v1.21.0 v12.4.0

Name: node
Author: nodejs

nodejs/nodeSep 23, 2026 → Sep 22, 20260 days between releases

Generating AI comparison

Analyzing what changed between v1.21.0 and v12.4.0. This page updates automatically — usually within a minute.

The Two Releases

v1.21.0

Sep 23, 2026· 28 days ago

Zed editor release featuring faster rendering, new AI agent features, BYOK support for Claude Opus 5.5 and GPT-6, and language server improvements.

Full release notes

v12.4.0

Sep 22, 2026· 29 days ago

A major release introducing significant breaking changes including MapLibre GL JS WebGL2 requirement, Unhead upgrade, and new features like mailtrap support and flows module improvements.

Full release notes