diff -u b/core/lib/Drupal/Component/DependencyInjection/Container.php b/core/lib/Drupal/Component/DependencyInjection/Container.php
--- b/core/lib/Drupal/Component/DependencyInjection/Container.php
+++ b/core/lib/Drupal/Component/DependencyInjection/Container.php
@@ -276,7 +276,7 @@
             $arguments = $this->resolveServicesAndParameters($arguments);
           }
         }
-        call_user_func_array([$service, $method], $arguments);
+        [$service, $method](...$arguments);
       }
     }
 
diff -u b/core/lib/Drupal/Component/DependencyInjection/PhpArrayContainer.php b/core/lib/Drupal/Component/DependencyInjection/PhpArrayContainer.php
--- b/core/lib/Drupal/Component/DependencyInjection/PhpArrayContainer.php
+++ b/core/lib/Drupal/Component/DependencyInjection/PhpArrayContainer.php
@@ -95,7 +95,7 @@
           $arguments = $call[1];
           $arguments = $this->resolveServicesAndParameters($arguments);
         }
-        call_user_func_array([$service, $method], $arguments);
+        [$service, $method](...$arguments);
       }
     }
 
diff -u b/core/lib/Drupal/Core/Form/FormBuilder.php b/core/lib/Drupal/Core/Form/FormBuilder.php
--- b/core/lib/Drupal/Core/Form/FormBuilder.php
+++ b/core/lib/Drupal/Core/Form/FormBuilder.php
@@ -523,12 +523,7 @@
       $form['#attributes']['class'][] = Html::getClass($build_info['base_form_id']);
     }
 
-    // We need to pass $form_state by reference in order for forms to modify it,
-    // since call_user_func_array() requires that referenced variables are
-    // passed explicitly.
-    $args = array_merge([$form, &$form_state], $args);
-
-    $form = $callback(...$args);
+    $form = $callback(...array_merge([$form, &$form_state], $args));
     // If the form returns a response, skip subsequent page construction by
     // throwing an exception.
     // @see Drupal\Core\EventSubscriber\EnforcedFormResponseSubscriber
@@ -1004,7 +999,7 @@
     if (isset($element['#process']) && !$element['#processed']) {
       foreach ($element['#process'] as $callback) {
         $complete_form = &$form_state->getCompleteForm();
-        $element = call_user_func_array($form_state->prepareCallback($callback), [&$element, &$form_state, &$complete_form]);
+        $element = $form_state->prepareCallback($callback)(...[&$element, &$form_state, &$complete_form]);
       }
       $element['#processed'] = TRUE;
     }
@@ -1075,7 +1070,7 @@
     // after normal input parsing has been completed.
     if (isset($element['#after_build']) && !isset($element['#after_build_done'])) {
       foreach ($element['#after_build'] as $callback) {
-        $element = call_user_func_array($form_state->prepareCallback($callback), [$element, &$form_state]);
+        $element = $form_state->prepareCallback($callback)(...[$element, &$form_state]);
       }
       $element['#after_build_done'] = TRUE;
     }
@@ -1255,7 +1250,7 @@
           // Skip all value callbacks except safe ones like text if the CSRF
           // token was invalid.
           if (!$form_state->hasInvalidToken() || $this->valueCallableIsSafe($value_callable)) {
-            $element['#value'] = call_user_func_array($value_callable, [&$element, $input, &$form_state]);
+            $element['#value'] = $value_callable(...[&$element, $input, &$form_state]);
           }
           else {
             $input = NULL;
@@ -1274,7 +1269,7 @@
       if (!isset($element['#value'])) {
         // Call #type_value without a second argument to request default_value
         // handling.
-        $element['#value'] = call_user_func_array($value_callable, [&$element, FALSE, &$form_state]);
+        $element['#value'] = $value_callable(...[&$element, FALSE, &$form_state]);
 
