• Add support for deprecating resources, operations and fields in GraphQL, Hydra and Swagger
• Add API Platform panels in the Symfony profiler and in the web debug toolbar
• Make resource class's constructor parameters writable
• Add a shortcut syntax to define attributes at the root of @ApiResource and @ApiProperty annotations
• Throw an exception if a required filter isn't set
• Allow to specify the message when access is denied using the access_control_message attribute
• Add a new option to include null results when using the date filter
• Allow data persisters to return a new instance instead of mutating the existing one
• Add a new attribute to configure specific formats per resources or operations
• Add an --output option to the api:swagger:export command
• Implement the CacheableSupportsMethodInterface introduced in Symfony 4.1 in all (de)normalizers (improves the performance dramatically)
• Drop support for PHP 7.0
• Upgrade Swagger UI and GraphiQL
• GraphQL: Add a totalCount field in GraphQL paginated collections
• JSONAPI: Allow inclusion of related resources