 client written specifically for Node.js. Why This Matters
// Example in an ESM file import db from './db.js'; const user = await db.users.find(1); // No async wrapper needed console.log(user); Use code with caution. 4. Performance Enhancements Upgrading your Node
Node 18 uses a new ABI version (NODE_MODULE_VERSION 108). Recompile any native addons with node-gyp rebuild .
If you are considering long-term support solutions for Node.js 18 or any other legacy version, the time to act is now. Post-EOL support options exist through partners of the OpenJS Foundation to ensure your legacy applications remain secure while you plan your full migration to a modern, supported version like Node.js 22 LTS. Review your infrastructure, plan your upgrade path, and move your projects to a secure and supported foundation. It is built on top of undici ,
Structure tests hierarchically using nested execution. Fast Execution: Designed for speed and minimal overhead. javascript
The module loader was rewritten to reduce the friction between import and require() . Node 18 full support for package.json exports and imports conditions is now production-ready.