---
title: "TYPO3 12.4.48—What’s Changed?"
url: "https://b13.com/release-digests/v12/typo3-12448-whats-changed"
date: 2026-07-14
modified: 2026-07-14
lastUpdated: 2026-07-14
---

# TYPO3 12.4.48—What’s Changed?

TYPO3 12.4.48—What’s Changed?
==============================

Released: July 14, 2026
Update type: Bugfix and maintenance release

TYPO3 12.4.48 is a maintenance release that updates the Guzzle HTTP library dependency and includes minor technical improvements. This release contains no security fixes and focuses on keeping dependencies current and improving test infrastructure.

Security Fixes
--------------

No security fixes in this release.

Editing & UX Improvements
-----------------------------

No changes in this category.

Backend & Administration
----------------------------

No changes in this category.

Technical Changes
-----------------

- **Guzzle HTTP library update** — Updated guzzlehttp/\* dependencies to ensure compatibility with the latest HTTP client library versions.
- **PHPUnit test improvements** — Resolved warnings in PHPUnit tests related to the ReflectionService destructor, improving test reliability and reducing noise during development.

- [Download TYPO3 12](https://get.typo3.org/version/12)
- [Official release announcement](https://news.typo3.com/article/typo3-10459-11553-and-12448-elts-released)
- [Full changelog](https://docs.typo3.org/c/typo3/cms-core/main/en-us/Changelog-12/Index.html)