Symfony 8.1.3 released

July 29, 2026 • Published by Fabien Potencier

Symfony 8.1 is backed by:

TYPO3 is an open source enterprise content management system, built with open web standards. It delivers high-performance digital solutions through a robust feature set renowned for its scalable architecture, multisite and multilingual capabilities, and connectivity. TYPO3 has been certified as a digital public good by the Digital Public Goods Alliance, bringing a trusted CMS platform to the broader PHP and Symfony ecosystem.

Shopware is an open headless commerce platform powered by Symfony and Vue.js that is used by thousands of shops and supported by a huge, worldwide community of developers, agencies and merchants.

Les-Tilleuls.coop is a team of 70+ Symfony experts who can help you design, develop and fix your projects. We provide a wide range of professional services including development, consulting, coaching, training and audits. We also are highly skilled in JS, Go and DevOps. We are a worker cooperative!

Mailtrap is a platform for testing and delivering emails, designed to support modern development workflows and production-grade sending. It offers secure sandboxes, email APIs, and monitoring tools for reliable email delivery.

Symfony 8.1.3 has just been released.

Read the Symfony upgrade guide to learn more about upgrading Symfony and use the SymfonyInsight upgrade reports to detect the code you will need to change in your project.

Tip

Want to be notified whenever a new Symfony release is published? Or when a version is not maintained anymore? Or only when a security issue is fixed? Consider subscribing to the Symfony Roadmap Notifications.

Changelog Since Symfony 8.1.2

minor #65046 [VarExporter] Detect the null byte rendering instead of pinning a PHP version (@nicolas-grekas)
minor #65042 [Serializer] Relax PropertyAccess version constraint (@derrabus)
bug #65036 [HttpClient] Revert " Strip Proxy-Authorization on cross-authority redirects" (@GrahamCampbell)

Published in #Releases

❤️ Help the Symfony project!

As with any Open-Source project, contributing code or documentation is the most common way to help, but we also have a wide range of sponsoring opportunities.

💼 Lead Symfony Developer at DocuPet View Symfony jobs →

CA$140,000 – CA$180,000 / year - Full remote

Symfony 8.1.3 released

Changelog Since Symfony 8.1.2

Comments

Become a Symfony contributor