Symfony News

Symfony 5.3.1 released

Symfony 5.3.1 has just been released. Here is a list of the most important changes:

• bug #41463 [Serializer][Validator] Fix not null return from “getCollectionValueTypes” (@jderusse)
• bug #41493 [Security] Readd deprecated methods to the interfaces (@wouterj)
• bug #41495 [HttpFoundation] Add ReturnTypeWillChange to SessionHandlers (@nikic)
• bug #41485 [HttpKernel] fix ArgumentMetadataFactory messes up controller arguments with attributes (@sgehrig)
• bug #41461 Fix Symfony 5.3 end of maintenance date (@jmsche)

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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