Easily serialize, and deserialize data of any complexity (supports XML, JSON, YAML)
SymfonyUidHandler
by @mbabker in https://github.com/schmittjoh/JMSSerializerBundle/pull/887
TraceableFileLocator
by @jdreesen in https://github.com/schmittjoh/JMSSerializerBundle/pull/894
Full Changelog: https://github.com/schmittjoh/JMSSerializerBundle/compare/4.1.0...4.2.0
Full Changelog: https://github.com/schmittjoh/JMSSerializerBundle/compare/4.0.2...4.1.0
Full Changelog: https://github.com/schmittjoh/JMSSerializerBundle/compare/4.0.1...4.0.2
For upgrading instructions, please refer to https://github.com/schmittjoh/JMSSerializerBundle/blob/master/UPGRADING.md