Symfony 4.4.9

What's new in this version:

- [Security] Fixed AbstractToken::hasUserChanged()
- [Validator] never directly validate Existence (Required/Optional) constraints
- [Console] Fix QuestionHelper::disableStty()
- [Form] validate subforms in all validation groups
- Fixes sprintf(): Too few arguments in form transformer
- [Validator] Use Mime component to determine mime type for file validator
- Add meaningful message when using ProcessHelper and Process is not installed
- [TwigBridge] fix fallback html-to-txt body converter
- [ErrorHandler] fix setting $trace to null in FatalError
- Handle fetch mode deprecation of DBAL 2.11.
- [Security] Fixed handling of CSRF logout error
- [Mime] Allow email message to have "To", "Cc", or "Bcc" header to be valid
- Parse and render anonymous classes correctly on php 8
- [OptionsResolver][Serializer] Remove calls to deprecated ReflectionParameter::getClass()
- [VarDumper] fix PHP 8 support
- [Cache] Accessing undefined constants raises an Error in php8
- Address deprecation of ReflectionType::getClass()
- [VarDumper] ReflectionFunction::isDisabled() is deprecated
- [Validator] Catch expected ValueError
- [DomCrawler] Catch expected ValueError
- [Cache][HttpClient] Made method signatures compatible with their corresponding traits
- [DomCrawler] Catch expected ValueError
- [PropertyAccess] Parse php 8 TypeErrors correctly
- [BrowserKit] Raw body with custom Content-Type header
- [Config] Removed implicit cast of ReflectionProperty to string
- [Security/Core] Fix wrong roles comparison
- [PhpUnitBridge] fix installing under PHP >= 8
- [HttpKernel] Fix that the Store would not save responses with the X-Content-Digest header present
- [PhpUnitBridge] fix bad detection of unsilenced deprecations
- [Security] Unserialize $parentData, if needed, to avoid errors
- [HttpKernel] Fix error logger when stderr is redirected to /dev/null
- [HttpKernel] Bring back the debug toolbar
- [BrowserKit] Allow Referer set by history to be overridden
- [HttpClient] fix PHP warning + accept status code >= 600
- [Security/Core] fix compat of NativePasswordEncoder with pre-PHP74 values of PASSWORD_* consts
- [DependencyInjection] Fix register event listeners compiler pass
- Change priority of KernelEvents::RESPONSE subscriber
- [Serializer] fix issue with PHP 8
- [WebProfiler] Remove 'none' when appending CSP tokens
- [Yaml] Fix escaped quotes in quoted multi-line string
- [TwigBundle] FormExtension does not have a constructor anymore since sf 4.0
- [Mime] handle passing custom mime types as string
- Queue name is a required parameter
- [Mime] fix bad method call on EmailAddressContains
- [Console] don't check tty on stdin, it breaks with "data lost during stream conversion"
- [PhpUnitBridge] Mark parent class also covered in CoverageListener
- [Yaml] prevent notice for invalid octal numbers on PHP 7.4
- [Console] Default hidden question to 1 attempt for non-tty session
- [Filesystem] Handle paths on different drives
- [WebProfiler] Do not add src-elem CSP directives if they do not exist
- [DX] Show the ParseException message in all YAML file loaders
- [Yaml] fix parse error when unindented collections contain a comment
- [Validator] Skip validation when email is an empty object
- [PhpUnitBridge] fix PHP 5.3 compat again
- [Translation] Fix for translation:update command updating ICU messages
- [Validator] fix lazy property usage
- [Serializer] do not transform empty \Traversable to Array
- [Cache] Fixed not supported Redis eviction policies
- [PhpUnitBridge] fix compat with PHP 5.3