UPGRADE FROM 4.4 to 5.0 ======================= BrowserKit ---------- * Removed `Client`, use `AbstractBrowser` instead * Removed the possibility to extend `Response` by making it final. * Removed `Response::buildHeader()` * Removed `Response::getStatus()`, use `Response::getStatusCode()` instead * The `Client::submit()` method has a new `$serverParameters` argument. Cache ----- * Removed `CacheItem::getPreviousTags()`, use `CacheItem::getMetadata()` instead. * Removed all PSR-16 adapters, use `Psr16Cache` or `Symfony\Contracts\Cache\CacheInterface` implementations instead. * Removed `SimpleCacheAdapter`, use `Psr16Adapter` instead. * Added argument `$prefix` to `AdapterInterface::clear()` Config ------ * Dropped support for constructing a `TreeBuilder` without passing root node information. * Added the `getChildNodeDefinitions()` method to `ParentNodeDefinitionInterface`. * The `Processor` class has been made final * Removed `FileLoaderLoadException`, use `LoaderLoadException` instead. * Using environment variables with `cannotBeEmpty()` if the value is validated with `validate()` will throw an exception. * Removed the `root()` method in `TreeBuilder`, pass the root node information to the constructor instead * The `FilerLoader::import()` method has a new `$exclude` argument. Console ------- * Removed support for finding hidden commands using an abbreviation, use the full name instead * Removed the `setCrossingChar()` method in favor of the `setDefaultCrossingChar()` method in `TableStyle`. * Removed the `setHorizontalBorderChar()` method in favor of the `setDefaultCrossingChars()` method in `TableStyle`. * Removed the `getHorizontalBorderChar()` method in favor of the `getBorderChars()` method in `TableStyle`. * Removed the `setVerticalBorderChar()` method in favor of the `setVerticalBorderChars()` method in `TableStyle`. * Removed the `getVerticalBorderChar()` method in favor of the `getBorderChars()` method in `TableStyle`. * Removed support for returning `null` from `Command::execute()`, return `0` instead * Renamed `Application::renderException()` and `Application::doRenderException()` to `renderThrowable()` and `doRenderThrowable()` respectively. * The `ProcessHelper::run()` method takes the command as an array of arguments. Before: ```php $processHelper->run($output, 'ls -l'); ``` After: ```php $processHelper->run($output, array('ls', '-l')); // alternatively, when a shell wrapper is required $processHelper->run($output, Process::fromShellCommandline('ls -l')); ``` Debug ----- * Removed the component in favor of the `ErrorHandler` component * Replace uses of `Symfony\Component\Debug\Debug` by `Symfony\Component\ErrorHandler\Debug` DependencyInjection ------------------- * Removed the `TypedReference::canBeAutoregistered()` and `TypedReference::getRequiringClass()` methods. * Removed support for auto-discovered extension configuration class which does not implement `ConfigurationInterface`. * Removed support for non-string default env() parameters Before: ```yaml parameters: env(NAME): 1.5 ``` After: ```yaml parameters: env(NAME): '1.5' ``` * Removed support for short factories and short configurators in Yaml Before: ```yaml services: my_service: factory: factory_service:method ``` After: ```yaml services: my_service: factory: ['@factory_service', method] ``` DoctrineBridge -------------- * Removed the possibility to inject `ClassMetadataFactory` in `DoctrineExtractor`, an instance of `EntityManagerInterface` should be injected instead * Passing an `IdReader` to the `DoctrineChoiceLoader` when the query cannot be optimized with single id field will throw an exception, pass `null` instead * Not passing an `IdReader` to the `DoctrineChoiceLoader` when the query can be optimized with single id field will not apply any optimization * The `RegistryInterface` has been removed. * Added a new `getMetadataDriverClass` method in `AbstractDoctrineExtension` to replace class parameters. DomCrawler ---------- * The `Crawler::children()` method has a new `$selector` argument. Dotenv ------ * First parameter `$usePutenv` of `Dotenv::__construct()` now default to `false`. EventDispatcher --------------- * The `TraceableEventDispatcherInterface` has been removed. * The signature of the `EventDispatcherInterface::dispatch()` method has been updated to `dispatch($event, string $eventName = null)` * The `Event` class has been removed, use `Symfony\Contracts\EventDispatcher\Event` instead Filesystem ---------- * The `Filesystem::isAbsolutePath()` method no longer supports `null` in the `$file` argument. * The `Filesystem::dumpFile()` method no longer supports arrays in the `$content` argument. * The `Filesystem::appendToFile()` method no longer supports arrays in the `$content` argument. Finder ------ * The `Finder::sortByName()` method has a new `$useNaturalSort` argument. Form ---- * Removed support for using different values for the "model_timezone" and "view_timezone" options of the `TimeType` without configuring a reference date. * Removed support for using `int` or `float` as data for the `NumberType` when the `input` option is set to `string`. * Removed support for using the `format` option of `DateType` and `DateTimeType` when the `html5` option is enabled. * Using names for buttons that do not start with a letter, a digit, or an underscore leads to an exception. * Using names for buttons that do not contain only letters, digits, underscores, hyphens, and colons leads to an exception. * Using the `date_format`, `date_widget`, and `time_widget` options of the `DateTimeType` when the `widget` option is set to `single_text` is not supported anymore. * The `getExtendedType()` method was removed from the `FormTypeExtensionInterface`. It is replaced by the the static `getExtendedTypes()` method which must return an iterable of extended types. Before: ```php class FooTypeExtension extends AbstractTypeExtension { public function getExtendedType() { return FormType::class; } // ... } ``` After: ```php class FooTypeExtension extends AbstractTypeExtension { public static function getExtendedTypes(): iterable { return array(FormType::class); } // ... } ``` * The `scale` option was removed from the `IntegerType`. * The `$scale` argument of the `IntegerToLocalizedStringTransformer` was removed. * Calling `FormRenderer::searchAndRenderBlock` for fields which were already rendered throws an exception instead of returning empty strings: Before: ```twig {% for field in fieldsWithPotentialDuplicates %} {{ form_widget(field) }} {% endfor %} ``` After: ```twig {% for field in fieldsWithPotentialDuplicates if not field.rendered %} {{ form_widget(field) }} {% endfor %} ``` * The `regions` option was removed from the `TimezoneType`. * Added support for PHPUnit 8. A `void` return-type was added to the `FormIntegrationTestCase::setUp()`, `TypeTestCase::setUp()` and `TypeTestCase::tearDown()` methods. FrameworkBundle --------------- * Calling `WebTestCase::createClient()` while a kernel has been booted now throws an exception, ensure the kernel is shut down before calling the method * Removed the `framework.templating` option, configure the Twig bundle instead. * The project dir argument of the constructor of `AssetsInstallCommand` is required. * Removed support for `bundle:controller:action` syntax to reference controllers. Use `serviceOrFqcn::method` instead where `serviceOrFqcn` is either the service ID when using controllers as services or the FQCN of the controller. Before: ```yml bundle_controller: path: / defaults: _controller: FrameworkBundle:Redirect:redirect ``` After: ```yml bundle_controller: path: / defaults: _controller: Symfony\Bundle\FrameworkBundle\Controller\RedirectController::redirectAction ``` * Removed `Symfony\Bundle\FrameworkBundle\Controller\ControllerNameParser`. * Warming up a router in `RouterCacheWarmer` that does not implement the `WarmableInterface` is not supported anymore. * The `RequestDataCollector` class has been removed. Use the `Symfony\Component\HttpKernel\DataCollector\RequestDataCollector` class instead. * Removed `Symfony\Bundle\FrameworkBundle\Controller\Controller`. Use `Symfony\Bundle\FrameworkBundle\Controller\AbstractController` instead. * Added support for the SameSite attribute for session cookies. It is highly recommended to set this setting (`framework.session.cookie_samesite`) to `lax` for increased security against CSRF attacks. * The `ContainerAwareCommand` class has been removed, use `Symfony\Component\Console\Command\Command` with dependency injection instead. * The `Templating\Helper\TranslatorHelper::transChoice()` method has been removed, use the `trans()` one instead with a `%count%` parameter. * Removed support for legacy translations directories `src/Resources/translations/` and `src/Resources//translations/`, use `translations/` instead. * Support for the legacy directory structure in `translation:update` and `debug:translation` commands has been removed. * Removed the `Psr\SimpleCache\CacheInterface` / `cache.app.simple` service, use `Symfony\Contracts\Cache\CacheInterface` / `cache.app` instead. * Removed support for `templating` engine in `TemplateController`, use Twig instead * Removed `ResolveControllerNameSubscriber`. * Removed `routing.loader.service`. * Added support for PHPUnit 8. A `void` return-type was added to the `KernelTestCase::tearDown()` and `WebTestCase::tearDown()` method. * Removed the `lock.store.flock`, `lock.store.semaphore`, `lock.store.memcached.abstract` and `lock.store.redis.abstract` services. * Removed the `router.cache_class_prefix` parameter. HttpClient ---------- * Added method `cancel()` to `ResponseInterface` * The `$parser` argument of `ControllerResolver::__construct()` and `DelegatingLoader::__construct()` has been removed. * The `ControllerResolver` and `DelegatingLoader` classes have been made `final`. * The `controller_name_converter` and `resolve_controller_name_subscriber` services have been removed. HttpFoundation -------------- * The `$size` argument of the `UploadedFile` constructor has been removed. * The `getClientSize()` method of the `UploadedFile` class has been removed. * The `getSession()` method of the `Request` class throws an exception when session is null. * The default value of the `$secure` and `$samesite` arguments of Cookie's constructor changed respectively from "false" to "null" and from "null" to "lax". * The `MimeTypeGuesserInterface` and `ExtensionGuesserInterface` interfaces have been removed, use `Symfony\Component\Mime\MimeTypesInterface` instead. * The `MimeType` and `MimeTypeExtensionGuesser` classes have been removed, use `Symfony\Component\Mime\MimeTypes` instead. * The `FileBinaryMimeTypeGuesser` class has been removed, use `Symfony\Component\Mime\FileBinaryMimeTypeGuesser` instead. * The `FileinfoMimeTypeGuesser` class has been removed, use `Symfony\Component\Mime\FileinfoMimeTypeGuesser` instead. * `ApacheRequest` has been removed, use the `Request` class instead. * The third argument of the `HeaderBag::get()` method has been removed, use method `all()` instead. * Getting the container from a non-booted kernel is not possible anymore. * [BC BREAK] `PdoSessionHandler` with MySQL changed the type of the lifetime column, make sure to run `ALTER TABLE sessions MODIFY sess_lifetime INTEGER UNSIGNED NOT NULL` to update your database. HttpKernel ---------- * Removed `Client`, use `HttpKernelBrowser` instead * The `Kernel::getRootDir()` and the `kernel.root_dir` parameter have been removed * The `KernelInterface::getName()` and the `kernel.name` parameter have been removed * Removed the first and second constructor argument of `ConfigDataCollector` * Removed `ConfigDataCollector::getApplicationName()` * Removed `ConfigDataCollector::getApplicationVersion()` * Removed `FilterControllerArgumentsEvent`, use `ControllerArgumentsEvent` instead * Removed `FilterControllerEvent`, use `ControllerEvent` instead * Removed `FilterResponseEvent`, use `ResponseEvent` instead * Removed `GetResponseEvent`, use `RequestEvent` instead * Removed `GetResponseForControllerResultEvent`, use `ViewEvent` instead * Removed `GetResponseForExceptionEvent`, use `ExceptionEvent` instead * Removed `PostResponseEvent`, use `TerminateEvent` instead * Removed `TranslatorListener` in favor of `LocaleAwareListener` * The `DebugHandlersListener` class has been made `final` * Removed `SaveSessionListener` in favor of `AbstractSessionListener` * Removed methods `ExceptionEvent::get/setException()`, use `get/setThrowable()` instead * Removed class `ExceptionListener`, use `ErrorListener` instead * Added new Bundle directory convention consistent with standard skeletons: ``` └── MyBundle/ ├── config/ ├── public/ ├── src/ │ └── MyBundle.php ├── templates/ └── translations/ ``` To make this work properly, it is necessary to change the root path of the bundle: ```php class MyBundle extends Bundle { public function getPath(): string { return \dirname(__DIR__); } } ``` As many bundles must be compatible with a range of Symfony versions, the current directory convention is not deprecated yet, but it will be in the future. * Removed the second and third argument of `KernelInterface::locateResource` * Removed the second and third argument of `FileLocator::__construct` * Removed loading resources from `%kernel.root_dir%/Resources` and `%kernel.root_dir%` as fallback directories. Intl ---- * Removed `ResourceBundle` namespace * Removed `Intl::getLanguageBundle()`, use `Languages` or `Scripts` instead * Removed `Intl::getCurrencyBundle()`, use `Currencies` instead * Removed `Intl::getLocaleBundle()`, use `Locales` instead * Removed `Intl::getRegionBundle()`, use `Countries` instead Lock ---- * Removed `Symfony\Component\Lock\StoreInterface` in favor of `Symfony\Component\Lock\BlockingStoreInterface` and `Symfony\Component\Lock\PersistingStoreInterface`. * Removed `Factory`, use `LockFactory` instead Messenger --------- * The `LoggingMiddleware` class has been removed, pass a logger to `SendMessageMiddleware` instead. * Passing