# Open WebUI v0.6.40 — Release & Upgrade Intelligence
- **Product:** Open WebUI (https://openwebui.com)
- **Version:** v0.6.40
- **Released:** Nov 25, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/open-webui/updates/v0.6.40/

## Executive Summary (TL;DR)
Open WebUI v0.6.40. Source highlight: [0.6.40] - 2025-11-25

## Bug Fixes
- 🗄️ A critical PostgreSQL user listing performance issue was resolved by removing a redundant count operation that caused severe database slowdowns and potential timeouts when viewing user lists in admin panels.