         // Final catch. If we haven't set a value yet, use the explicit default
         // value. Avoid image buttons (which come with garbage value), so we
diff -u b/core/tests/Drupal/KernelTests/Core/Entity/EntityDecoupledTranslationRevisionsTest.php b/core/tests/Drupal/KernelTests/Core/Entity/EntityDecoupledTranslationRevisionsTest.php
--- b/core/tests/Drupal/KernelTests/Core/Entity/EntityDecoupledTranslationRevisionsTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Entity/EntityDecoupledTranslationRevisionsTest.php
@@ -292,7 +292,7 @@
     $revision_id = NULL;
     foreach ($sequence as $index => $step) {
       $this->stepIndex = $index;
-      $revision_id = call_user_func_array([$this, 'doEditStep'], $step);
+      $revision_id = [$this, 'doEditStep'](...$step);
     }
     return $revision_id;
   }
only in patch2:
unchanged:
--- a/core/includes/batch.inc
+++ b/core/includes/batch.inc
@@ -292,7 +292,7 @@ function _batch_process() {
         'finished' => &$finished,
         'message'  => &$task_message,
       ];
-      call_user_func_array($callback, array_merge($args, [&$batch_context]));
+      $callback(...array_merge($args, [&$batch_context]));
 
       if ($finished >= 1) {
         // Make sure this step is not counted twice when computing $current.
@@ -427,7 +427,7 @@ function _batch_next_set() {
       // We use our stored copies of $form and $form_state to account for
       // possible alterations by previous form submit handlers.
       $complete_form = &$batch['form_state']->getCompleteForm();
-      call_user_func_array($callback, [&$complete_form, &$batch['form_state']]);
+      $callback(...[&$complete_form, &$batch['form_state']]);
     }
     return TRUE;
   }
@@ -453,7 +453,7 @@ function _batch_finished() {
       if (is_callable($batch_set['finished'])) {
         $queue = _batch_queue($batch_set);
         $operations = $queue->getAllItems();
-        $batch_set_result = call_user_func_array($batch_set['finished'], [$batch_set['success'], $batch_set['results'], $operations, \Drupal::service('date.formatter')->formatInterval((int) ($batch_set['elapsed'] / 1000))]);
+        $batch_set_result = $batch_set['finished'](...[$batch_set['success'], $batch_set['results'], $operations, \Drupal::service('date.formatter')->formatInterval((int) ($batch_set['elapsed'] / 1000))]);
         // If a batch 'finished' callback requested a redirect after the batch
         // is complete, save that for later use. If more than one batch set
         // returned a redirect, the last one is used.
only in patch2:
unchanged:
--- a/core/lib/Drupal/Component/Annotation/Plugin/Discovery/AnnotationBridgeDecorator.php
+++ b/core/lib/Drupal/Component/Annotation/Plugin/Discovery/AnnotationBridgeDecorator.php
@@ -69,7 +69,7 @@ public function getDefinitions() {
    *   The method result.
    */
   public function __call($method, $args) {
-    return call_user_func_array([$this->decorated, $method], $args);
+    return [$this->decorated, $method](...$args);
   }
 
 }
only in patch2:
unchanged:
--- a/core/lib/Drupal/Component/ClassFinder/ClassFinder.php
+++ b/core/lib/Drupal/Component/ClassFinder/ClassFinder.php
@@ -14,7 +14,7 @@ public function findFile($class) {
     $loaders = spl_autoload_functions();
     foreach ($loaders as $loader) {
       if (is_array($loader) && isset($loader[0]) && is_object($loader[0]) && method_exists($loader[0], 'findFile')) {
-        $file = call_user_func_array([$loader[0], 'findFile'], [$class]);
+        $file = [$loader[0], 'findFile'](...[$class]);
         // Different implementations return different empty values. For example,
         // \Composer\Autoload\ClassLoader::findFile() returns FALSE whilst
         // \Drupal\Component\ClassFinder\ClassFinderInterface::findFile()
only in patch2:
unchanged:
--- a/core/lib/Drupal/Component/Datetime/DateTimePlus.php
+++ b/core/lib/Drupal/Component/Datetime/DateTimePlus.php
@@ -357,7 +357,7 @@ public function __call($method, array $args) {
       throw new \BadMethodCallException(sprintf('Call to undefined method %s::%s()', static::class, $method));
     }
 
