UPGRADE FROM 5.x to 6.0

Asset

Removed RemoteJsonManifestVersionStrategy, use JsonManifestVersionStrategy instead.

DoctrineBridge

Remove UserLoaderInterface::loadUserByUsername() in favor of UserLoaderInterface::loadUserByIdentifier()

Cache

Remove DoctrineProvider because it has been added to the doctrine/cache package

Config

The signature of method NodeDefinition::setDeprecated() has been updated to NodeDefinition::setDeprecation(string $package, string $version, string $message).
The signature of method BaseNode::setDeprecated() has been updated to BaseNode::setDeprecation(string $package, string $version, string $message).
Passing a null message to BaseNode::setDeprecated() to un-deprecate a node is not supported anymore.
Removed BaseNode::getDeprecationMessage(), use BaseNode::getDeprecation() instead.

Console

Command::setHidden() has a default value (true) for $hidden parameter
Remove Helper::strlen(), use Helper::width() instead.
Remove Helper::strlenWithoutDecoration(), use Helper::removeDecoration() instead.

DependencyInjection

The signature of method Definition::setDeprecated() has been updated to Definition::setDeprecation(string $package, string $version, string $message).
The signature of method Alias::setDeprecated() has been updated to Alias::setDeprecation(string $package, string $version, string $message).
The signature of method DeprecateTrait::deprecate() has been updated to DeprecateTrait::deprecation(string $package, string $version, string $message).
Removed the Psr\Container\ContainerInterface and Symfony\Component\DependencyInjection\ContainerInterface aliases of the service_container service, configure them explicitly instead.
Removed Definition::getDeprecationMessage(), use Definition::getDeprecation() instead.
Removed Alias::getDeprecationMessage(), use Alias::getDeprecation() instead.
The inline() function from the PHP-DSL has been removed, use inline_service() instead.
The ref() function from the PHP-DSL has been removed, use service() instead.
Removed Definition::setPrivate() and Alias::setPrivate(), use setPublic() instead

DomCrawler

Removed the parents() method, use ancestors() instead.

Dotenv

Removed argument $usePutenv from Dotenv's constructor, use Dotenv::usePutenv() instead.

EventDispatcher

Removed LegacyEventDispatcherProxy. Use the event dispatcher without the proxy.

Finder

Remove Comparator::setTarget() and Comparator::setOperator()
The $target parameter of Comparator::__construct() is now mandatory

Form

The default value of the rounding_mode option of the PercentType has been changed to \NumberFormatter::ROUND_HALFUP.
The default rounding mode of the PercentToLocalizedStringTransformer has been changed to \NumberFormatter::ROUND_HALFUP.
Added the getIsEmptyCallback() method to the FormConfigInterface.
Added the setIsEmptyCallback() method to the FormConfigBuilderInterface.
Added argument callable|null $filter to ChoiceListFactoryInterface::createListFromChoices() and createListFromLoader().
The Symfony\Component\Form\Extension\Validator\Util\ServerParams class has been removed, use its parent Symfony\Component\Form\Util\ServerParams instead.
The NumberToLocalizedStringTransformer::ROUND_* constants have been removed, use \NumberFormatter::ROUND_* instead.
Removed PropertyPathMapper in favor of DataMapper and PropertyPathAccessor.
Changed $forms parameter type of the DataMapper::mapDataToForms() method from iterable to \Traversable.
Changed $forms parameter type of the DataMapper::mapFormsToData() method from iterable to \Traversable.
Changed $checkboxes parameter type of the CheckboxListMapper::mapDataToForms() method from iterable to \Traversable.
Changed $checkboxes parameter type of the CheckboxListMapper::mapFormsToData() method from iterable to \Traversable.
Changed $radios parameter type of the RadioListMapper::mapDataToForms() method from iterable to \Traversable.
Changed $radios parameter type of the RadioListMapper::mapFormsToData() method from iterable to \Traversable.

