# n8n n8n@1.39.0 — Release & Upgrade Intelligence
- **Product:** n8n (https://n8n.io)
- **Version:** n8n@1.39.0
- **Released:** Apr 24, 2024
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/n8n/updates/n8n-1.39.0/

## Executive Summary (TL;DR)
n8n n8n@1.39.0. Source highlight: **core:** Exclude oAuth callback urls from browser-id checks (#9158) (46e432b)

## New Features
- Add WhatsApp Business Trigger Node (#8840) (23a2dd0)
- **core:** Setup helmet.js for setting security headers (#9027) (0ed4671)
- **core:** Upgrade mysql2 to address CVE-2024-21507, CVE-2024-21508, and CVE-2024-21509 (#9154) (9bd8e10)
- **n8n Form Trigger Node:** Option to remove attribution (#9162) (699fd70)
- **Webhook Node:** Setting to enable multiple outputs/methods (#9086) (2bf0a39)
- **Zammad Node:** Add more options to the Organizations endpoint  (#9180) (15c88d6)

## Bug Fixes
- **core:** Exclude oAuth callback urls from browser-id checks (#9158) (46e432b)
- **core:** Improve browserId checks, and add logging (#9161) (ff9ae54)
- **core:** Upgrade mysql2 to address CVE-2024-21511 (#9206) (3996d28)
- **editor:** Fix expression preview when previous node is selected (#9140) (85780ea)
- **editor:** Fix parameter reset on credential change in Discord node (#9137) (135ef75)
- **editor:** Fix sessionId for manual chat trigger execution (#9187) (f5ccb5f)