# Saleor 3.18.3 — Release & Upgrade Intelligence
- **Product:** Saleor (https://saleor.io)
- **Version:** 3.18.3
- **Released:** Dec 06, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/saleor/updates/3.18.3/

## Executive Summary (TL;DR)
Saleor 3.18.3. Source highlight: Release funds for abandoned checkouts (#14841) (4ebf763a8e)

## New Features
- Add an upper index on user email (#14930) (f464edc022)
- Add missing lock to avoid deadlocks between checkout process and payment plugins (#14892) (1e033a348f)

## Bug Fixes
- Fix missing permssion in promotion state (#14854) (f10308facd)