FrameworkBundle

Remove the session.storage alias and session.storage.* services, use the session.storage.factory alias and session.storage.factory.* services instead
Remove framework.session.storage_id configuration option, use the framework.session.storage_factory_id configuration option instead
Remove the session service and the SessionInterface alias, use the \Symfony\Component\HttpFoundation\Request::getSession() or the new \Symfony\Component\HttpFoundation\RequestStack::getSession() methods instead
MicroKernelTrait::configureRoutes() is now always called with a RoutingConfigurator
The "framework.router.utf8" configuration option defaults to true
Removed session.attribute_bag service and session.flash_bag service.
The form.factory, form.type.file, profiler, translator, security.csrf.token_manager, serializer, cache_clearer, filesystem and validator services are now private.
Removed the lock.RESOURCE_NAME and lock.RESOURCE_NAME.store services and the lock, LockInterface, lock.store and PersistingStoreInterface aliases, use lock.RESOURCE_NAME.factory, lock.factory or LockFactory instead.
Remove the KernelTestCase::$container property, use KernelTestCase::getContainer() instead
Registered workflow services are now private
Remove option --xliff-version of the translation:update command, use e.g. --output-format=xlf20 instead
Remove option --output-format of the translation:update command, use e.g. --output-format=xlf20 instead
Remove the AdapterInterface autowiring alias, use CacheItemPoolInterface instead

HttpFoundation

Remove the NamespacedAttributeBag class
Removed Response::create(), JsonResponse::create(), RedirectResponse::create(), StreamedResponse::create() and BinaryFileResponse::create() methods (use __construct() instead)
Not passing a Closure together with FILTER_CALLBACK to ParameterBag::filter() throws an InvalidArgumentException; wrap your filter in a closure instead.
Removed the Request::HEADER_X_FORWARDED_ALL constant, use either Request::HEADER_X_FORWARDED_FOR | Request::HEADER_X_FORWARDED_HOST | Request::HEADER_X_FORWARDED_PORT | Request::HEADER_X_FORWARDED_PROTO or Request::HEADER_X_FORWARDED_AWS_ELB or Request::HEADER_X_FORWARDED_TRAEFIKconstants instead.
Rename RequestStack::getMasterRequest() to getMainRequest()

HttpKernel

Remove ArgumentInterface
Remove ArgumentMetadata::getAttribute(), use getAttributes() instead
Make WarmableInterface::warmUp() return a list of classes or files to preload on PHP 7.4+
Remove support for service:action syntax to reference controllers. Use serviceOrFqcn::method instead.
Remove support for returning a ContainerBuilder from KernelInterface::registerContainerConfiguration()
Rename HttpKernelInterface::MASTER_REQUEST to MAIN_REQUEST
Rename KernelEvent::isMasterRequest() to isMainRequest()

Inflector

The component has been removed, use EnglishInflector from the String component instead.

Lock

Removed the NotSupportedException. It shouldn't be thrown anymore.
Removed the RetryTillSaveStore. Logic has been moved in Lock and is not needed anymore.

Mailer

Removed the SesApiTransport class. Use SesApiAsyncAwsTransport instead.
Removed the SesHttpTransport class. Use SesHttpAsyncAwsTransport instead.

Messenger

Removed AmqpExt transport. Run composer require symfony/amqp-messenger to keep the transport in your application.
Removed Doctrine transport. Run composer require symfony/doctrine-messenger to keep the transport in your application.
Removed RedisExt transport. Run composer require symfony/redis-messenger to keep the transport in your application.
Use of invalid options in Redis and AMQP connections now throws an error.
The signature of method RetryStrategyInterface::isRetryable() has been updated to RetryStrategyInterface::isRetryable(Envelope $message, \Throwable $throwable = null).
The signature of method RetryStrategyInterface::getWaitingTime() has been updated to RetryStrategyInterface::getWaitingTime(Envelope $message, \Throwable $throwable = null).
Removed the prefetch_count parameter in the AMQP bridge.
Removed the use of TLS option for Redis Bridge, use rediss://127.0.0.1 instead of redis://127.0.0.1?tls=1
The delete_after_ack config option of the Redis transport now defaults to true

Mime

Removed Address::fromString(), use Address::create() instead

Monolog

The $actionLevel constructor argument of Symfony\Bridge\Monolog\Handler\FingersCrossed\NotFoundActivationStrategy has been replaced by the $inner one which expects an ActivationStrategyInterface to decorate instead. Symfony\Bridge\Monolog\Handler\FingersCrossed\NotFoundActivationStrategy is now final.
The $actionLevel constructor argument of Symfony\Bridge\Monolog\Handler\FingersCrossed\HttpCodeActivationStrategy has been replaced by the $inner one which expects an ActivationStrategyInterface to decorate instead. Symfony\Bridge\Monolog\Handler\FingersCrossed\HttpCodeActivationStrategy is now final.

