# Saleor 3.14.38 — Release & Upgrade Intelligence
- **Product:** Saleor (https://saleor.io)
- **Version:** 3.14.38
- **Released:** Dec 06, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/saleor/updates/3.14.38/

## Executive Summary (TL;DR)
Saleor 3.14.38. Source highlight: Fix attributes save performance (#14940) (4aa5adbb2d)

## New Features
- Add an upper index on user email #14914 (86c0b8f175)
- Add missing lock to avoid deadlocks between checkout process and payment plugins (#14885) (a5e6b874e3)
- Add upper index on user email (187837bdb8)

## Bug Fixes
- Fix attributes save performance (#14940) (4aa5adbb2d)