# Saleor 3.16.15 — Release & Upgrade Intelligence
- **Product:** Saleor (https://saleor.io)
- **Version:** 3.16.15
- **Released:** Dec 14, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/saleor/updates/3.16.15/

## Executive Summary (TL;DR)
Saleor 3.16.15. Source highlight: Fix handling subscription with empty data (#14958) (370680533c)

## New Features
- Add migrations for idempotency field, and index (#14997) (f81ac9f3e1)

## Bug Fixes
- Fix handling subscription with empty data (#14958) (370680533c)