# Saleor 3.23.21 — Release & Upgrade Intelligence
- **Product:** Saleor (https://saleor.io)
- **Version:** 3.23.21
- **Released:** Jul 24, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/saleor/updates/3.23.21/

## Executive Summary (TL;DR)
Saleor 3.23.21. Source highlight: Fix permission check for attributeUpdate and attributeDelete mutations (#19527)

## New Features
- [port] docs: harden AGENTS.md and add Saleor review skills

## Bug Fixes
- Fix permission check for attributeUpdate and attributeDelete mutations (#19527)