Changelog (v6.4.0-BETA1...v6.4.0-BETA2)
- bug symfony/symfony#51331 [Messenger] add handler description as array key to
HandlerFailedException::getWrappedExceptions()(@kbond) - bug symfony/symfony#52276 DB table locks on messenger_messages with many failures (@bn-jdcook)
- bug symfony/symfony#52232 [Messenger] declare constructor argument as optional for backwards compatibility (@xabbuh)