1. Overview

Node.js v26.0.0 (released April/May 2026) is a "Current" release, introducing V8 14.6, stabilizing the Temporal API, and removing the --experimental-transform-types flag to make TypeScript support native.
It focuses on improving streaming stability, updating Undici to 8.0, and enhancing security, serving as the foundation for the next LTS release.

2. Key Differences

• TypeScript Support: The --experimental-transform-types flag is removed, indicating TypeScript is no longer experimental
• V8 Engine Update: Upgraded to V8 14.6, improving performance and JS language features
• Undici Update: Updated to version 8.0, offering improved HTTP client performance and stability
• import.meta.resolve: This API is now stable and no longer requires the --experimental-import-meta-resolve flag
• Native Module Changes: Module version changes require native modules to be rebuilt for compatibility with the new V8 engine
• Security Fixes: Includes several high-severity security patches (CVE-2026-21637, CVE-2026-21710) for headers and SNI callback handlers

3. Summary

Node.js 26 will be the "Current" release for six months before moving to Active LTS in October 2026.