Notifier

Remove SlackOptions::channel(), use SlackOptions::recipient() instead.

OptionsResolver

The signature of method OptionsResolver::setDeprecated() has been updated to OptionsResolver::setDeprecated(string $option, string $package, string $version, $message).
Removed OptionsResolverIntrospector::getDeprecationMessage(), use OptionsResolverIntrospector::getDeprecation() instead.

PhpUnitBridge

Removed support for @expectedDeprecation annotations, use the ExpectDeprecationTrait::expectDeprecation() method instead.
Removed the SetUpTearDownTrait trait, use original methods with "void" return typehint.

PropertyAccess

Drop support for booleans as the second argument of PropertyAccessor::__construct(), pass a combination of bitwise flags instead.
Dropped support for booleans as the first argument of PropertyAccessor::__construct(). Pass a combination of bitwise flags instead.

PropertyInfo

Removed the Type::getCollectionKeyType() and Type::getCollectionValueType() methods, use Type::getCollectionKeyTypes() and Type::getCollectionValueTypes() instead.
Dropped the enable_magic_call_extraction context option in ReflectionExtractor::getWriteInfo() and ReflectionExtractor::getReadInfo() in favor of enable_magic_methods_extraction.

Routing

Removed RouteCollectionBuilder.
Added argument $priority to RouteCollection::add()
Removed the RouteCompiler::REGEX_DELIMITER constant
Removed the $data parameter from the constructor of the Route annotation class

Security

Remove the 4th and 5th argument of AuthorizationChecker
Remove the 5th argument of AccessListener
Remove class User, use InMemoryUser or your own implementation instead. If you are using the isAccountNonLocked(), isAccountNonExpired() or isCredentialsNonExpired() method, consider re-implementing them in your own user class as they are not part of the InMemoryUser API
Remove class UserChecker, use InMemoryUserChecker or your own implementation instead

Remove UserInterface::getPassword() If your getPassword() method does not return null (i.e. you are using password-based authentication), you should implement PasswordAuthenticatedUserInterface.

Before:

use Symfony\Component\Security\Core\User\UserInterface;

class User implements UserInterface
{
    // ...

    public function getPassword()
    {
        return $this->password;
    }
}

After:

use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface;

class User implements UserInterface, PasswordAuthenticatedUserInterface
{
    // ...

    public function getPassword(): ?string
    {
        return $this->password;
    }
}

Remove UserInterface::getSalt() If your getSalt() method does not return null (i.e. you are using password-based authentication with an old password hash algorithm that requires user-provided salts), implement LegacyPasswordAuthenticatedUserInterface.

Before:

use Symfony\Component\Security\Core\User\UserInterface;

class User implements UserInterface
{
    // ...

    public function getPassword()
    {
        return $this->password;
    }

    public function getSalt()
    {
        return $this->salt;
    }
}

After:

use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\User\LegacyPasswordAuthenticatedUserInterface;

class User implements UserInterface, LegacyPasswordAuthenticatedUserInterface
{
    // ...

    public function getPassword(): ?string
    {
        return $this->password;
    }