-    $result = call_user_func_array([$this->dateTimeObject, $method], $args);
+    $result = [$this->dateTimeObject, $method](...$args);
 
     return $result === $this->dateTimeObject ? $this : $result;
   }
@@ -395,7 +395,7 @@ public static function __callStatic($method, $args) {
     if (!method_exists('\DateTime', $method)) {
       throw new \BadMethodCallException(sprintf('Call to undefined method %s::%s()', static::class, $method));
     }
-    return call_user_func_array(['\DateTime', $method], $args);
+    return ['\DateTime', $method](...$args);
   }
 
   /**
only in patch2:
unchanged:
--- a/core/lib/Drupal/Component/Plugin/Discovery/DerivativeDiscoveryDecorator.php
+++ b/core/lib/Drupal/Component/Plugin/Discovery/DerivativeDiscoveryDecorator.php
@@ -248,7 +248,7 @@ protected function mergeDerivativeDefinition($base_plugin_definition, $derivativ
    * Passes through all unknown calls onto the decorated object.
    */
   public function __call($method, $args) {
-    return call_user_func_array([$this->decorated, $method], $args);
+    return [$this->decorated, $method](...$args);
   }
 
 }
only in patch2:
unchanged:
--- a/core/lib/Drupal/Component/Plugin/Discovery/StaticDiscoveryDecorator.php
+++ b/core/lib/Drupal/Component/Plugin/Discovery/StaticDiscoveryDecorator.php
@@ -61,7 +61,7 @@ public function getDefinitions() {
    * Passes through all unknown calls onto the decorated object.
    */
   public function __call($method, $args) {
-    return call_user_func_array([$this->decorated, $method], $args);
+    return [$this->decorated, $method](...$args);
   }
 
 }
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Config/ConfigImporter.php
+++ b/core/lib/Drupal/Core/Config/ConfigImporter.php
@@ -510,7 +510,7 @@ public function doSyncStep($sync_step, &$context) {
     }
     elseif (is_callable($sync_step)) {
       \Drupal::service('config.installer')->setSyncing(TRUE);
-      call_user_func_array($sync_step, [&$context, $this]);
+      $sync_step(...[&$context, $this]);
     }
     else {
       throw new \InvalidArgumentException('Invalid configuration synchronization step');
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Database/Install/Tasks.php
+++ b/core/lib/Drupal/Core/Database/Install/Tasks.php
@@ -154,7 +154,7 @@ public function runTasks() {
         }
         if (method_exists($this, $task['function'])) {
           // Returning false is fatal. No other tasks can run.
-          if (FALSE === call_user_func_array([$this, $task['function']], $task['arguments'])) {
+          if (FALSE === [$this, $task['function']](...$task['arguments'])) {
             break;
           }
         }
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Database/Query/SelectExtender.php
+++ b/core/lib/Drupal/Core/Database/Query/SelectExtender.php
@@ -76,14 +76,14 @@ public function hasTag($tag) {
    * {@inheritdoc}
    */
   public function hasAllTags() {
-    return call_user_func_array([$this->query, 'hasAllTags'], func_get_args());
+    return [$this->query, 'hasAllTags'](...func_get_args());
   }
 
   /**
    * {@inheritdoc}
    */
   public function hasAnyTag() {
-    return call_user_func_array([$this->query, 'hasAnyTag'], func_get_args());
+    return [$this->query, 'hasAnyTag'](...func_get_args());
   }
 
   /**
@@ -510,7 +510,7 @@ public function __clone() {
    * to handle any additional methods.
    */
   public function __call($method, $args) {
-    $return = call_user_func_array([$this->query, $method], $args);
+    $return = [$this->query, $method](...$args);
 
     // Some methods will return the called object as part of a fluent interface.
     // Others will return some useful value.  If it's a value, then the caller
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/DependencyInjection/ContainerBuilder.php
+++ b/core/lib/Drupal/Core/DependencyInjection/ContainerBuilder.php
@@ -133,7 +133,7 @@ protected function callMethod($service, $call, array &$inlineServices = array())
       }
     }
 
