# Saleor 3.17.0 — Release & Upgrade Intelligence
- **Product:** Saleor (https://saleor.io)
- **Version:** 3.17.0
- **Released:** Oct 11, 2023
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/saleor/updates/3.17.0/

## Executive Summary (TL;DR)
Saleor 3.17.0. Source highlight: Welcome to Saleor 3.17 release!

## Breaking Changes & Deprecations
- Breaking changes - Deprecate `external_url` on `Invoice` GraphQL type in favor of `url`. No matter if the invoice is stored on Saleor or is a link to an external invoice it will get returned in the `url` field.

## New Features
- Introduce promotions, that allow applying discounts based on certain conditions.
- Add new subscriptions:
- Add new event types:
- **Feature preview change**:
- Add a new `updatedAt` field and a filter for product categories. - #13825

## Bug Fixes
- Fix thumbnail redirects sometimes failing with an unsafe redirect warning - #14023