    public function getSalt(): ?string
    {
        return $this->salt;
    }
}

Remove UserInterface::getUsername() in favor of UserInterface::getUserIdentifier()
Remove TokenInterface::getUsername() in favor of TokenInterface::getUserIdentifier()
Remove UserProviderInterface::loadUserByUsername() in favor of UserProviderInterface::loadUserByIdentifier()
Remove UsernameNotFoundException in favor of UserNotFoundException and getUsername()/setUsername() in favor of getUserIdentifier()/setUserIdentifier()
Remove PersistentTokenInterface::getUsername() in favor of PersistentTokenInterface::getUserIdentifier()
Calling PasswordUpgraderInterface::upgradePassword() with a UserInterface instance that does not implement PasswordAuthenticatedUserInterface now throws a \TypeError.
Calling methods hashPassword(), isPasswordValid() and needsRehash() on UserPasswordHasherInterface with a UserInterface instance that does not implement PasswordAuthenticatedUserInterface now throws a \TypeError
Drop all classes in the Core\Encoder\ sub-namespace, use the PasswordHasher component instead
Drop support for SessionInterface $session as constructor argument of SessionTokenStorage, inject a \Symfony\Component\HttpFoundation\RequestStack $requestStack instead
Drop support for session provided by the ServiceLocator injected in UsageTrackingTokenStorage, provide a request_stack service instead
Make SessionTokenStorage throw a SessionNotFoundException when called outside a request context
Removed ROLE_PREVIOUS_ADMIN role in favor of IS_IMPERSONATOR attribute
Removed LogoutSuccessHandlerInterface and LogoutHandlerInterface, register a listener on the LogoutEvent event instead.
Removed DefaultLogoutSuccessHandler in favor of DefaultLogoutListener.
Added a logout(Request $request, Response $response, TokenInterface $token) method to the RememberMeServicesInterface.
Removed setProviderKey()/getProviderKey() in favor of setFirewallName()/getFirewallName() in PreAuthenticatedToken, RememberMeToken, SwitchUserToken, UsernamePasswordToken, DefaultAuthenticationSuccessHandler.
Removed the AbstractRememberMeServices::$providerKey property in favor of AbstractRememberMeServices::$firewallName
AccessDecisionManager now throw an exception when a voter does not return a valid decision.
Remove AuthenticationManagerInterface, AuthenticationProviderManager, AnonymousAuthenticationProvider, AuthenticationProviderInterface, DaoAuthenticationProvider, LdapBindAuthenticationProvider, PreAuthenticatedAuthenticationProvider, RememberMeAuthenticationProvider, UserAuthenticationProvider and AuthenticationFailureEvent from security-core, use the new authenticator system instead
Remove AbstractAuthenticationListener, AbstractPreAuthenticatedListener, AnonymousAuthenticationListener, BasicAuthenticationListener, RememberMeListener, RemoteUserAuthenticationListener, UsernamePasswordFormAuthenticationListener, UsernamePasswordJsonAuthenticationListener and X509AuthenticationListener from security-http, use the new authenticator system instead
Remove the Guard component, use the new authenticator system instead
Remove TokenInterface:isAuthenticated() and setAuthenticated() methods without replacement. Security tokens won't have an "authenticated" flag anymore, so they will always be considered authenticated
Remove DeauthenticatedEvent, use TokenDeauthenticatedEvent instead
Remove CookieClearingLogoutHandler, SessionLogoutHandler and CsrfTokenClearingLogoutHandler. Use CookieClearingLogoutListener, SessionLogoutListener and CsrfTokenClearingLogoutListener instead
Remove AuthenticatorInterface::createAuthenticatedToken(), use AuthenticatorInterface::createToken() instead

Remove PassportInterface and UserPassportInterface, use Passport instead. Also, the return type declaration of AuthenticatorInterface::authenticate() was changed to Passport

Before:

class MyAuthenticator implements AuthenticatorInterface
{
    public function authenticate(Request $request): PassportInterface
    {
    }
}

After:

class MyAuthenticator implements AuthenticatorInterface
{
    public function authenticate(Request $request): Passport
    {
    }
}

SecurityBundle

Remove SecurityFactoryInterface and SecurityExtension::addSecurityListenerFactory() in favor of AuthenticatorFactoryInterface and SecurityExtension::addAuthenticatorFactory()

Add AuthenticatorFactoryInterface::getPriority() which replaces SecurityFactoryInterface::getPosition(). Previous positions are mapped to the following priorities:

Position	Constant	Priority
pre_auth	`RemoteUserFactory::PRIORITY`/`X509Factory::PRIORITY`	-10
form	`FormLoginFactory::PRIORITY`	-30
http	`HttpBasicFactory::PRIORITY`	-50
remember_me	`RememberMeFactory::PRIORITY`	-60
anonymous	n/a	-70