-    call_user_func_array(array($service, $call[0]), $this->resolveServices($this->getParameterBag()->resolveValue($call[1])));
+    [$service, $call[0]](...$this->resolveServices($this->getParameterBag()->resolveValue($call[1])));
   }
 
   /**
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Entity/ContentEntityStorageBase.php
+++ b/core/lib/Drupal/Core/Entity/ContentEntityStorageBase.php
@@ -936,9 +936,9 @@ protected function invokeFieldMethod($method, ContentEntityInterface $entity) {
       // fields should be invoked only on the default entity translation.
       $fields = $translation->isDefaultTranslation() ? $translation->getFields() : $translation->getTranslatableFields();
       foreach ($fields as $name => $items) {
-        // call_user_func_array() is way slower than a direct call so we avoid
-        // using it if have no parameters.
-        $result[$langcode][$name] = $args ? call_user_func_array([$items, $method], $args) : $items->{$method}();
+        // Argument unpacking may be slower than a direct call so we avoid using
+        // it if have no parameters.
+        $result[$langcode][$name] = $args ? [$items, $method](...$args) : $items->{$method}();
       }
     }
 
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Entity/EntityForm.php
+++ b/core/lib/Drupal/Core/Entity/EntityForm.php
@@ -296,7 +296,7 @@ public function buildEntity(array $form, FormStateInterface $form_state) {
     // properties.
     if (isset($form['#entity_builders'])) {
       foreach ($form['#entity_builders'] as $function) {
-        call_user_func_array($form_state->prepareCallback($function), [$entity->getEntityTypeId(), $entity, &$form, &$form_state]);
+        $form_state->prepareCallback($function)(...[$entity->getEntityTypeId(), $entity, &$form, &$form_state]);
       }
     }
 
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Extension/Extension.php
+++ b/core/lib/Drupal/Core/Extension/Extension.php
@@ -159,7 +159,7 @@ public function __call($method, array $args) {
     if (!isset($this->splFileInfo)) {
       $this->splFileInfo = new \SplFileInfo($this->root . '/' . $this->pathname);
     }
-    return call_user_func_array([$this->splFileInfo, $method], $args);
+    return [$this->splFileInfo, $method](...$args);
   }
 
   /**
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Field/FieldItemList.php
+++ b/core/lib/Drupal/Core/Field/FieldItemList.php
@@ -228,9 +228,9 @@ protected function delegateMethod($method) {
     $result = [];
     $args = array_slice(func_get_args(), 1);
     foreach ($this->list as $delta => $item) {
-      // call_user_func_array() is way slower than a direct call so we avoid
-      // using it if have no parameters.
-      $result[$delta] = $args ? call_user_func_array([$item, $method], $args) : $item->{$method}();
+      // Argument unpacking may be slower than a direct call so we avoid using
+      // it if have no parameters.
+      $result[$delta] = $args ? [$item, $method](...$args) : $item->{$method}();
     }
     return $result;
   }
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/FileTransfer/Form/FileTransferAuthorizeForm.php
+++ b/core/lib/Drupal/Core/FileTransfer/Form/FileTransferAuthorizeForm.php
@@ -321,7 +321,7 @@ protected function runOperation($filetransfer) {
     $operation = $this->getRequest()->getSession()->remove('authorize_operation');
 
     require_once $operation['file'];
-    return call_user_func_array($operation['callback'], array_merge([$filetransfer], $operation['arguments']));
+    return $operation['callback'](...array_merge([$filetransfer], $operation['arguments']));
   }
 
 }
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Form/FormAjaxResponseBuilder.php
+++ b/core/lib/Drupal/Core/Form/FormAjaxResponseBuilder.php
@@ -66,7 +66,7 @@ public function buildResponse(Request $request, array $form, FormStateInterface
     if (empty($callback) || !is_callable($callback)) {
       throw new HttpException(500, 'The specified #ajax callback is empty or not callable.');
     }
-    $result = call_user_func_array($callback, [&$form, &$form_state, $request]);
+    $result = $callback(...[&$form, &$form_state, $request]);
 
