• Fix identifiers creation and update when using GraphQL
• Fix nested properties support when using filters with GraphQL
• Fix a bug preventing the ExistFilter to work properly with GraphQL
• Fix a bug preventing to use a custom denormalization context when using GraphQL
• Enforce the compliance with the JSONAPI spec by throwing a 400 error when using the "inclusion of related resources" feature
• Update ChainSubresourceDataProvider to take into account RestrictedDataProviderInterface
• Fix the cached identifiers extractor support for stringable identifiers
• Allow a POST request to have an empty body
• Fix a crash when the ExpressionLanguage component isn't installed
• Enable item route on collection's subresources
• Fix an issue with subresource filters, was incorrectly adding filters for the parent instead of the subresource
• Throw when a subresources identifier is not found
• Allow subresource items in the IriConverter
• Don't send the Link HTTP header pointing to the Hydra documentation if docs are disabled
• Fix relations denormalization with plain identifiers
• Prevent the OrderFilter to trigger faulty deprecation notices
• Respect the fetchEager=false directive on an association in the EagerLoadingExtension
• Use the configured name converter (if any) for relations in the HAL's ItemNormalizer
• Use the configured name converter (if any) in the ConstraintViolationListNormalizer
• Dramatically improve the overall performance by fixing the normalizer's cache key generation
• Improve the performance CachedRouteNameResolver and CachedSubresourceOperationFactory by adding a local memory cache layer
• Improve the performance of access control checking when using GraphQL
• Improve the performance by using isResourceClass when possible
• Remove a useless try/catch in the CachedTrait
• Forward the operation name to the IriConverter
• Fix some more code quality issues