# Saleor 3.16.21 — Release & Upgrade Intelligence
- **Product:** Saleor (https://saleor.io)
- **Version:** 3.16.21
- **Released:** Feb 08, 2024
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/saleor/updates/3.16.21/

## Executive Summary (TL;DR)
Saleor 3.16.21. Source highlight: Add token field as optional argument to transaction mutations and query by @tomaszszymanski129 in #15365

## New Features
- Add token field as optional argument to transaction mutations and query by @tomaszszymanski129 in #15365