# Strapi v4.13.4 — Release & Upgrade Intelligence
- **Product:** Strapi (https://strapi.io)
- **Version:** v4.13.4
- **Released:** Sep 11, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/strapi/updates/v4.13.4/

## Executive Summary (TL;DR)
Strapi v4.13.4. Source highlight: [core:upload] fix: relativeURLs fail with appendSearchParamsToUrl (https://github.com/strapi/strapi/pull/17967) @joshuaellis

## Bug Fixes
- [core:upload] fix: relativeURLs fail with appendSearchParamsToUrl (https://github.com/strapi/strapi/pull/17967) @joshuaellis
- [core:upload] fix: fallback to window.location.href if backendURL is not defined (https://github.com/strapi/strapi/pull/17982) @joshuaellis