# PostHog product-40657623ee — Release & Upgrade Intelligence
- **Product:** PostHog (https://posthog.com)
- **Version:** product-40657623ee
- **Released:** Oct 02, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/posthog/updates/product-40657623ee/

## Executive Summary (TL;DR)
Official PostHog product update: Prevent Gmail mailbox duplicates. Read the publisher’s changelog for full details.