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Symfony Blog

All about Symfony releases, new Symfony features, and other important announcements

Symfony 7.3 introduces validation improvements including better When constraint, deprecations for array-based options, and enhanced file, image, and uniqueness constraints.
May 27, 2025 #Living on the edge ❤️ 8 👍 9 🚀 7 🎉 4
Symfony 7.3 improves the Serializer component with new features like number normalization, discriminator defaults, and better debug output.
May 26, 2025 #Living on the edge ❤️ 9 👍 5 🚀 3 🎉 3
May 25, 2025 #Releases 👍 6 🚀 2 🎉 2
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.
May 25, 2025 #A week of symfony
Symfony 7.3 introduces new bridges and improves existing integrations with services like Amazon SES, Beanstalkd, Redis, and more.
May 23, 2025 #Living on the edge 👍 6 🚀 2 🎉 2
Symfony 7.3 improves Messenger with deduplication middleware, running processes using the shell, and keepalive for Doctrine transport.
May 22, 2025 #Living on the edge ❤️ 8 👍 6 🚀 10 🎉 5
Symfony 7.3 routing simplifies controller detection, adds route aliases in attributes, and introduces parameter aliases.
May 21, 2025 #Living on the edge ❤️ 19 👍 8 🚀 10 🎉 6
In Symfony 7.3, the new JsonStreamer component provides a high-performance, low-memory solution for encoding and decoding JSON at scale.
May 20, 2025 #Living on the edge ❤️ 21 👍 12 🚀 14 🎉 9
Symfony UX CVE-2025-47946: Unsanitized HTML attribute injection via ComponentAttributes
May 19, 2025 #Security Advisories 👍 2
Symfony 7.3 adds YAML flags to force quoted strings, compact nested maps, and dump empty entries.
May 19, 2025 #Living on the edge ❤️ 2 👍 8 🚀 3 🎉 1