# Saleor 3.21.52 — Release & Upgrade Intelligence
- **Product:** Saleor (https://saleor.io)
- **Version:** 3.21.52
- **Released:** Mar 19, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/saleor/updates/3.21.52/

## Executive Summary (TL;DR)
Saleor 3.21.52. Source highlight: Fix memory leak for cached states

## New Features
- Introduce a metric for tracking GraphQL field usage

## Bug Fixes
- Fix memory leak for cached states
- Fix creation of the event. (#18959)