Symfony 6.4.21 has just been released. Here is the list of the most important changes since 6.4.20:

  • bug #60288 [VarExporter] dump default value for property hooks if present (@xabbuh)
  • bug #60268 [Contracts] Fix ServiceSubscriberTrait for nullable service (@StevenRenaux)
  • bug #60256 [Mailer][Postmark] drop the Date header using the API transport (@xabbuh)
  • bug #60258 [VarExporter] Fix: Use correct closure call for property-specific logic in $notByRef (@Hakayashii, @denjas)
  • bug #60269 [Notifier] [Discord] Fix value limits (@norkunas)
  • bug #60248 [Messenger] Revert " Add call to gc_collect_cycles() after each message is handled" (@jwage)
  • bug #60236 [String] Support nexus -> nexuses pluralization (@KorvinSzanto)
  • bug #60194 [Workflow] Fix dispatch of entered event when the subject is already in this marking (@lyrixx)
  • bug #60172 [Cache] Fix invalidating on save failures with Array|ApcuAdapter (@nicolas-grekas)
  • bug #60122 [Cache] ArrayAdapter serialization exception clean $expiries (@bastien-wink)
  • bug #60167 [Cache] Fix proxying third party PSR-6 cache items (Dmitry Danilson)
  • bug #60165 [HttpKernel] Do not ignore enum in controller arguments when it has an #[Autowire] attribute (@ruudk)
  • bug #60168 [Console] Correctly convert SIGSYS to its name (@cs278)
  • bug #60166 [Security] fix(security): fix OIDC user identifier (@vincentchalamon)
  • bug #60124 [Validator] : fix url validation when punycode is on tld but not on domain (@joelwurtz)
  • bug #60057 [Mailer] Fix Trying to access array offset on value of type null error by adding null checking (@khushaalan)
  • bug #60094 [DoctrineBridge] Fix support for entities that leverage native lazy objects (@nicolas-grekas)
  • bug #60094 [DoctrineBridge] Fix support for entities that leverage native lazy objects (@nicolas-grekas)

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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Published in #Releases