# Saleor 3.15.19 — Release & Upgrade Intelligence
- **Product:** Saleor (https://saleor.io)
- **Version:** 3.15.19
- **Released:** Dec 14, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/saleor/updates/3.15.19/

## Executive Summary (TL;DR)
Saleor 3.15.19. Source highlight: Fix handling subscription with empty data (#14957) (6453bff9f8)

## New Features
- Add migrations for idempotency field, and index (#14996) (8ce65722d0)

## Bug Fixes
- Fix handling subscription with empty data (#14957) (6453bff9f8)