     // If the callback is an #ajax callback, the result is a render array, and
     // we need to turn it into an AJAX response, so that we can add any commands
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Form/FormSubmitter.php
+++ b/core/lib/Drupal/Core/Form/FormSubmitter.php
@@ -111,7 +111,7 @@ public function executeSubmitHandlers(&$form, FormStateInterface &$form_state) {
         $batch['has_form_submits'] = TRUE;
       }
       else {
-        call_user_func_array($form_state->prepareCallback($callback), [&$form, &$form_state]);
+        $form_state->prepareCallback($callback)(...[&$form, &$form_state]);
       }
     }
   }
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Form/FormValidator.php
+++ b/core/lib/Drupal/Core/Form/FormValidator.php
@@ -79,7 +79,7 @@ public function executeValidateHandlers(&$form, FormStateInterface &$form_state)
     }
 
     foreach ($handlers as $callback) {
-      call_user_func_array($form_state->prepareCallback($callback), [&$form, &$form_state]);
+      $form_state->prepareCallback($callback)(...[&$form, &$form_state]);
     }
   }
 
@@ -279,7 +279,7 @@ protected function doValidateForm(&$elements, FormStateInterface &$form_state, $
       elseif (isset($elements['#element_validate'])) {
         foreach ($elements['#element_validate'] as $callback) {
           $complete_form = &$form_state->getCompleteForm();
-          call_user_func_array($form_state->prepareCallback($callback), [&$elements, &$form_state, &$complete_form]);
+          $form_state->prepareCallback($callback)(...[&$elements, &$form_state, &$complete_form]);
         }
       }
 
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Plugin/Discovery/InfoHookDecorator.php
+++ b/core/lib/Drupal/Core/Plugin/Discovery/InfoHookDecorator.php
@@ -57,7 +57,7 @@ function (callable $hook, string $module) use (&$definitions) {
    * Passes through all unknown calls onto the decorated object.
    */
   public function __call($method, $args) {
-    return call_user_func_array([$this->decorated, $method], $args);
+    return [$this->decorated, $method](...$args);
   }
 
 }
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Plugin/Discovery/YamlDiscoveryDecorator.php
+++ b/core/lib/Drupal/Core/Plugin/Discovery/YamlDiscoveryDecorator.php
@@ -47,7 +47,7 @@ public function getDefinitions() {
    * Passes through all unknown calls onto the decorated object.
    */
   public function __call($method, $args) {
-    return call_user_func_array([$this->decorated, $method], $args);
+    return [$this->decorated, $method](...$args);
   }
 
 }
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Routing/AccessAwareRouter.php
+++ b/core/lib/Drupal/Core/Routing/AccessAwareRouter.php
@@ -60,7 +60,7 @@ public function __construct(RouterInterface $router, AccessManagerInterface $acc
    */
   public function __call($name, $arguments) {
     // Ensure to call every other function to the router.
-    return call_user_func_array([$this->router, $name], $arguments);
+    return [$this->router, $name](...$arguments);
   }
 
   /**
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Security/DoTrustedCallbackTrait.php
+++ b/core/lib/Drupal/Core/Security/DoTrustedCallbackTrait.php
@@ -98,7 +98,7 @@ public function doTrustedCallback(callable $callback, array $args, $message, $er
     }
 
     // @TODO Allow named arguments in https://www.drupal.org/node/3174150
-    return call_user_func_array($callback, array_values($args));
+    return $callback(...array_values($args));
   }
 