a `ContainerInterface` instance as first argument of the `ConsumeMessagesCommand` constructor now throws as `\TypeError`, pass a `RoutableMessageBus` instance instead. Monolog ------- * The methods `DebugProcessor::getLogs()`, `DebugProcessor::countErrors()`, `Logger::getLogs()` and `Logger::countErrors()` have a new `$request` argument. MonologBridge -------------- * The `RouteProcessor` class is final. Process ------- * Removed the `Process::inheritEnvironmentVariables()` method: env variables are always inherited. * Removed the `Process::setCommandline()` and the `PhpProcess::setPhpBinary()` methods. * Commands must be defined as arrays when creating a `Process` instance. Before: ```php $process = new Process('ls -l'); ``` After: ```php $process = new Process(array('ls', '-l')); // alternatively, when a shell wrapper is required $process = Process::fromShellCommandline('ls -l'); ``` PropertyAccess -------------- * Removed support of passing `null` as 2nd argument of `PropertyAccessor::createCache()` method (`$defaultLifetime`), pass `0` instead. Routing ------- * The `generator_base_class`, `generator_cache_class`, `matcher_base_class`, and `matcher_cache_class` router options have been removed. If you are using multiple Router instances and need separate caches for them, set a unique `cache_dir` per Router instance instead. * `Serializable` implementing methods for `Route` and `CompiledRoute` are final. Instead of overwriting them, use `__serialize` and `__unserialize` as extension points which are forward compatible with the new serialization methods in PHP 7.4. * Removed `ServiceRouterLoader` and `ObjectRouteLoader`. * Service route loaders must be tagged with `routing.route_loader`. * The `RoutingConfigurator::import()` method has a new optional `$exclude` argument. Security -------- * Dropped support for passing more than one attribute to `AccessDecisionManager::decide()` and `AuthorizationChecker::isGranted()` (and indirectly the `is_granted()` Twig and ExpressionLanguage function): **Before** ```php if ($this->authorizationChecker->isGranted(['ROLE_USER', 'ROLE_ADMIN'])) { // ... } ``` **After** ```php if ($this->authorizationChecker->isGranted(new Expression("is_granted('ROLE_USER') or is_granted('ROLE_ADMIN')"))) {} // or: if ($this->authorizationChecker->isGranted('ROLE_USER') || $this->authorizationChecker->isGranted('ROLE_ADMIN') ) {} ``` * The `LdapUserProvider` class has been removed, use `Symfony\Component\Ldap\Security\LdapUserProvider` instead. * Implementations of `PasswordEncoderInterface` and `UserPasswordEncoderInterface` must have a new `needsRehash()` method * The `Role` and `SwitchUserRole` classes have been removed. * The `getReachableRoles()` method of the `RoleHierarchy` class has been removed. It has been replaced by the new `getReachableRoleNames()` method. * The `getRoles()` method has been removed from the `TokenInterface`. It has been replaced by the new `getRoleNames()` method. * The `ContextListener::setLogoutOnUserChange()` method has been removed. * The `Symfony\Component\Security\Core\User\AdvancedUserInterface` has been removed. * The `ExpressionVoter::addExpressionLanguageProvider()` method has been removed. * The `FirewallMapInterface::getListeners()` method must return an array of 3 elements, the 3rd one must be either a `LogoutListener` instance or `null`. * The `AuthenticationTrustResolver` constructor arguments have been removed. * A user object that is not an instance of `UserInterface` cannot be accessed from `Security::getUser()` anymore and returns `null` instead. * `SimpleAuthenticatorInterface`, `SimpleFormAuthenticatorInterface`, `SimplePreAuthenticatorInterface`, `SimpleAuthenticationProvider`, `SimpleAuthenticationHandler`, `SimpleFormAuthenticationListener` and `SimplePreAuthenticationListener` have been removed. Use Guard instead. * The `ListenerInterface` has been removed, extend `AbstractListener` instead. * The `Firewall::handleRequest()` method has been removed, use `Firewall::callListeners()` instead. * `\Serializable` interface has been removed from `AbstractToken` and `AuthenticationException`, thus `serialize()` and `unserialize()` aren't available. Use `__serialize()` and `__unserialize()` instead. Before: ```php public function serialize() { return [$this->myLocalVar, parent::serialize()]; } public function unserialize($serialized) { [$this->myLocalVar, $parentSerialized] = unserialize($serialized); parent::unserialize($parentSerialized); } ``` After: ```php public function __serialize(): array { return [$this->myLocalVar, parent::__serialize()]; } public function __unserialize(array $data): void { [$this->myLocalVar, $parentData] = $data; parent::__unserialize($parentData); } ``` * The `Argon2iPasswordEncoder` class has been removed, use `SodiumPasswordEncoder` instead. * The `BCryptPasswordEncoder` class has been removed, use `NativePasswordEncoder` instead. * Classes implementing the `TokenInterface` must implement the two new methods `__serialize` and `__unserialize` * Implementations of `Guard\AuthenticatorInterface::checkCredentials()` must return a boolean value now. Please explicitly return `false` to indicate invalid credentials. * Removed the `has_role()` function from security expressions, use `is_granted()` instead. SecurityBundle -------------- * The `logout_on_user_change` firewall option has been removed. * The `switch_user.stateless` firewall option has been removed. * The `SecurityUserValueResolver` class has been removed. * Passing a `FirewallConfig` instance as 3rd argument to the `FirewallContext` constructor now throws a `\TypeError`, pass a `LogoutListener` instance instead. * The `security.authentication.trust_resolver.anonymous_class` parameter has been removed. * The `security.authentication.trust_resolver.rememberme_class` parameter has been removed. * The `simple_form` and `simple_preauth` authentication listeners have been removed, use Guard instead. * The `SimpleFormFactory` and `SimplePreAuthenticationFactory` classes have been removed, use Guard instead. * The names of the cookies configured in the `logout.delete_cookies` option are no longer normalized. If any of your cookie names has dashes they won't be changed to underscores. Before: `my-cookie` deleted the `my_cookie` cookie (with an underscore). After: `my-cookie` deletes the `my-cookie` cookie (with a dash). * Removed the `security.user.provider.in_memory.user` service. Serializer ---------- * The default value of the `CsvEncoder` "as_collection" option was changed to `true`. * Individual encoders & normalizers options as constructor arguments were removed. Use the default context instead. * The following method and properties: - `AbstractNormalizer::$circularReferenceLimit` - `AbstractNormalizer::$circularReferenceHandler` - `AbstractNormalizer::$callbacks` - `AbstractNormalizer::$ignoredAttributes` - `AbstractNormalizer::$camelizedAttributes` - `AbstractNormalizer::setCircularReferenceLimit()` - `AbstractNormalizer::setCircularReferenceHandler()` - `AbstractNormalizer::setCallbacks()` - `AbstractNormalizer::setIgnoredAttributes()` - `AbstractObjectNormalizer::$maxDepthHandler` - `AbstractObjectNormalizer::setMaxDepthHandler()` - `XmlEncoder::setRootNodeName()` - `XmlEncoder::getRootNodeName()` were removed, use the default context instead. * The `AbstractNormalizer::handleCircularReference()` method has two new `$format` and `$context` arguments. * Removed support for instantiating a `DataUriNormalizer` with a default MIME type guesser when the `symfony/mime` component isn't installed. Serializer ---------- * Removed the `XmlEncoder::TYPE_CASE_ATTRIBUTES` constant. Use `XmlEncoder::TYPE_CAST_ATTRIBUTES` instead. Stopwatch --------- * Removed support for passing `null` as 1st (`$id`) argument of `Section::get()` method, pass a valid child section identifier instead. Translation ----------- * Support for using `null` as the locale in `Translator` has been removed. * The `FileDumper::setBackup()` method has been removed. * The `TranslationWriter::disableBackup()` method has been removed. * The `TranslatorInterface` has been removed in favor of `Symfony\Contracts\Translation\TranslatorInterface` * The `MessageSelector`, `Interval` and `PluralizationRules` classes have been removed, use `IdentityTranslator` instead * The `Translator::getFallbackLocales()` and `TranslationDataCollector::getFallbackLocales()` method are now internal * The `Translator::transChoice()` method has been removed in favor of using `Translator::trans()` with "%count%" as the parameter driving plurals * Removed support for implicit STDIN usage in the `lint:xliff` command, use `lint:xliff -` (append a dash) instead to make it explicit. TwigBundle ---------- * The default value (`false`) of the `twig.strict_variables` configuration option has been changed to `%kernel.debug%`. * The `transchoice` tag and filter have been removed, use the `trans` ones instead with a `%count%` parameter. * Removed support for legacy templates directories `src/Resources/views/` and `src/Resources//views/`, use `templates/` and `templates/bundles//` instead. * The `twig.exception_controller` configuration option has been removed, use `framework.error_controller` instead. * Removed `ExceptionController`, `PreviewErrorController` classes and all built-in error