diff --git a/src/Symfony/Bundle/DebugBundle/DependencyInjection/Configuration.php b/src/Symfony/Bundle/DebugBundle/DependencyInjection/Configuration.php
index e3a724cd24..3ed12fc3f6 100644
--- a/src/Symfony/Bundle/DebugBundle/DependencyInjection/Configuration.php
+++ b/src/Symfony/Bundle/DebugBundle/DependencyInjection/Configuration.php
@@ -13,7 +13,6 @@ namespace Symfony\Bundle\DebugBundle\DependencyInjection;
 
 use Symfony\Component\Config\Definition\Builder\TreeBuilder;
 use Symfony\Component\Config\Definition\ConfigurationInterface;
-use Symfony\Component\VarDumper\Dumper\HtmlDumper;
 
 /**
  * DebugExtension configuration structure.
@@ -51,21 +50,13 @@ class Configuration implements ConfigurationInterface
                     ->example('php://stderr, or tcp://%env(VAR_DUMPER_SERVER)% when using the "server:dump" command')
                     ->defaultNull()
                 ->end()
-            ->end()
-        ;
-
-        if (method_exists(HtmlDumper::class, 'setTheme')) {
-            $rootNode
-                ->children()
-                    ->enumNode('theme')
-                        ->info('Changes the color of the dump() output when rendered directly on the templating. "dark" (default) or "light"')
-                        ->example('dark')
-                        ->values(['dark', 'light'])
-                        ->defaultValue('dark')
-                    ->end()
+                ->enumNode('theme')
+                    ->info('Changes the color of the dump() output when rendered directly on the templating. "dark" (default) or "light"')
+                    ->example('dark')
+                    ->values(['dark', 'light'])
+                    ->defaultValue('dark')
                 ->end()
             ;
-        }
 
         return $treeBuilder;
     }
diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
index a2bb4d8e26..ee44ac7d56 100644
--- a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
+++ b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
@@ -21,6 +21,7 @@ use Symfony\Component\Config\Definition\Builder\NodeBuilder;
 use Symfony\Component\Config\Definition\Builder\TreeBuilder;
 use Symfony\Component\Config\Definition\ConfigurationInterface;
 use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Exception\LogicException;
 use Symfony\Component\Form\Form;
 use Symfony\Component\HttpClient\HttpClient;
@@ -30,6 +31,7 @@ use Symfony\Component\Lock\Store\SemaphoreStore;
 use Symfony\Component\Mailer\Mailer;
 use Symfony\Component\Messenger\MessageBusInterface;
 use Symfony\Component\Notifier\Notifier;
+use Symfony\Component\PropertyAccess\PropertyAccessor;
 use Symfony\Component\PropertyInfo\PropertyInfoExtractorInterface;
 use Symfony\Component\RateLimiter\Policy\TokenBucketLimiter;
 use Symfony\Component\Serializer\Serializer;
@@ -108,8 +110,19 @@ class Configuration implements ConfigurationInterface
             ->end()
         ;
 
+        $willBeAvailable = static function (string $package, string $class, string $parentPackage = null) {
+            $parentPackages = (array) $parentPackage;
+            $parentPackages[] = 'symfony/framework-bundle';
+
+            return ContainerBuilder::willBeAvailable($package, $class, $parentPackages);
+        };
+
+        $enableIfStandalone = static function (string $package, string $class) use ($willBeAvailable) {
+            return !class_exists(FullStack::class) && $willBeAvailable($package, $class) ? 'canBeDisabled' : 'canBeEnabled';
+        };
+
         $this->addCsrfSection($rootNode);
-        $this->addFormSection($rootNode);
+        $this->addFormSection($rootNode, $enableIfStandalone);
         $this->addHttpCacheSection($rootNode);
         $this->addEsiSection($rootNode);
         $this->addSsiSection($rootNode);
@@ -119,25 +132,25 @@ class Configuration implements ConfigurationInterface
         $this->addRouterSection($rootNode);
         $this->addSessionSection($rootNode);
         $this->addRequestSection($rootNode);
-        $this->addAssetsSection($rootNode);
-        $this->addTranslatorSection($rootNode);
-        $this->addValidationSection($rootNode);
-        $this->addAnnotationsSection($rootNode);
-        $this->addSerializerSection($rootNode);
-        $this->addPropertyAccessSection($rootNode);
-        $this->addPropertyInfoSection($rootNode);
-        $this->addCacheSection($rootNode);
+        $this->addAssetsSection($rootNode, $enableIfStandalone);
+        $this->addTranslatorSection($rootNode, $enableIfStandalone);
+        $this->addValidationSection($rootNode, $enableIfStandalone, $willBeAvailable);
+        $this->addAnnotationsSection($rootNode, $willBeAvailable);
+        $this->addSerializerSection($rootNode, $enableIfStandalone, $willBeAvailable);
+        $this->addPropertyAccessSection($rootNode, $willBeAvailable);
+        $this->addPropertyInfoSection($rootNode, $enableIfStandalone);
+        $this->addCacheSection($rootNode, $willBeAvailable);
         $this->addPhpErrorsSection($rootNode);
-        $this->addWebLinkSection($rootNode);
-        $this->addLockSection($rootNode);
-        $this->addMessengerSection($rootNode);
+        $this->addWebLinkSection($rootNode, $enableIfStandalone);
+        $this->addLockSection($rootNode, $enableIfStandalone);
+        $this->addMessengerSection($rootNode, $enableIfStandalone);
         $this->addRobotsIndexSection($rootNode);
-        $this->addHttpClientSection($rootNode);
-        $this->addMailerSection($rootNode);
+        $this->addHttpClientSection($rootNode, $enableIfStandalone);
+        $this->addMailerSection($rootNode, $enableIfStandalone);
         $this->addSecretsSection($rootNode);
-        $this->addNotifierSection($rootNode);
-        $this->addRateLimiterSection($rootNode);
-        $this->addUidSection($rootNode);
+        $this->addNotifierSection($rootNode, $enableIfStandalone);
+        $this->addRateLimiterSection($rootNode, $enableIfStandalone);
+        $this->addUidSection($rootNode, $enableIfStandalone);
 
         return $treeBuilder;
     }
@@ -176,13 +189,13 @@ class Configuration implements ConfigurationInterface
         ;
     }
 
-    private function addFormSection(ArrayNodeDefinition $rootNode)
+    private function addFormSection(ArrayNodeDefinition $rootNode, callable $enableIfStandalone)
     {
         $rootNode
             ->children()
                 ->arrayNode('form')
                     ->info('form configuration')
-                    ->{!class_exists(FullStack::class) && class_exists(Form::class) ? 'canBeDisabled' : 'canBeEnabled'}()
+                    ->{$enableIfStandalone('symfony/form', Form::class)}()
                     ->children()
                         ->arrayNode('csrf_protection')
                             ->treatFalseLike(['enabled' => false])
@@ -675,13 +688,13 @@ class Configuration implements ConfigurationInterface
         ;
     }
 
-    private function addAssetsSection(ArrayNodeDefinition $rootNode)
+    private function addAssetsSection(ArrayNodeDefinition $rootNode, callable $enableIfStandalone)
     {
         $rootNode
             ->children()
                 ->arrayNode('assets')
                     ->info('assets configuration')
-                    ->{!class_exists(FullStack::class) && class_exists(Package::class) ? 'canBeDisabled' : 'canBeEnabled'}()
+                    ->{$enableIfStandalone('symfony/asset', Package::class)}()
                     ->fixXmlConfig('base_url')
                     ->children()
                         ->scalarNode('version_strategy')->defaultNull()->end()
@@ -763,13 +776,13 @@ class Configuration implements ConfigurationInterface
         ;
     }
 
-    private function addTranslatorSection(ArrayNodeDefinition $rootNode)
+    private function addTranslatorSection(ArrayNodeDefinition $rootNode, callable $enableIfStandalone)
     {
         $rootNode
             ->children()
                 ->arrayNode('translator')
                     ->info('translator configuration')
-                    ->{!class_exists(FullStack::class) && class_exists(Translator::class) ? 'canBeDisabled' : 'canBeEnabled'}()
+                    ->{$enableIfStandalone('symfony/translation', Translator::class)}()
                     ->fixXmlConfig('fallback')
                     ->fixXmlConfig('path')
                     ->fixXmlConfig('enabled_locale')
@@ -816,16 +829,16 @@ class Configuration implements ConfigurationInterface
         ;
     }
 
-    private function addValidationSection(ArrayNodeDefinition $rootNode)
+    private function addValidationSection(ArrayNodeDefinition $rootNode, callable $enableIfStandalone, callable $willBeAvailable)
     {
         $rootNode
             ->children()
                 ->arrayNode('validation')
                     ->info('validation configuration')
-                    ->{!class_exists(FullStack::class) && class_exists(Validation::class) ? 'canBeDisabled' : 'canBeEnabled'}()
+                    ->{$enableIfStandalone('symfony/validator', Validation::class)}()
                     ->children()
                         ->scalarNode('cache')->end()
-                        ->booleanNode('enable_annotations')->{!class_exists(FullStack::class) && class_exists(Annotation::class) ? 'defaultTrue' : 'defaultFalse'}()->end()
+                        ->booleanNode('enable_annotations')->{!class_exists(FullStack::class) && $willBeAvailable('doctrine/annotations', Annotation::class, 'symfony/validator') ? 'defaultTrue' : 'defaultFalse'}()->end()
                         ->arrayNode('static_method')
                             ->defaultValue(['loadValidatorMetadata'])
                             ->prototype('scalar')->end()
@@ -906,15 +919,15 @@ class Configuration implements ConfigurationInterface
         ;
     }
 
-    private function addAnnotationsSection(ArrayNodeDefinition $rootNode)
+    private function addAnnotationsSection(ArrayNodeDefinition $rootNode, callable $willBeAvailable)
     {
         $rootNode
             ->children()
                 ->arrayNode('annotations')
                     ->info('annotation configuration')
-                    ->{class_exists(Annotation::class) ? 'canBeDisabled' : 'canBeEnabled'}()
+                    ->{$willBeAvailable('doctrine/annotations', Annotation::class) ? 'canBeDisabled' : 'canBeEnabled'}()
                     ->children()
-                        ->scalarNode('cache')->defaultValue(interface_exists(Cache::class) ? 'php_array' : 'none')->end()
+                        ->scalarNode('cache')->defaultValue($willBeAvailable('doctrine/cache', Cache::class, 'doctrine/annotation') ? 'php_array' : 'none')->end()
                         ->scalarNode('file_cache_dir')->defaultValue('%kernel.cache_dir%/annotations')->end()
                         ->booleanNode('debug')->defaultValue($this->debug)->end()
                     ->end()
@@ -923,15 +936,15 @@ class Configuration implements ConfigurationInterface
         ;
     }
 
-    private function addSerializerSection(ArrayNodeDefinition $rootNode)
+    private function addSerializerSection(ArrayNodeDefinition $rootNode, callable $enableIfStandalone, $willBeAvailable)
     {
         $rootNode
             ->children()
                 ->arrayNode('serializer')
                     ->info('serializer configuration')
-                    ->{!class_exists(FullStack::class) && class_exists(Serializer::class) ? 'canBeDisabled' : 'canBeEnabled'}()
+                    ->{$enableIfStandalone('symfony/serializer', Serializer::class)}()
                     ->children()
-                        ->booleanNode('enable_annotations')->{!class_exists(FullStack::class) && class_exists(Annotation::class) ? 'defaultTrue' : 'defaultFalse'}()->end()
+                        ->booleanNode('enable_annotations')->{!class_exists(FullStack::class) && $willBeAvailable('doctrine/annotations', Annotation::class, 'symfony/serializer') ? 'defaultTrue' : 'defaultFalse'}()->end()
                         ->scalarNode('name_converter')->end()
                         ->scalarNode('circular_reference_handler')->end()
                         ->scalarNode('max_depth_handler')->end()
@@ -950,13 +963,14 @@ class Configuration implements ConfigurationInterface
         ;
     }
 
-    private function addPropertyAccessSection(ArrayNodeDefinition $rootNode)
+    private function addPropertyAccessSection(ArrayNodeDefinition $rootNode, callable $willBeAvailable)
     {
         $rootNode
             ->children()
                 ->arrayNode('property_access')
                     ->addDefaultsIfNotSet()
                     ->info('Property access configuration')
+                    ->{$willBeAvailable('symfony/property-access', PropertyAccessor::class) ? 'canBeDisabled' : 'canBeEnabled'}()
                     ->children()
                         ->booleanNode('magic_call')->defaultFalse()->end()
                         ->booleanNode('magic_get')->defaultTrue()->end()
@@ -969,19 +983,19 @@ class Configuration implements ConfigurationInterface
         ;
     }
 
-    private function addPropertyInfoSection(ArrayNodeDefinition $rootNode)
+    private function addPropertyInfoSection(ArrayNodeDefinition $rootNode, callable $enableIfStandalone)
     {
         $rootNode
             ->children()
                 ->arrayNode('property_info')
                     ->info('Property info configuration')
-                    ->{!class_exists(FullStack::class) && interface_exists(PropertyInfoExtractorInterface::class) ? 'canBeDisabled' : 'canBeEnabled'}()
+                    ->{$enableIfStandalone('symfony/property-info', PropertyInfoExtractorInterface::class)}()
                 ->end()
             ->end()
         ;
     }
 
-    private function addCacheSection(ArrayNodeDefinition $rootNode)
+    private function addCacheSection(ArrayNodeDefinition $rootNode, callable $willBeAvailable)
     {
         $rootNode
             ->children()
@@ -1008,7 +1022,7 @@ class Configuration implements ConfigurationInterface
                         ->scalarNode('default_psr6_provider')->end()
                         ->scalarNode('default_redis_provider')->defaultValue('redis://localhost')->end()
                         ->scalarNode('default_memcached_provider')->defaultValue('memcached://localhost')->end()
-                        ->scalarNode('default_pdo_provider')->defaultValue(class_exists(Connection::class) ? 'database_connection' : null)->end()
+                        ->scalarNode('default_pdo_provider')->defaultValue($willBeAvailable('doctrine/dbal', Connection::class) ? 'database_connection' : null)->end()
                         ->arrayNode('pools')
                             ->useAttributeAsKey('name')
                             ->prototype('array')
@@ -1117,13 +1131,13 @@ class Configuration implements ConfigurationInterface
         ;
     }
 
-    private function addLockSection(ArrayNodeDefinition $rootNode)
+    private function addLockSection(ArrayNodeDefinition $rootNode, callable $enableIfStandalone)
     {
         $rootNode
             ->children()
                 ->arrayNode('lock')
                     ->info('Lock configuration')
-                    ->{!class_exists(FullStack::class) && class_exists(Lock::class) ? 'canBeDisabled' : 'canBeEnabled'}()
+                    ->{$enableIfStandalone('symfony/lock', Lock::class)}()
                     ->beforeNormalization()
                         ->ifString()->then(function ($v) { return ['enabled' => true, 'resources' => $v]; })
                     ->end()
@@ -1179,25 +1193,25 @@ class Configuration implements ConfigurationInterface
         ;
     }
 
-    private function addWebLinkSection(ArrayNodeDefinition $rootNode)
+    private function addWebLinkSection(ArrayNodeDefinition $rootNode, callable $enableIfStandalone)
     {
         $rootNode
             ->children()
                 ->arrayNode('web_link')
                     ->info('web links configuration')
-                    ->{!class_exists(FullStack::class) && class_exists(HttpHeaderSerializer::class) ? 'canBeDisabled' : 'canBeEnabled'}()
+                    ->{$enableIfStandalone('symfony/weblink', HttpHeaderSerializer::class)}()
                 ->end()
             ->end()
         ;
     }
 
-    private function addMessengerSection(ArrayNodeDefinition $rootNode)
+    private function addMessengerSection(ArrayNodeDefinition $rootNode, callable $enableIfStandalone)
     {
         $rootNode
             ->children()
                 ->arrayNode('messenger')
                     ->info('Messenger configuration')
-                    ->{!class_exists(FullStack::class) && interface_exists(MessageBusInterface::class) ? 'canBeDisabled' : 'canBeEnabled'}()
+                    ->{$enableIfStandalone('symfony/messenger', MessageBusInterface::class)}()
                     ->fixXmlConfig('transport')
                     ->fixXmlConfig('bus', 'buses')
                     ->validate()
@@ -1392,13 +1406,13 @@ class Configuration implements ConfigurationInterface
         ;
     }
 
-    private function addHttpClientSection(ArrayNodeDefinition $rootNode)
+    private function addHttpClientSection(ArrayNodeDefinition $rootNode, callable $enableIfStandalone)
     {
         $rootNode
             ->children()
                 ->arrayNode('http_client')
                     ->info('HTTP Client configuration')
-                    ->{!class_exists(FullStack::class) && class_exists(HttpClient::class) ? 'canBeDisabled' : 'canBeEnabled'}()
+                    ->{$enableIfStandalone('symfony/http-client', HttpClient::class)}()
                     ->fixXmlConfig('scoped_client')
                     ->beforeNormalization()
                         ->always(function ($config) {
@@ -1728,13 +1742,13 @@ class Configuration implements ConfigurationInterface
             ;
     }
 
-    private function addMailerSection(ArrayNodeDefinition $rootNode)
+    private function addMailerSection(ArrayNodeDefinition $rootNode, callable $enableIfStandalone)
     {
         $rootNode
             ->children()
                 ->arrayNode('mailer')
                     ->info('Mailer configuration')
-                    ->{!class_exists(FullStack::class) && class_exists(Mailer::class) ? 'canBeDisabled' : 'canBeEnabled'}()
+                    ->{$enableIfStandalone('symfony/mailer', Mailer::class)}()
                     ->validate()
                         ->ifTrue(function ($v) { return isset($v['dsn']) && \count($v['transports']); })
                         ->thenInvalid('"dsn" and "transports" cannot be used together.')
@@ -1784,13 +1798,13 @@ class Configuration implements ConfigurationInterface
         ;
     }
 
-    private function addNotifierSection(ArrayNodeDefinition $rootNode)
+    private function addNotifierSection(ArrayNodeDefinition $rootNode, callable $enableIfStandalone)
     {
         $rootNode
             ->children()
                 ->arrayNode('notifier')
                     ->info('Notifier configuration')
-                    ->{!class_exists(FullStack::class) && class_exists(Notifier::class) ? 'canBeDisabled' : 'canBeEnabled'}()
+                    ->{$enableIfStandalone('symfony/notifier', Notifier::class)}()
                     ->fixXmlConfig('chatter_transport')
                     ->children()
                         ->arrayNode('chatter_transports')
@@ -1833,13 +1847,13 @@ class Configuration implements ConfigurationInterface
         ;
     }
 
-    private function addRateLimiterSection(ArrayNodeDefinition $rootNode)
+    private function addRateLimiterSection(ArrayNodeDefinition $rootNode, callable $enableIfStandalone)
     {
         $rootNode
             ->children()
                 ->arrayNode('rate_limiter')
                     ->info('Rate limiter configuration')
-                    ->{!class_exists(FullStack::class) && class_exists(TokenBucketLimiter::class) ? 'canBeDisabled' : 'canBeEnabled'}()
+                    ->{$enableIfStandalone('symfony/rate-limiter', TokenBucketLimiter::class)}()
                     ->fixXmlConfig('limiter')
                     ->beforeNormalization()
                         ->ifTrue(function ($v) { return \is_array($v) && !isset($v['limiters']) && !isset($v['limiter']); })
@@ -1901,13 +1915,13 @@ class Configuration implements ConfigurationInterface
         ;
     }
 
-    private function addUidSection(ArrayNodeDefinition $rootNode)
+    private function addUidSection(ArrayNodeDefinition $rootNode, callable $enableIfStandalone)
     {
         $rootNode
             ->children()
                 ->arrayNode('uid')
                     ->info('Uid configuration')
-                    ->{class_exists(UuidFactory::class) ? 'canBeDisabled' : 'canBeEnabled'}()
+                    ->{$enableIfStandalone('symfony/uid', UuidFactory::class)}()
                     ->addDefaultsIfNotSet()
                     ->children()
                         ->enumNode('default_uuid_version')
diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
index 158e5291ab..57a1d05793 100644
--- a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
+++ b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
@@ -14,6 +14,7 @@ namespace Symfony\Bundle\FrameworkBundle\DependencyInjection;
 use Doctrine\Common\Annotations\AnnotationRegistry;
 use Doctrine\Common\Annotations\Reader;
 use Http\Client\HttpClient;
+use phpDocumentor\Reflection\DocBlockFactoryInterface;
 use Psr\Cache\CacheItemPoolInterface;
 use Psr\Container\ContainerInterface as PsrContainerInterface;
 use Psr\EventDispatcher\EventDispatcherInterface as PsrEventDispatcherInterface;
@@ -63,6 +64,7 @@ use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
 use Symfony\Component\Finder\Finder;
 use Symfony\Component\Form\ChoiceList\Factory\CachingFactoryDecorator;
+use Symfony\Component\Form\Form;
 use Symfony\Component\Form\FormTypeExtensionInterface;
 use Symfony\Component\Form\FormTypeGuesserInterface;
 use Symfony\Component\Form\FormTypeInterface;
@@ -149,6 +151,7 @@ use Symfony\Component\RateLimiter\RateLimiterFactory;
 use Symfony\Component\RateLimiter\Storage\CacheStorage;
 use Symfony\Component\Routing\Loader\AnnotationDirectoryLoader;
 use Symfony\Component\Routing\Loader\AnnotationFileLoader;
+use Symfony\Component\Security\Core\Exception\AuthenticationException;
 use Symfony\Component\Security\Core\Security;
 use Symfony\Component\Security\Csrf\CsrfTokenManagerInterface;
 use Symfony\Component\Serializer\Encoder\DecoderInterface;
@@ -167,6 +170,7 @@ use Symfony\Component\Uid\UuidV4;
 use Symfony\Component\Validator\ConstraintValidatorInterface;
 use Symfony\Component\Validator\Mapping\Loader\PropertyInfoLoader;
 use Symfony\Component\Validator\ObjectInitializerInterface;
+use Symfony\Component\Validator\Validation;
 use Symfony\Component\WebLink\HttpHeaderSerializer;
 use Symfony\Component\Workflow;
 use Symfony\Component\Workflow\WorkflowInterface;
@@ -200,6 +204,7 @@ class FrameworkExtension extends Extension
     private $mailerConfigEnabled = false;
     private $httpClientConfigEnabled = false;
     private $notifierConfigEnabled = false;
+    private $propertyAccessConfigEnabled = false;
     private $lockConfigEnabled = false;
 
     /**
@@ -216,7 +221,7 @@ class FrameworkExtension extends Extension
         $loader->load('fragment_renderer.php');
         $loader->load('error_renderer.php');
 
-        if (interface_exists(PsrEventDispatcherInterface::class)) {
+        if (ContainerBuilder::willBeAvailable('psr/event-dispatcher', PsrEventDispatcherInterface::class, ['symfony/framework-bundle'])) {
             $container->setAlias(PsrEventDispatcherInterface::class, 'event_dispatcher');
         }
 
@@ -256,11 +261,11 @@ class FrameworkExtension extends Extension
         }
 
         // If the slugger is used but the String component is not available, we should throw an error
-        if (!interface_exists(SluggerInterface::class)) {
+        if (!ContainerBuilder::willBeAvailable('symfony/string', SluggerInterface::class, ['symfony/framework-bundle'])) {
             $container->register('slugger', 'stdClass')
                 ->addError('You cannot use the "slugger" service since the String component is not installed. Try running "composer require symfony/string".');
         } else {
-            if (!interface_exists(LocaleAwareInterface::class)) {
+            if (!ContainerBuilder::willBeAvailable('symfony/translation', LocaleAwareInterface::class, ['symfony/framework-bundle'])) {
                 $container->register('slugger', 'stdClass')
                     ->addError('You cannot use the "slugger" service since the Translation contracts are not installed. Try running "composer require symfony/translation".');
             }
@@ -329,19 +334,19 @@ class FrameworkExtension extends Extension
         }
 
         if (null === $config['csrf_protection']['enabled']) {
-            $config['csrf_protection']['enabled'] = $this->sessionConfigEnabled && !class_exists(FullStack::class) && interface_exists(CsrfTokenManagerInterface::class);
+            $config['csrf_protection']['enabled'] = $this->sessionConfigEnabled && !class_exists(FullStack::class) && ContainerBuilder::willBeAvailable('symfony/security-csrf', CsrfTokenManagerInterface::class, ['symfony/framework-bundle']);
         }
         $this->registerSecurityCsrfConfiguration($config['csrf_protection'], $container, $loader);
 
         if ($this->isConfigEnabled($container, $config['form'])) {
-            if (!class_exists(\Symfony\Component\Form\Form::class)) {
+            if (!class_exists(Form::class)) {
                 throw new LogicException('Form support cannot be enabled as the Form component is not installed. Try running "composer require symfony/form".');
             }
 
             $this->formConfigEnabled = true;
             $this->registerFormConfiguration($config, $container, $loader);
 
-            if (class_exists(\Symfony\Component\Validator\Validation::class)) {
+            if (ContainerBuilder::willBeAvailable('symfony/validator', Validation::class, ['symfony/framework-bundle', 'symfony/form'])) {
                 $config['validation']['enabled'] = true;
             } else {
                 $container->setParameter('validator.translation_domain', 'validators');
@@ -469,7 +474,7 @@ class FrameworkExtension extends Extension
             'Symfony\\Bundle\\FrameworkBundle\\Controller\\AbstractController',
         ]);
 
-        if (class_exists(MimeTypes::class)) {
+        if (ContainerBuilder::willBeAvailable('symfony/mime', MimeTypes::class, ['symfony/framework-bundle'])) {
             $loader->load('mime_type.php');
         }
 
@@ -602,7 +607,7 @@ class FrameworkExtension extends Extension
             $container->setParameter('form.type_extension.csrf.enabled', false);
         }
 
-        if (!class_exists(Translator::class)) {
+        if (!ContainerBuilder::willBeAvailable('symfony/translation', Translator::class, ['symfony/framework-bundle', 'symfony/form'])) {
             $container->removeDefinition('form.type_extension.upload.validator');
         }
         if (!method_exists(CachingFactoryDecorator::class, 'reset')) {
@@ -986,7 +991,7 @@ class FrameworkExtension extends Extension
             $container->getDefinition('routing.loader')->replaceArgument(2, ['_locale' => $enabledLocales]);
         }
 
-        if (!class_exists(ExpressionLanguage::class)) {
+        if (!ContainerBuilder::willBeAvailable('symfony/expression-language', ExpressionLanguage::class, ['symfony/framework-bundle', 'symfony/routing'])) {
             $container->removeDefinition('router.expression_language_provider');
         }
 
@@ -1225,18 +1230,18 @@ class FrameworkExtension extends Extension
         $dirs = [];
         $transPaths = [];
         $nonExistingDirs = [];
-        if (class_exists(\Symfony\Component\Validator\Validation::class)) {
-            $r = new \ReflectionClass(\Symfony\Component\Validator\Validation::class);
+        if (ContainerBuilder::willBeAvailable('symfony/validator', Validation::class, ['symfony/framework-bundle', 'symfony/translation'])) {
+            $r = new \ReflectionClass(Validation::class);
 
             $dirs[] = $transPaths[] = \dirname($r->getFileName()).'/Resources/translations';
         }
-        if (class_exists(\Symfony\Component\Form\Form::class)) {
-            $r = new \ReflectionClass(\Symfony\Component\Form\Form::class);
+        if (ContainerBuilder::willBeAvailable('symfony/form', Form::class, ['symfony/framework-bundle', 'symfony/translation'])) {
+            $r = new \ReflectionClass(Form::class);
 
             $dirs[] = $transPaths[] = \dirname($r->getFileName()).'/Resources/translations';
         }
-        if (class_exists(\Symfony\Component\Security\Core\Exception\AuthenticationException::class)) {
-            $r = new \ReflectionClass(\Symfony\Component\Security\Core\Exception\AuthenticationException::class);
+        if (ContainerBuilder::willBeAvailable('symfony/security-core', AuthenticationException::class, ['symfony/framework-bundle', 'symfony/translation'])) {
+            $r = new \ReflectionClass(AuthenticationException::class);
 
             $dirs[] = $transPaths[] = \dirname($r->getFileName(), 2).'/Resources/translations';
         }
@@ -1336,7 +1341,7 @@ class FrameworkExtension extends Extension
             return;
         }
 
-        if (!class_exists(\Symfony\Component\Validator\Validation::class)) {
+        if (!class_exists(Validation::class)) {
             throw new LogicException('Validation support cannot be enabled as the Validator component is not installed. Try running "composer require symfony/validator".');
         }
 
@@ -1403,8 +1408,8 @@ class FrameworkExtension extends Extension
             $files['yaml' === $extension ? 'yml' : $extension][] = $path;
         };
 
-        if (interface_exists(\Symfony\Component\Form\FormInterface::class)) {
-            $reflClass = new \ReflectionClass(\Symfony\Component\Form\FormInterface::class);
+        if (ContainerBuilder::willBeAvailable('symfony/form', Form::class, ['symfony/framework-bundle', 'symfony/validator'])) {
+            $reflClass = new \ReflectionClass(Form::class);
             $fileRecorder('xml', \dirname($reflClass->getFileName()).'/Resources/config/validation.xml');
         }
 
@@ -1466,7 +1471,7 @@ class FrameworkExtension extends Extension
         }
 
         if (!class_exists(\Doctrine\Common\Annotations\Annotation::class)) {
-            throw new LogicException('Annotations cannot be enabled as the Doctrine Annotation library is not installed.');
+            throw new LogicException('Annotations cannot be enabled as the Doctrine Annotation library is not installed. Try running "composer require doctrine/annotations".');
         }
 
         $loader->load('annotations.php');
@@ -1478,7 +1483,7 @@ class FrameworkExtension extends Extension
 
         if ('none' !== $config['cache']) {
             if (!class_exists(\Doctrine\Common\Cache\CacheProvider::class)) {
-                throw new LogicException('Annotations cannot be enabled as the Doctrine Cache library is not installed.');
+                throw new LogicException('Annotations cannot be cached as the Doctrine Cache library is not installed. Try running "composer require doctrine/cache".');
             }
 
             $cacheService = $config['cache'];
@@ -1521,7 +1526,7 @@ class FrameworkExtension extends Extension
 
     private function registerPropertyAccessConfiguration(array $config, ContainerBuilder $container, PhpFileLoader $loader)
     {
-        if (!class_exists(PropertyAccessor::class)) {
+        if (!$this->propertyAccessConfigEnabled = $this->isConfigEnabled($container, $config)) {
             return;
         }
 
@@ -1570,7 +1575,7 @@ class FrameworkExtension extends Extension
                 throw new InvalidArgumentException(sprintf('Invalid value "%s" set as "decryption_env_var": only "word" characters are allowed.', $config['decryption_env_var']));
             }
 
-            if (class_exists(LazyString::class)) {
+            if (ContainerBuilder::willBeAvailable('symfony/string', LazyString::class, ['symfony/framework-bundle'])) {
                 $container->getDefinition('secrets.decryption_key')->replaceArgument(1, $config['decryption_env_var']);
             } else {
                 $container->getDefinition('secrets.vault')->replaceArgument(1, "%env({$config['decryption_env_var']})%");
@@ -1610,7 +1615,7 @@ class FrameworkExtension extends Extension
 
         $chainLoader = $container->getDefinition('serializer.mapping.chain_loader');
 
-        if (!class_exists(PropertyAccessor::class)) {
+        if (!$this->propertyAccessConfigEnabled) {
             $container->removeAlias('serializer.property_accessor');
             $container->removeDefinition('serializer.normalizer.object');
         }
@@ -1619,7 +1624,7 @@ class FrameworkExtension extends Extension
             $container->removeDefinition('serializer.encoder.yaml');
         }
 
-        if (!class_exists(UnwrappingDenormalizer::class) || !class_exists(PropertyAccessor::class)) {
+        if (!class_exists(UnwrappingDenormalizer::class) || !$this->propertyAccessConfigEnabled) {
             $container->removeDefinition('serializer.denormalizer.unwrapping');
         }
 
@@ -1703,7 +1708,7 @@ class FrameworkExtension extends Extension
 
         $loader->load('property_info.php');
 
-        if (interface_exists(\phpDocumentor\Reflection\DocBlockFactoryInterface::class)) {
+        if (ContainerBuilder::willBeAvailable('phpdocumentor/reflection-docblock', DocBlockFactoryInterface::class, ['symfony/framework-bundle', 'symfony/property-info'])) {
             $definition = $container->register('property_info.php_doc_extractor', 'Symfony\Component\PropertyInfo\Extractor\PhpDocExtractor');
             $definition->addTag('property_info.description_extractor', ['priority' => -1000]);
             $definition->addTag('property_info.type_extractor', ['priority' => -1001]);
@@ -1784,19 +1789,19 @@ class FrameworkExtension extends Extension
 
         $loader->load('messenger.php');
 
-        if (class_exists(AmqpTransportFactory::class)) {
+        if (ContainerBuilder::willBeAvailable('symfony/amqp-messenger', AmqpTransportFactory::class, ['symfony/framework-bundle', 'symfony/messenger'])) {
             $container->getDefinition('messenger.transport.amqp.factory')->addTag('messenger.transport_factory');
         }
 
-        if (class_exists(RedisTransportFactory::class)) {
+        if (ContainerBuilder::willBeAvailable('symfony/redis-messenger', RedisTransportFactory::class, ['symfony/framework-bundle', 'symfony/messenger'])) {
             $container->getDefinition('messenger.transport.redis.factory')->addTag('messenger.transport_factory');
         }
 
-        if (class_exists(AmazonSqsTransportFactory::class)) {
+        if (ContainerBuilder::willBeAvailable('symfony/amazon-sqs-messenger', AmazonSqsTransportFactory::class, ['symfony/framework-bundle', 'symfony/messenger'])) {
             $container->getDefinition('messenger.transport.sqs.factory')->addTag('messenger.transport_factory');
         }
 
-        if (class_exists(BeanstalkdTransportFactory::class)) {
+        if (ContainerBuilder::willBeAvailable('symfony/beanstalkd-messenger', BeanstalkdTransportFactory::class, ['symfony/framework-bundle', 'symfony/messenger'])) {
             $container->getDefinition('messenger.transport.beanstalkd.factory')->addTag('messenger.transport_factory');
         }
 
@@ -2070,12 +2075,12 @@ class FrameworkExtension extends Extension
         unset($options['retry_failed']);
         $container->getDefinition('http_client')->setArguments([$options, $config['max_host_connections'] ?? 6]);
 
-        if (!$hasPsr18 = interface_exists(ClientInterface::class)) {
+        if (!$hasPsr18 = ContainerBuilder::willBeAvailable('psr/http-client', ClientInterface::class, ['symfony/framework-bundle', 'symfony/http-client'])) {
             $container->removeDefinition('psr18.http_client');
             $container->removeAlias(ClientInterface::class);
         }
 
-        if (!interface_exists(HttpClient::class)) {
+        if (!ContainerBuilder::willBeAvailable('php-http/httplug', HttpClient::class, ['symfony/framework-bundle', 'symfony/http-client'])) {
             $container->removeDefinition(HttpClient::class);
         }
 
@@ -2205,7 +2210,9 @@ class FrameworkExtension extends Extension
         ];
 
         foreach ($classToServices as $class => $service) {
-            if (!class_exists($class)) {
+            $package = substr($service, \strlen('mailer.transport_factory.'));
+
+            if (!ContainerBuilder::willBeAvailable(sprintf('symfony/%s-mailer', 'gmail' === $package ? 'google' : $package), $class, ['symfony/framework-bundle', 'symfony/mailer'])) {
                 $container->removeDefinition($service);
             }
         }
@@ -2302,16 +2309,26 @@ class FrameworkExtension extends Extension
             ClickatellTransportFactory::class => 'notifier.transport_factory.clickatell',
         ];
 
+        $parentPackages = ['symfony/framework-bundle', 'symfony/notifier'];
+
         foreach ($classToServices as $class => $service) {
-            if (!class_exists($class)) {
+            switch ($package = substr($service, \strlen('notifier.transport_factory.'))) {
+                case 'freemobile': $package = 'free-mobile'; break;
+                case 'googlechat': $package = 'google-chat'; break;
+                case 'linkedin': $package = 'linked-in'; break;
+                case 'ovhcloud': $package = 'ovh-cloud'; break;
+                case 'rocketchat': $package = 'rocket-chat'; break;
+            }
+
+            if (!ContainerBuilder::willBeAvailable(sprintf('symfony/%s-notifier', $package), $class, $parentPackages)) {
                 $container->removeDefinition($service);
             }
         }
 
-        if (class_exists(MercureTransportFactory::class) && class_exists(MercureBundle::class)) {
+        if (ContainerBuilder::willBeAvailable('symfony/mercure-notifier', MercureTransportFactory::class, $parentPackages) && ContainerBuilder::willBeAvailable('symfony/mercure-bundle', MercureBundle::class, $parentPackages)) {
             $container->getDefinition($classToServices[MercureTransportFactory::class])
                 ->replaceArgument('$publisherLocator', new ServiceLocatorArgument(new TaggedIteratorArgument('mercure.publisher', null, null, true)));
-        } elseif (class_exists(MercureTransportFactory::class)) {
+        } elseif (ContainerBuilder::willBeAvailable('symfony/mercure-notifier', MercureTransportFactory::class, $parentPackages)) {
             $container->removeDefinition($classToServices[MercureTransportFactory::class]);
         }
 
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/ConfigurationTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/ConfigurationTest.php
index bab22e1d23..20e8720eb3 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/ConfigurationTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/ConfigurationTest.php
@@ -443,6 +443,7 @@ class ConfigurationTest extends TestCase
                 'mapping' => ['paths' => []],
             ],
             'property_access' => [
+                'enabled' => true,
                 'magic_call' => false,
                 'magic_get' => true,
                 'magic_set' => true,
@@ -566,7 +567,7 @@ class ConfigurationTest extends TestCase
                 'limiters' => [],
             ],
             'uid' => [
-                'enabled' => class_exists(UuidFactory::class),
+                'enabled' => !class_exists(FullStack::class) && class_exists(UuidFactory::class),
                 'default_uuid_version' => 6,
                 'name_based_uuid_version' => 5,
                 'time_based_uuid_version' => 6,
diff --git a/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php b/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
index 5c782a25bf..23b20c1aed 100644
--- a/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
+++ b/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Bundle\SecurityBundle\DependencyInjection;
 
+use Symfony\Bridge\Twig\Extension\LogoutUrlExtension;
 use Symfony\Bundle\SecurityBundle\DependencyInjection\Security\Factory\AuthenticatorFactoryInterface;
 use Symfony\Bundle\SecurityBundle\DependencyInjection\Security\Factory\FirewallListenerFactoryInterface;
 use Symfony\Bundle\SecurityBundle\DependencyInjection\Security\Factory\RememberMeFactory;
@@ -31,6 +32,7 @@ use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;
 use Symfony\Component\DependencyInjection\Loader\PhpFileLoader;
 use Symfony\Component\DependencyInjection\Reference;
 use Symfony\Component\EventDispatcher\EventDispatcher;
+use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
 use Symfony\Component\HttpKernel\DependencyInjection\Extension;
 use Symfony\Component\PasswordHasher\Hasher\NativePasswordHasher;
 use Symfony\Component\PasswordHasher\Hasher\Pbkdf2PasswordHasher;
@@ -42,7 +44,6 @@ use Symfony\Component\Security\Core\Encoder\SodiumPasswordEncoder;
 use Symfony\Component\Security\Core\User\ChainUserProvider;
 use Symfony\Component\Security\Core\User\UserProviderInterface;
 use Symfony\Component\Security\Http\Event\CheckPassportEvent;
-use Twig\Extension\AbstractExtension;
 
 /**
  * SecurityExtension.
@@ -130,7 +131,7 @@ class SecurityExtension extends Extension implements PrependExtensionInterface
             $loader->load('security_legacy.php');
         }
 
-        if (class_exists(AbstractExtension::class)) {
+        if ($container::willBeAvailable('symfony/twig-bridge', LogoutUrlExtension::class, ['symfony/security-bundle'])) {
             $loader->load('templating_twig.php');
         }
 
@@ -141,7 +142,7 @@ class SecurityExtension extends Extension implements PrependExtensionInterface
             $loader->load('security_debug.php');
         }
 
-        if (!class_exists(\Symfony\Component\ExpressionLanguage\ExpressionLanguage::class)) {
+        if (!$container::willBeAvailable('symfony/expression-language', ExpressionLanguage::class, ['symfony/security-bundle'])) {
             $container->removeDefinition('security.expression_language');
             $container->removeDefinition('security.access.expression_voter');
         }
@@ -982,8 +983,8 @@ class SecurityExtension extends Extension implements PrependExtensionInterface
             return $this->expressions[$id];
         }
 
-        if (!class_exists(\Symfony\Component\ExpressionLanguage\ExpressionLanguage::class)) {
-            throw new \RuntimeException('Unable to use expressions as the Symfony ExpressionLanguage component is not installed.');
+        if (!$container::willBeAvailable('symfony/expression-language', ExpressionLanguage::class, ['symfony/security-bundle'])) {
+            throw new \RuntimeException('Unable to use expressions as the Symfony ExpressionLanguage component is not installed. Try running "composer require symfony/expression-language".');
         }
 
         $container
diff --git a/src/Symfony/Bundle/SecurityBundle/composer.json b/src/Symfony/Bundle/SecurityBundle/composer.json
index 82b2399602..05688dd016 100644
--- a/src/Symfony/Bundle/SecurityBundle/composer.json
+++ b/src/Symfony/Bundle/SecurityBundle/composer.json
@@ -19,7 +19,7 @@
         "php": ">=7.2.5",
         "ext-xml": "*",
         "symfony/config": "^4.4|^5.0",
-        "symfony/dependency-injection": "^5.2",
+        "symfony/dependency-injection": "^5.3",
         "symfony/deprecation-contracts": "^2.1",
         "symfony/event-dispatcher": "^5.1",
         "symfony/http-kernel": "^5.0",
diff --git a/src/Symfony/Bundle/TwigBundle/DependencyInjection/Compiler/ExtensionPass.php b/src/Symfony/Bundle/TwigBundle/DependencyInjection/Compiler/ExtensionPass.php
index eb6eecc95f..ae3f9df3be 100644
--- a/src/Symfony/Bundle/TwigBundle/DependencyInjection/Compiler/ExtensionPass.php
+++ b/src/Symfony/Bundle/TwigBundle/DependencyInjection/Compiler/ExtensionPass.php
@@ -11,10 +11,14 @@
 
 namespace Symfony\Bundle\TwigBundle\DependencyInjection\Compiler;
 
+use Symfony\Component\Asset\Packages;
 use Symfony\Component\DependencyInjection\Alias;
 use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\ExpressionLanguage\Expression;
+use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 use Symfony\Component\Workflow\Workflow;
+use Symfony\Component\Yaml\Yaml;
 
 /**
  * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
@@ -23,19 +27,19 @@ class ExtensionPass implements CompilerPassInterface
 {
     public function process(ContainerBuilder $container)
     {
-        if (!class_exists(\Symfony\Component\Asset\Packages::class)) {
+        if (!$container::willBeAvailable('symfony/asset', Packages::class, ['symfony/twig-bundle'])) {
             $container->removeDefinition('twig.extension.assets');
         }
 
-        if (!class_exists(\Symfony\Component\ExpressionLanguage\Expression::class)) {
+        if (!$container::willBeAvailable('symfony/expression-language', Expression::class, ['symfony/twig-bundle'])) {
             $container->removeDefinition('twig.extension.expression');
         }
 
-        if (!interface_exists(\Symfony\Component\Routing\Generator\UrlGeneratorInterface::class)) {
+        if (!$container::willBeAvailable('symfony/routing', UrlGeneratorInterface::class, ['symfony/twig-bundle'])) {
             $container->removeDefinition('twig.extension.routing');
         }
 
-        if (!class_exists(\Symfony\Component\Yaml\Yaml::class)) {
+        if (!$container::willBeAvailable('symfony/yaml', Yaml::class, ['symfony/twig-bundle'])) {
             $container->removeDefinition('twig.extension.yaml');
         }
 
@@ -111,7 +115,7 @@ class ExtensionPass implements CompilerPassInterface
             $container->getDefinition('twig.extension.expression')->addTag('twig.extension');
         }
 
-        if (!class_exists(Workflow::class) || !$container->has('workflow.registry')) {
+        if (!$container::willBeAvailable('symfony/workflow', Workflow::class, ['symfony/twig-bundle']) || !$container->has('workflow.registry')) {
             $container->removeDefinition('workflow.twig_extension');
         } else {
             $container->getDefinition('workflow.twig_extension')->addTag('twig.extension');
diff --git a/src/Symfony/Bundle/TwigBundle/DependencyInjection/TwigExtension.php b/src/Symfony/Bundle/TwigBundle/DependencyInjection/TwigExtension.php
index 5ccc9a1a04..20095eb45a 100644
--- a/src/Symfony/Bundle/TwigBundle/DependencyInjection/TwigExtension.php
+++ b/src/Symfony/Bundle/TwigBundle/DependencyInjection/TwigExtension.php
@@ -17,6 +17,7 @@ use Symfony\Component\Console\Application;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Loader\PhpFileLoader;
 use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\Form\Form;
 use Symfony\Component\HttpKernel\DependencyInjection\Extension;
 use Symfony\Component\Mailer\Mailer;
 use Symfony\Component\Translation\Translator;
@@ -37,19 +38,19 @@ class TwigExtension extends Extension
         $loader = new PhpFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
         $loader->load('twig.php');
 
-        if (class_exists(\Symfony\Component\Form\Form::class)) {
+        if ($container::willBeAvailable('symfony/form', Form::class, ['symfony/twig-bundle'])) {
             $loader->load('form.php');
         }
 
-        if (class_exists(Application::class)) {
+        if ($container::willBeAvailable('symfony/console', Application::class, ['symfony/twig-bundle'])) {
             $loader->load('console.php');
         }
 
-        if (class_exists(Mailer::class)) {
+        if ($container::willBeAvailable('symfony/mailer', Mailer::class, ['symfony/twig-bundle'])) {
             $loader->load('mailer.php');
         }
 
-        if (!class_exists(Translator::class)) {
+        if (!$container::willBeAvailable('symfony/translation', Translator::class, ['symfony/twig-bundle'])) {
             $container->removeDefinition('twig.translation.extractor');
         }
 
diff --git a/src/Symfony/Bundle/TwigBundle/composer.json b/src/Symfony/Bundle/TwigBundle/composer.json
index 7c5c15fbce..6bc5bf6179 100644
--- a/src/Symfony/Bundle/TwigBundle/composer.json
+++ b/src/Symfony/Bundle/TwigBundle/composer.json
@@ -27,7 +27,7 @@
     "require-dev": {
         "symfony/asset": "^4.4|^5.0",
         "symfony/stopwatch": "^4.4|^5.0",
-        "symfony/dependency-injection": "^5.2",
+        "symfony/dependency-injection": "^5.3",
         "symfony/expression-language": "^4.4|^5.0",
         "symfony/finder": "^4.4|^5.0",
         "symfony/form": "^4.4|^5.0",
@@ -40,7 +40,7 @@
         "doctrine/cache": "~1.0"
     },
     "conflict": {
-        "symfony/dependency-injection": "<5.2",
+        "symfony/dependency-injection": "<5.3",
         "symfony/framework-bundle": "<5.0",
         "symfony/translation": "<5.0"
     },
diff --git a/src/Symfony/Component/DependencyInjection/CHANGELOG.md b/src/Symfony/Component/DependencyInjection/CHANGELOG.md
index c08e7cb75d..1e45c669e8 100644
--- a/src/Symfony/Component/DependencyInjection/CHANGELOG.md
+++ b/src/Symfony/Component/DependencyInjection/CHANGELOG.md
@@ -9,6 +9,7 @@ CHANGELOG
  * Add support for loading autoconfiguration rules via the `#[Autoconfigure]` and `#[AutoconfigureTag]` attributes on PHP 8
  * Add autoconfigurable attributes
  * Add support for per-env configuration in loaders
+ * Add `ContainerBuilder::willBeAvailable()` to help with conditional configuration
 
 5.2.0
 -----
diff --git a/src/Symfony/Component/DependencyInjection/Compiler/AbstractRecursivePass.php b/src/Symfony/Component/DependencyInjection/Compiler/AbstractRecursivePass.php
index 85478da5e9..4881e4fe10 100644
--- a/src/Symfony/Component/DependencyInjection/Compiler/AbstractRecursivePass.php
+++ b/src/Symfony/Component/DependencyInjection/Compiler/AbstractRecursivePass.php
@@ -198,7 +198,7 @@ abstract class AbstractRecursivePass implements CompilerPassInterface
     {
         if (null === $this->expressionLanguage) {
             if (!class_exists(ExpressionLanguage::class)) {
-                throw new LogicException('Unable to use expressions as the Symfony ExpressionLanguage component is not installed.');
+                throw new LogicException('Unable to use expressions as the Symfony ExpressionLanguage component is not installed. Try running "composer require symfony/expression-language".');
             }
 
             $providers = $this->container->getExpressionLanguageProviders();
diff --git a/src/Symfony/Component/DependencyInjection/ContainerBuilder.php b/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
index a3be650343..6c266bae0a 100644
--- a/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
+++ b/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\DependencyInjection;
 
+use Composer\InstalledVersions;
 use Psr\Container\ContainerInterface as PsrContainerInterface;
 use Symfony\Component\Config\Resource\ClassExistenceResource;
 use Symfony\Component\Config\Resource\ComposerResource;
@@ -1467,6 +1468,34 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
         $this->getCompiler()->log($pass, $this->resolveEnvPlaceholders($message));
     }
 
+    /**
+     * Checks whether a class is available and will remain available in the "no-dev" mode of Composer.
+     *
+     * When parent packages are provided and if any of them is in dev-only mode,
+     * the class will be considered available even if it is also in dev-only mode.
+     */
+    final public static function willBeAvailable(string $package, string $class, array $parentPackages): bool
+    {
+        if (!class_exists($class) && !interface_exists($class, false) && !trait_exists($class, false)) {
+            return false;
+        }
+
+        if (!class_exists(InstalledVersions::class) || !InstalledVersions::isInstalled($package) || InstalledVersions::isInstalled($package, false)) {
+            return true;
+        }
+
+        // the package is installed but in dev-mode only, check if this applies to one of the parent packages too
+
+        $rootPackage = InstalledVersions::getRootPackage()['name'] ?? '';
+        foreach ($parentPackages as $parentPackage) {
+            if ($rootPackage === $parentPackage || (InstalledVersions::isInstalled($parentPackage) && !InstalledVersions::isInstalled($parentPackage, false))) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
     /**
      * Gets removed binding ids.
      *