Symfony Blog

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

New in Symfony 8.2 EntityExists, Cron and Audio Constraints

Symfony 8.2 adds new constraints to validate Doctrine entity references, cron expressions and audio files.
October 8, 2026 #Living on the edge ❤️ 9 👍 4 🚀 3 🎉 1

New in Symfony 8.2 Compiled Event Dispatcher

Symfony 8.2 compiles event listeners into a PHP array to reduce dispatcher setup time and memory use.
October 7, 2026 #Living on the edge ❤️ 6 👍 5 🚀 6 🎉 2

SymfonyCon Warsaw 2026 From 14s to 1.8s: A Symfony Cold Start Autopsy

14s down to 1.8s 🚀 Join Rémi Janot at #SymfonyCon Warsaw 2026 for a cold start autopsy on Cloud Run. Learn the tools, container internals, and exact methodology to fix slow cold starts!
October 6, 2026 #Conferences 👍 2

New in Symfony 8.2 Relative Ordering for Listeners and Services

Symfony 8.2 lets you order event listeners, tagged services, decorators and Messenger handlers relative to each other instead of guessing priorities.
October 6, 2026 #Living on the edge ❤️ 12 👍 5 🚀 4 🎉 2

SymfonyCon Warsaw 2026 final class Entity: Doctrine Mapping for Modern PHP

No getters, no setters, same database schema, just considerably less code 💻 Catch Alexander Turek at #SymfonyCon Warsaw 2026 to see how Doctrine ORM 3.4 & DBAL 4.3 modernize your domain entities!
October 5, 2026 #Conferences ❤️ 1 🚀 2 🎉 1

New in Symfony 8.2 Targeted Cache-Control and Cache-Status Headers

Symfony 8.2 lets you set separate cache rules for CDNs and browsers, and see how its HTTP cache handled a request.
October 5, 2026 #Living on the edge ❤️ 3 👍 2 🚀 2 🎉 1

September 28 – October 4, 2026 A Week of Symfony #1031

This week, Symfony 6.4.47, 7.4.20, and 8.1.8 were released, along with Symfony Reprise 1.3.0. Meanwhile, we continued introducing Symfony 8.2 features, including OpenID Connect login, PGP/MIME signed and encrypted emails, sudo mode, more flexible serialization groups, and performance improvements. Finally, we announced more talks for SymfonyCon Warsaw 2026.
October 4, 2026 #A week of symfony 👍 4

New in Symfony 8.2 Performance Improvements

Symfony 8.2 adds performance improvements that speed up web pages, APIs, console commands, development and cache builds.
October 2, 2026 #Living on the edge ❤️ 9 👍 2 🚀 8 🎉 2

New in Symfony 8.2 More Flexible Serialization Groups

Symfony 8.2 adds more options for serialization groups and lets you choose named serializers for controllers and Messenger.
October 1, 2026 #Living on the edge ❤️ 5 👍 5 🚀 2 🎉 2

SymfonyCon Warsaw 2026 The PHP Runtime I Want to See

What if PHP could remember between requests without changing how you write controllers? 🧠 Join Nicolas Grekas at SymfonyCon Warsaw 2026 as he unveils background workers in FrankenPHP, long-running PHP with zero TTL & zero restarts!
September 30, 2026 #Conferences 👍 1