symfony/UPGRADE-4.4.md

UPGRADE FROM 4.3 to 4.4

DependencyInjection

• Deprecated support for short factories and short configurators in Yaml

  Before:

  services:
    my_service:
      factory: factory_service:method
  

  After:

  services:
    my_service:
      factory: ['@factory_service', method]
  

• Deprecated tagged in favor of tagged_iterator

  Before:

  services:
      App\Handler:
          tags: ['app.handler']
  
      App\HandlerCollection:
          arguments: [!tagged app.handler]
  

  After:

  services:
      App\Handler:
      tags: ['app.handler']
  
  App\HandlerCollection:
      arguments: [!tagged_iterator app.handler]
  

FrameworkBundle

• Deprecated support for templating engine in TemplateController, use Twig instead
• The $parser argument of ControllerResolver::__construct() and DelegatingLoader::__construct() has been deprecated.
• The ControllerResolver and DelegatingLoader classes have been marked as final.
• The controller_name_converter and resolve_controller_name_subscriber services have been deprecated.

HttpClient

• Added method cancel() to ResponseInterface

HttpKernel

• The DebugHandlersListener class has been marked as final

Messenger

• Deprecated passing a ContainerInterface instance as first argument of the ConsumeMessagesCommand constructor, pass a RoutableMessageBus instance instead.

MonologBridge

• The RouteProcessor has been marked final.

Security

• Implementations of PasswordEncoderInterface and UserPasswordEncoderInterface should add a new needsRehash() method

TwigBridge

• Deprecated to pass $rootDir and $fileLinkFormatter as 5th and 6th argument respectively to the DebugCommand::__construct() method, swap the variables position.

Validator

• Deprecated passing an ExpressionLanguage instance as the second argument of ExpressionValidator::__construct(). Pass it as the first argument instead.
• The Length constraint expects the allowEmptyString option to be defined when the min option is used. Set it to true to keep the current behavior and false to reject empty strings. In 5.0, it'll become optional and will default to false.