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Symfony Blog

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

Harness engineering for AI coding agents in Symfony! Join Anne-Julia Seitz to discover how to upgrade your CI tools into actionable agent feedback loops and strictly enforce architectural rules on legacy code.
October 16, 2026 #Conferences
Symfony 8.2 adds a #[Lock] attribute that rejects or delays concurrent requests to a controller.
October 16, 2026 #Living on the edge ❤️ 2 👍 3 🚀 4 🎉 1
Comparing Symfony Messenger transports in practice! Catch Oskar Barcz at SymfonyCon Warsaw 2026 as he breaks down queue backends, data-driven trade-offs, and their real business impact on production systems!
October 15, 2026 #Conferences
Symfony 8.2 lets you encrypt Doctrine entity properties with a single #[Encrypted] attribute.
October 15, 2026 #Living on the edge ❤️ 8 👍 5 🚀 4 🎉 2
Unbounded Nesting in the Expression Parser Lets Untrusted Expressions Crash the Process
October 15, 2026 #Security Advisories #Symfony
ReDoS in HeaderUtils::split() Reachable Through the Cache-Control Request Header
October 15, 2026 #Security Advisories #Symfony
Unbounded Recursion in the YAML Inline Lexer Lets a Single Document Crash the Process
October 15, 2026 #Security Advisories #Symfony
October 15, 2026 #Releases #Symfony UX ❤️ 6 🚀 5 🎉 1
October 15, 2026 #Releases ❤️ 1 👍 1
Modern Symfony CLI applications in practice! Join Robin Chalas at SymfonyCon Warsaw 2026 as he unveils the new DI-powered, HTTP-less foundation that makes standalone commands first-class citizens.
October 14, 2026 #Conferences