 }
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Theme/ThemeManager.php
+++ b/core/lib/Drupal/Core/Theme/ThemeManager.php
@@ -282,7 +282,7 @@ public function render($hook, array $variables) {
     if (isset($info['preprocess functions'])) {
       foreach ($info['preprocess functions'] as $preprocessor_function) {
         if (is_callable($preprocessor_function)) {
-          call_user_func_array($preprocessor_function, [&$variables, $hook, $info]);
+          $preprocessor_function(...[&$variables, $hook, $info]);
         }
       }
       // Allow theme preprocess functions to set $variables['#attached'] and
only in patch2:
unchanged:
--- a/core/modules/field/src/Plugin/migrate/process/ProcessField.php
+++ b/core/modules/field/src/Plugin/migrate/process/ProcessField.php
@@ -132,7 +132,7 @@ protected function callMethodOnFieldPlugin(MigrateFieldPluginManagerInterface $f
     if (!is_callable([$plugin_instance, $method])) {
       throw new MigrateException('The specified method does not exist or is not callable.');
     }
-    return call_user_func_array([$plugin_instance, $method], [$row]);
+    return [$plugin_instance, $method](...[$row]);
   }
 
 }
only in patch2:
unchanged:
--- a/core/modules/field_ui/src/Element/FieldUiTable.php
+++ b/core/modules/field_ui/src/Element/FieldUiTable.php
@@ -69,7 +69,7 @@ public static function tablePreRender($elements) {
           unset($list[$name]);
 
           // Determine the region for the row.
-          $region_name = call_user_func_array($row['#region_callback'], [&$row]);
+          $region_name = $row['#region_callback'](...[&$row]);
 
           // Add the element in the tree.
           // phpcs:ignore DrupalPractice.CodeAnalysis.VariableAnalysis.UnusedVariable
only in patch2:
unchanged:
--- a/core/modules/locale/locale.compare.inc
+++ b/core/modules/locale/locale.compare.inc
@@ -246,7 +246,7 @@ function locale_translation_batch_status_build($projects = [], $langcodes = [])
     ->setFinishCallback('locale_translation_batch_status_finished');
 
   array_walk($operations, function ($operation) use ($batch_builder) {
-    call_user_func_array([$batch_builder, 'addOperation'], $operation);
+    [$batch_builder, 'addOperation'](...$operation);
   });
 
   return $batch_builder->toArray();
only in patch2:
unchanged:
--- a/core/modules/locale/locale.fetch.inc
+++ b/core/modules/locale/locale.fetch.inc
@@ -45,7 +45,7 @@ function locale_translation_batch_update_build($projects = [], $langcodes = [],
   // Download and import translations.
   $operations = array_merge($operations, _locale_translation_fetch_operations($projects, $langcodes, $options));
   array_walk($operations, function ($operation) use ($batch_builder) {
-    call_user_func_array([$batch_builder, 'addOperation'], $operation);
+    [$batch_builder, 'addOperation'](...$operation);
   });
 
   return $batch_builder->toArray();
@@ -76,7 +76,7 @@ function locale_translation_batch_fetch_build($projects = [], $langcodes = [], $
     ->setFinishCallback('locale_translation_batch_fetch_finished');
   $operations = _locale_translation_fetch_operations($projects, $langcodes, $options);
   array_walk($operations, function ($operation) use ($batch_builder) {
-    call_user_func_array([$batch_builder, 'addOperation'], $operation);
+    [$batch_builder, 'addOperation'](...$operation);
   });
   return $batch_builder->toArray();
 }
only in patch2:
unchanged:
--- a/core/modules/migrate/src/Plugin/Discovery/ProviderFilterDecorator.php
+++ b/core/modules/migrate/src/Plugin/Discovery/ProviderFilterDecorator.php
@@ -93,7 +93,7 @@ public function getDefinitions() {
    *   The return value from the method on the decorated object.
    */
   public function __call($method, array $args) {
-    return call_user_func_array([$this->decorated, $method], $args);
+    return [$this->decorated, $method](...$args);
   }
 
 }
only in patch2:
unchanged:
--- a/core/modules/migrate/src/Plugin/NoSourcePluginDecorator.php
+++ b/core/modules/migrate/src/Plugin/NoSourcePluginDecorator.php
@@ -52,7 +52,7 @@ public function getDefinitions() {
    *   The return value from the method on the decorated object.
    */
   public function __call($method, array $args) {
-    return call_user_func_array([$this->decorated, $method], $args);
+    return [$this->decorated, $method](...$args);
   }
 
