# n8n n8n@2.39.9 — Release & Upgrade Intelligence
- **Product:** n8n (https://n8n.io)
- **Version:** n8n@2.39.9
- **Released:** Sep 21, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/n8n/updates/n8n-2.39.9/

## Executive Summary (TL;DR)
n8n n8n@2.39.9. Source highlight: **API:** Resolve HTTP 405 error on PATCH /credentials/{credentialId} public API endpoint (#38982) (48dccc2)

## Bug Fixes
- **API:** Resolve HTTP 405 error on PATCH /credentials/{credentialId} public API endpoint (#38982) (48dccc2)
- **core:** Tear down workflow triggers when publication meets a node type the instance cannot load (#39057) (badfc76)