Symfony 7.3 introduces several enhancements to the Validator component, focusing on developer experience, better configurability, and more expressive constraint definitions.

Allow to Disable Translation… https://symfony.com/blog/new-in-symfony-7-3-validator-improvements?utm_source=Symfony%20Blog%20Feed&utm_medium=feed

Symfony 7.3 adds a new JsonStreamer component as a high-performance, low-memory JSON encoding and decoding utility. However, the Serializer component still has many valid use cases, even for JSON content, thanks to its rich feature set and flexibility. In… https://symfony.com/blog/new-in-symfony-7-3-serializer-improvements?utm_source=Symfony%20Blog%20Feed&utm_medium=feed

Symfony 7.3.0-RC1 has just been released. This is a pre-release version of Symfony 7.3. If you want to test it in your own applications before its final release, run the following commands:

    1

2 3 $ composer config minimum-stability… https://symfony.com/blog/symfony-7-3-0-rc1-released?utm_source=Symfony%20Blog%20Feed&utm_medium=feed

This week, development activity focused on putting the final touches on Symfony 7.3 in preparation for its stable release next week. In addition, we published a security fix for a potential vulnerability in Symfony UX.

Symfony development highlights

This… https://symfony.com/blog/a-week-of-symfony-960-may-19-25-2025?utm_source=Symfony%20Blog%20Feed&utm_medium=feed

Symfony's bridge packages integrate third-party services, such as mailers, notifiers, and translation providers, into Symfony applications. With more than 120 bridges available today, Symfony supports everything from major platforms like Google, Microsoft,… https://symfony.com/blog/new-in-symfony-7-3-new-bridges-and-improved-integrations?utm_source=Symfony%20Blog%20Feed&utm_medium=feed

Symfony Messenger component keeps evolving to meet the needs of complex, modern applications. In Symfony 7.3, we're introducing several powerful features to it.

Run Process Using the Shell… https://symfony.com/blog/new-in-symfony-7-3-messenger-improvements?utm_source=Symfony%20Blog%20Feed&utm_medium=feed

The Routing component provides an impressive list of features to map incoming URLs to your application code. Symfony 7.3 pushes it even further with a set of new features that improve developer experience.

Improved Route Attribute… https://symfony.com/blog/new-in-symfony-7-3-routing-improvements?utm_source=Symfony%20Blog%20Feed&utm_medium=feed

Contributed by Mathias Arlaud in

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https://symfony.com/blog/new-in-symfony-7-3-jsonstreamer-component?utm_source=Symfony%20Blog%20Feed&utm_medium=feed

Affected versions

Symfony UX symfony/ux-live-component and symfony/ux-twig-component versions <2.25.1 are affected by this security issue.

The issue has been fixed in the 2.25.1 version of these packages.

Description

Rendering {{ attributes }} or using… https://symfony.com/blog/symfony-ux-cve-2025-47946-unsanitized-html-attribute-injection-via-componentattributes?utm_source=Symfony%20Blog%20Feed&utm_medium=feed

Symfony has been reducing the need for configuration in applications for several years now. Thanks to PHP attributes, you can now configure most things alongside the relevant code, removing the need for external files and formats like YAML. However, YAML… https://symfony.com/blog/new-in-symfony-7-3-yaml-improvements?utm_source=Symfony%20Blog%20Feed&utm_medium=feed