 }
only in patch2:
unchanged:
--- a/core/modules/migrate_drupal/src/FieldDiscovery.php
+++ b/core/modules/migrate_drupal/src/FieldDiscovery.php
@@ -145,14 +145,7 @@ public function addBundleFieldProcesses(MigrationInterface $migration, $entity_t
       if ($plugin) {
         $method = $plugin_definition['field_plugin_method'] ?? 'defineValueProcessPipeline';
 
-        call_user_func_array([
-          $plugin,
-          $method,
-        ], [
-          $migration,
-          $field_name,
-          $field_info,
-        ]);
+        [$plugin, $method](...[$migration, $field_name, $field_info]);
       }
       else {
         // Default to a get process plugin if this is a value migration.
only in patch2:
unchanged:
--- a/core/modules/rest/src/RequestHandler.php
+++ b/core/modules/rest/src/RequestHandler.php
@@ -216,7 +216,7 @@ protected function delegateToRestResourcePlugin(RouteMatchInterface $route_match
     $arguments = $argument_resolver->getArguments([$resource, $method]);
 
     // Invoke the operation on the resource plugin.
-    return call_user_func_array([$resource, $method], $arguments);
+    return [$resource, $method](...$arguments);
   }
 
   /**
only in patch2:
unchanged:
--- a/core/modules/settings_tray/tests/src/FunctionalJavascript/SettingsTrayBlockFormTest.php
+++ b/core/modules/settings_tray/tests/src/FunctionalJavascript/SettingsTrayBlockFormTest.php
@@ -49,7 +49,7 @@ protected function setUp(): void {
    */
   public function testBlocks() {
     foreach ($this->getBlockTests() as $test) {
-      call_user_func_array([$this, 'doTestBlocks'], array_values($test));
+      [$this, 'doTestBlocks'](...array_values($test));
     }
   }
 
only in patch2:
unchanged:
--- a/core/modules/system/tests/src/Functional/Entity/EntityReferenceSelection/EntityReferenceSelectionAccessTest.php
+++ b/core/modules/system/tests/src/Functional/Entity/EntityReferenceSelection/EntityReferenceSelectionAccessTest.php
@@ -99,10 +99,10 @@ protected function assertReferenceable(array $selection_options, array $tests, s
 
     foreach ($tests as $test) {
       foreach ($test['arguments'] as $arguments) {
-        $result = call_user_func_array([$handler, 'getReferenceableEntities'], $arguments);
+        $result = [$handler, 'getReferenceableEntities'](...$arguments);
         $this->assertEquals($test['result'], $result, new FormattableMarkup('Valid result set returned by @handler.', ['@handler' => $handler_name]));
 
-        $result = call_user_func_array([$handler, 'countReferenceableEntities'], $arguments);
+        $result = [$handler, 'countReferenceableEntities'](...$arguments);
         if (!empty($test['result'])) {
           $bundle = key($test['result']);
           $count = count($test['result'][$bundle]);
only in patch2:
unchanged:
--- a/core/modules/views/src/Plugin/views/HandlerBase.php
+++ b/core/modules/views/src/Plugin/views/HandlerBase.php
@@ -471,7 +471,7 @@ public function showExposeForm(&$form, FormStateInterface $form_state) {
   public function access(AccountInterface $account) {
     if (isset($this->definition['access callback']) && function_exists($this->definition['access callback'])) {
       if (isset($this->definition['access arguments']) && is_array($this->definition['access arguments'])) {
-        return call_user_func_array($this->definition['access callback'], [$account] + $this->definition['access arguments']);
+        return $this->definition['access callback'](...[$account] + $this->definition['access arguments']);
       }
       return $this->definition['access callback']($account);
     }
only in patch2:
unchanged:
--- a/core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php
+++ b/core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php
@@ -715,7 +715,7 @@ public function defaultAction($info = NULL) {
     }
 
     if (!empty($info['method args'])) {
-      return call_user_func_array([&$this, $info['method']], $info['method args']);
+      return [&$this, $info['method']](...$info['method args']);
     }
     else {
       return $this->{$info['method']}();
only in patch2:
unchanged:
--- a/core/modules/views/src/Plugin/views/field/MachineName.php
+++ b/core/modules/views/src/Plugin/views/field/MachineName.php
@@ -31,7 +31,7 @@ public function getValueOptions() {
 