templates TwigBridge ---------- * Removed argument `$rootDir` from the `DebugCommand::__construct()` method and the 5th argument must be an instance of `FileLinkFormatter` * Removed the `$requestStack` and `$requestContext` arguments of the `HttpFoundationExtension`, pass a `Symfony\Component\HttpFoundation\UrlHelper` instance as the only argument instead * Removed support for implicit STDIN usage in the `lint:twig` command, use `lint:twig -` (append a dash) instead to make it explicit. Validator -------- * Removed support for non-string codes of a `ConstraintViolation`. A `string` type-hint was added to the constructor of the `ConstraintViolation` class and to the `ConstraintViolationBuilder::setCode()` method. * An `ExpressionLanguage` instance or null must be passed as the first argument of `ExpressionValidator::__construct()` * The `checkMX` and `checkHost` options of the `Email` constraint were removed * The `Email::__construct()` 'strict' property has been removed. Use 'mode'=>"strict" instead. * Calling `EmailValidator::__construct()` method with a boolean parameter has been removed, use `EmailValidator("strict")` instead. * Removed the `checkDNS` and `dnsMessage` options from the `Url` constraint. * The component is now decoupled from `symfony/translation` and uses `Symfony\Contracts\Translation\TranslatorInterface` instead * The `ValidatorBuilderInterface` has been removed * Removed support for validating instances of `\DateTimeInterface` in `DateTimeValidator`, `DateValidator` and `TimeValidator`. Use `Type` instead or remove the constraint if the underlying model is type hinted to `\DateTimeInterface` already. * The `symfony/intl` component is now required for using the `Bic`, `Country`, `Currency`, `Language` and `Locale` constraints * The `egulias/email-validator` component is now required for using the `Email` constraint in strict mode * The `symfony/expression-language` component is now required for using the `Expression` constraint * Changed the default value of `Length::$allowEmptyString` to `false` and made it optional * Added support for PHPUnit 8. A `void` return-type was added to the `ConstraintValidatorTestCase::setUp()` and `ConstraintValidatorTestCase::tearDown()` methods. * The `Symfony\Component\Validator\Mapping\Cache\CacheInterface` and all its implementations have been removed. * The `ValidatorBuilder::setMetadataCache` has been removed, use `ValidatorBuilder::setMappingCache` instead. WebProfilerBundle ----------------- * Removed the `ExceptionController::templateExists()` method * Removed the `TemplateManager::templateExists()` method Workflow -------- * The `DefinitionBuilder::reset()` method has been removed, use the `clear()` one instead. * `add` method has been removed use `addWorkflow` method in `Workflow\Registry` instead. * `SupportStrategyInterface` has been removed, use `WorkflowSupportStrategyInterface` instead. * `ClassInstanceSupportStrategy` has been removed, use `InstanceOfSupportStrategy` instead. * `WorkflowInterface::apply()` has a third argument: `array $context = []`. * `MarkingStoreInterface::setMarking()` has a third argument: `array $context = []`. * Removed support of `initial_place`. Use `initial_marking` instead. * `MultipleStateMarkingStore` has been removed. Use `MethodMarkingStore` instead. * `DefinitionBuilder::setInitialPlace()` has been removed, use `DefinitionBuilder::setInitialPlaces()` instead. Before: ```yaml framework: workflows: type: workflow article: marking_store: type: multiple arguments: states ``` After: ```yaml framework: workflows: type: workflow article: marking_store: property: states ``` * `SingleStateMarkingStore` has been removed. Use `MethodMarkingStore` instead. Before: ```yaml framework: workflows: article: marking_store: arguments: state ``` After: ```yaml framework: workflows: article: marking_store: property: state ``` * Support for using a workflow with a single state marking is dropped. Use a state machine instead. Before: ```yaml framework: workflows: article: type: workflow marking_store: type: single_state ``` After: ```yaml framework: workflows: article: type: state_machine ``` Yaml ---- * The parser is now stricter and will throw a `ParseException` when a mapping is found inside a multi-line string. * Removed support for implicit STDIN usage in the `lint:yaml` command, use `lint:yaml -` (append a dash) instead to make it explicit. WebProfilerBundle ----------------- * Removed the `ExceptionController` class, use `ExceptionErrorController` instead. WebServerBundle --------------- * The bundle has been deprecated and can be installed separately. You may also use the Symfony Local Web Server instead.