• Leverage serialization groups to eager load data
• Fix the Swagger Normalizer to correctly support nested serialization groups
• Use strict types
• Get rid of the dependency to the Templating component
• Explicitly add missing dependency to PropertyAccess component
• Allow the operation name to be null in ResourceMetadata
• Fix an undefined index error occurring in some cases when using sub types
• Make the bundle working even when soft dependencies aren't installed
• Fix serialization of multiple inheritance child types
• Fix the priority of the FOSUSer's event listener
• Fix the resource class resolver with using \Traversable values
• Fix inheritance of property metadata for the Doctrine ORM property metadata factory
• EagerLoadingExtension: Disable partial fetching if entity has subclasses
• Refactoring and cleanup of the eager loading mechanism
• Fix the handling of composite identifiers
• Fix HAL normalizer when the context isn't serializable
• Fix some quality problems found by PHPStan