Symfony 6.4.0 released

November 29, 2023 · Published by

Fabien Potencier

Symfony 6.4 is backed by:

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Symfony 6.4.0 has just been released.

Check the Living on the Edge category on this blog to learn about the main features of this new stable release; or check the release announcement of BETA1 to get the list of all new features.

Here is the list of the most important changes since 6.4.0-RC2:

bug #52786 [Serializer] Revert allowed attributes fix (@mtarld)
bug #52765 [Translation] Remove @internal from abstract testcases (@OskarStark)
bug #52780 [DependencyInjection] don't check parameter values if they are not set (@xabbuh)
bug #52762 [VarExporter] Work around php/php-src#12695 for lazy objects, fixing nullsafe-related behavior (@nicolas-grekas)
bug #52759 [VarExporter] Fix serializing objects that implement __sleep() and that are made lazy (@nicolas-grekas)
bug #52767 [Serializer] Fix normalization relying on allowed attributes only (@mtarld)
bug #52727 [String] Fix Inflector for 'icon' (@podhy)

Want to upgrade to this new release? Because Symfony protects backwards-compatibility very closely, this should be quite easy. Use SymfonyInsight upgrade reports to detect the code you will need to change in your project and read our upgrade documentation to learn more.

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