changes to some of the files

Hi
I noticed changes to some of the files in the following:

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/AbstractRecursivePass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/AnalyzeServiceReferencesPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/AutoAliasServicePass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/AutowirePass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/AutowireRequiredMethodsPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/CheckArgumentsValidityPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/CheckCircularReferencesPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/CheckDefinitionValidityPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/CheckExceptionOnInvalidReferenceBehaviorPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/CheckReferenceValidityPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/Compiler.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/CompilerPassInterface.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/DecoratorServicePass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/DefinitionErrorExceptionPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ExtensionCompilerPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/InlineServiceDefinitionsPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/MergeExtensionConfigurationPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/PassConfig.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/PriorityTaggedServiceTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/RegisterEnvVarProcessorsPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/RegisterServiceSubscribersPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/RemoveAbstractDefinitionsPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/RemovePrivateAliasesPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/RemoveUnusedDefinitionsPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/RepeatablePassInterface.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/RepeatedPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ReplaceAliasByActualDefinitionPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ResolveBindingsPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ResolveChildDefinitionsPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ResolveClassPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ResolveEnvPlaceholdersPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ResolveFactoryClassPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ResolveHotPathPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ResolveInstanceofConditionalsPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ResolveInvalidReferencesPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ResolveNamedArgumentsPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ResolveParameterPlaceHoldersPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ResolvePrivatesPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ResolveReferencesToAliasesPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ResolveServiceSubscribersPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ResolveTaggedIteratorArgumentPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ServiceLocatorTagPass.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ServiceReferenceGraph.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ServiceReferenceGraphEdge.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Compiler/ServiceReferenceGraphNode.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Config/ContainerParametersResource.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Config/ContainerParametersResourceChecker.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Dumper/Dumper.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Dumper/DumperInterface.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Dumper/GraphvizDumper.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Dumper/PhpDumper.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Dumper/XmlDumper.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Dumper/YamlDumper.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Extension/ConfigurationExtensionInterface.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Extension/Extension.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Extension/ExtensionInterface.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Extension/PrependExtensionInterface.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/LazyProxy/Instantiator/InstantiatorInterface.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/LazyProxy/Instantiator/RealServiceInstantiator.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/LazyProxy/PhpDumper/DumperInterface.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/LazyProxy/PhpDumper/NullDumper.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/LazyProxy/ProxyHelper.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/ClosureLoader.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/AbstractConfigurator.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/AbstractServiceConfigurator.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/AliasConfigurator.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/ContainerConfigurator.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/DefaultsConfigurator.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/InlineServiceConfigurator.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/InstanceofConfigurator.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/ParametersConfigurator.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/PrototypeConfigurator.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/ReferenceConfigurator.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/ServiceConfigurator.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/ServicesConfigurator.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/AbstractTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/ArgumentTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/AutoconfigureTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/AutowireTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/BindTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/CallTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/ClassTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/ConfiguratorTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/DecorateTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/DeprecateTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/FactoryTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/FileTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/LazyTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/ParentTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/PropertyTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/PublicTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/ShareTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/SyntheticTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/Configurator/Traits/TagTrait.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/DirectoryLoader.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/FileLoader.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/GlobFileLoader.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/IniFileLoader.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/PhpFileLoader.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/XmlFileLoader.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/YamlFileLoader.php

* Modified plugin file: wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Loader/schema/dic/services/services-1.0.xsd

Did your plugin make those changes?
Because I never changed it
Thank you