# Saleor 3.17.8 — Release & Upgrade Intelligence
- **Product:** Saleor (https://saleor.io)
- **Version:** 3.17.8
- **Released:** Dec 06, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/saleor/updates/3.17.8/

## Executive Summary (TL;DR)
Saleor 3.17.8. Source highlight: Release funds for abandoned checkouts (#14840) (3abe076122)

## New Features
- Add an upper index on user email  (#14929) (9f05ad9fa0)
- Add missing lock to avoid deadlocks between checkout process and payment plugins (#14891) (a7e308218b)

## Bug Fixes
- Fix attributes save performance (#14924) (7789fd14b6)
- Fix missing permssion in promotion state (#14853) (40218c091f)