# Saleor 3.16.53 — Release & Upgrade Intelligence
- **Product:** Saleor (https://saleor.io)
- **Version:** 3.16.53
- **Released:** Jun 14, 2024
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/saleor/updates/3.16.53/

## Executive Summary (TL;DR)
Saleor 3.16.53. Source highlight: Extend `OrderLine` type with `isPriceOverridden` field and make `unitDiscountType` nullable  - #16089

## New Features
- Improve validation for email plugins, add support for env var `USER_EMAIL_URL` - #16097