Remove passing an array of arrays as 1st argument to MainConfiguration, pass a sorted flat array of factories instead.
Remove the always_authenticate_before_granting option
Remove the UserPasswordEncoderCommand class and the corresponding user:encode-password command, use UserPasswordHashCommand and user:hash-password instead
Remove the security.encoder_factory.generic service, the security.encoder_factory and Symfony\Component\Security\Core\Encoder\EncoderFactoryInterface aliases, use security.password_hasher_factory and Symfony\Component\PasswordHasher\Hasher\PasswordHasherFactoryInterface instead
Remove the security.user_password_encoder.generic service, the security.password_encoder and the Symfony\Component\Security\Core\Encoder\UserPasswordEncoderInterface aliases, use security.user_password_hasher, security.password_hasher and Symfony\Component\PasswordHasher\Hasher\UserPasswordHasherInterface instead
The security.authorization_checker and security.token_storage services are now private
Not setting the enable_authenticator_manager option to true now throws an exception
Remove the security.authentication.provider.* services, use the new authenticator system instead
Remove the security.authentication.listener.* services, use the new authenticator system instead
Remove the Guard component integration, use the new authenticator system instead

Serializer

Removed ArrayDenormalizer::setSerializer(), call setDenormalizer() instead.
ArrayDenormalizer does not implement SerializerAwareInterface anymore.
The annotation classes cannot be constructed by passing an array of parameters as first argument anymore, use named arguments instead

TwigBundle

The twig service is now private.

Validator

Removed the allowEmptyString option from the Length constraint.

Before:

use Symfony\Component\Validator\Constraints as Assert;

/**
 * @Assert\Length(min=5, allowEmptyString=true)
 */

After:

use Symfony\Component\Validator\Constraints as Assert;

/**
 * @Assert\AtLeastOneOf({
 *     @Assert\Blank(),
 *     @Assert\Length(min=5)
 * })
 */

Removed the NumberConstraintTrait trait.
ValidatorBuilder::enableAnnotationMapping() does not accept a Doctrine annotation reader anymore.

Before:

$builder->enableAnnotationMapping($reader);

After:

$builder->enableAnnotationMapping(true)
    ->setDoctrineAnnotationReader($reader);

ValidatorBuilder::enableAnnotationMapping() won't automatically setup a Doctrine annotation reader anymore.

Before:

$builder->enableAnnotationMapping();

After:

$builder->enableAnnotationMapping(true)
    ->addDefaultDoctrineAnnotationReader();

Workflow

Remove InvalidTokenConfigurationException

Yaml

Added support for parsing numbers prefixed with 0o as octal numbers.
Removed support for parsing numbers starting with 0 as octal numbers. They will be parsed as strings. Prefix numbers with 0o so that they are parsed as octal numbers.

Before:
```
Yaml::parse('072');
```
After:
```
Yaml::parse('0o72');
```
Removed support for using the !php/object and !php/const tags without a value.

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UPGRADE FROM 5.x to 6.0

Asset

DoctrineBridge

Cache

Config

Console

DependencyInjection

DomCrawler

Dotenv

EventDispatcher

Finder

Form

FrameworkBundle

HttpFoundation

HttpKernel

Inflector

Lock

Mailer

Messenger

Mime

Monolog

Notifier

OptionsResolver

PhpUnitBridge

PropertyAccess

PropertyInfo

Routing

Security

SecurityBundle

Serializer

TwigBundle

Validator

Workflow

Yaml

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UPGRADE-6.0.md

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UPGRADE-6.0.md

File metadata and controls

UPGRADE FROM 5.x to 6.0

Asset

DoctrineBridge

Cache

Config

Console

DependencyInjection

DomCrawler

Dotenv

EventDispatcher

Finder

Form

FrameworkBundle

HttpFoundation

HttpKernel

Inflector

Lock

Mailer

Messenger

Mime

Monolog

Notifier

OptionsResolver

PhpUnitBridge

PropertyAccess

PropertyInfo

Routing

Security

SecurityBundle

Serializer

TwigBundle

Validator

Workflow

Yaml