Whether you are upgrading an older codebase or optimizing a current deployment, this comprehensive guide covers everything you need to know about Node.js 18. 1. Native Fetch API
New methods findLast() and findLastIndex() allow search progression from the end of an array.
nvm install 18 nvm use 18
Requires glibc 2.28 or higher (e.g., Ubuntu 20.04+, Debian 10+). macOS: Requires macOS 10.15 (Catalina) or newer.
Node 18 shipped with V8 10.1, bringing performance improvements and new JavaScript language features 1.
import test from 'node:test'; import assert from 'node:assert';
Node 18 introduced a massive shift toward modernizing the runtime, aligning it more closely with web standards and improving performance. It was promoted to LTS status in October 2022 and provided stable support for enterprise applications until April 2025. Key focus areas included:
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Whether you are upgrading an older codebase or optimizing a current deployment, this comprehensive guide covers everything you need to know about Node.js 18. 1. Native Fetch API
New methods findLast() and findLastIndex() allow search progression from the end of an array.
nvm install 18 nvm use 18
Requires glibc 2.28 or higher (e.g., Ubuntu 20.04+, Debian 10+). macOS: Requires macOS 10.15 (Catalina) or newer.
Node 18 shipped with V8 10.1, bringing performance improvements and new JavaScript language features 1.
import test from 'node:test'; import assert from 'node:assert';
Node 18 introduced a massive shift toward modernizing the runtime, aligning it more closely with web standards and improving performance. It was promoted to LTS status in October 2022 and provided stable support for enterprise applications until April 2025. Key focus areas included:
