# Saleor 3.11.26 — Release & Upgrade Intelligence
- **Product:** Saleor (https://saleor.io)
- **Version:** 3.11.26
- **Released:** Apr 21, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/saleor/updates/3.11.26/

## Executive Summary (TL;DR)
Saleor 3.11.26. Source highlight: Optimize update_products_discounted_prices_of_catalogues_task memory usage by @tomaszszymanski129 in #12642

## New Features
- Add Slack notifications for failed publish by @cmiacz in #12622

## Improvements
- Allow apps to perform `webhookUpdate` mutation by @przlada in #12618

## Bug Fixes
- Fix typing of settings to prevent mypy from complaining by @patrys in #12608