     if (isset($this->definition['options callback']) && is_callable($this->definition['options callback'])) {
       if (isset($this->definition['options arguments']) && is_array($this->definition['options arguments'])) {
-        $this->valueOptions = call_user_func_array($this->definition['options callback'], $this->definition['options arguments']);
+        $this->valueOptions = $this->definition['options callback'](...$this->definition['options arguments']);
       }
       else {
         $this->valueOptions = call_user_func($this->definition['options callback']);
only in patch2:
unchanged:
--- a/core/modules/views/src/Plugin/views/filter/InOperator.php
+++ b/core/modules/views/src/Plugin/views/filter/InOperator.php
@@ -65,7 +65,7 @@ public function getValueOptions() {
 
     if (isset($this->definition['options callback']) && is_callable($this->definition['options callback'])) {
       if (isset($this->definition['options arguments']) && is_array($this->definition['options arguments'])) {
-        $this->valueOptions = call_user_func_array($this->definition['options callback'], $this->definition['options arguments']);
+        $this->valueOptions = $this->definition['options callback'](...$this->definition['options arguments']);
       }
       else {
         $this->valueOptions = call_user_func($this->definition['options callback']);
only in patch2:
unchanged:
--- a/core/modules/views_ui/src/ViewUI.php
+++ b/core/modules/views_ui/src/ViewUI.php
@@ -253,7 +253,7 @@ public function standardSubmit($form, FormStateInterface $form_state) {
     }
 
     $submit_handler = [$form_state->getFormObject(), 'submitForm'];
-    call_user_func_array($submit_handler, [&$form, $form_state]);
+    $submit_handler(...[&$form, $form_state]);
   }
 
   /**
@@ -897,7 +897,7 @@ public function isLocked() {
    * Passes through all unknown calls onto the storage object.
    */
   public function __call($method, $args) {
-    return call_user_func_array([$this->storage, $method], $args);
+    return [$this->storage, $method](...$args);
   }
 
   /**
only in patch2:
unchanged:
--- a/core/modules/views_ui/tests/src/Unit/ViewUIObjectTest.php
+++ b/core/modules/views_ui/tests/src/Unit/ViewUIObjectTest.php
@@ -62,7 +62,7 @@ public function testEntityDecoration() {
       foreach ($args as $arg) {
         $method_mock->with($this->equalTo($arg));
       }
-      call_user_func_array([$view_ui, $method], $args);
+      [$view_ui, $method](...$args);
     }
 
     $storage->expects($this->once())
only in patch2:
unchanged:
--- a/core/tests/Drupal/KernelTests/Core/Database/LoggingTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Database/LoggingTest.php
@@ -25,7 +25,7 @@ public function testEnableLogging() {
     $this->connection->query('SELECT [age] FROM {test} WHERE [name] = :name', [':name' => 'Ringo'])->fetchCol();
 
     // Trigger a call that does not have file in the backtrace.
-    call_user_func_array([Database::getConnection(), 'query'], ['SELECT [age] FROM {test} WHERE [name] = :name', [':name' => 'Ringo']])->fetchCol();
+    [Database::getConnection(), 'query'](...['SELECT [age] FROM {test} WHERE [name] = :name', [':name' => 'Ringo']])->fetchCol();
 
     $queries = Database::getLog('testing', 'default');
 
only in patch2:
unchanged:
--- a/core/tests/Drupal/Tests/Component/Plugin/Discovery/StaticDiscoveryDecoratorTest.php
+++ b/core/tests/Drupal/Tests/Component/Plugin/Discovery/StaticDiscoveryDecoratorTest.php
@@ -222,7 +222,7 @@ function () {
     // Exercise __call.
     $this->assertEquals(
       $args,
-      \call_user_func_array([$mock_decorated, $method], $args)
+      [$mock_decorated, $method](...$args)
     );
   }
 
only in patch2:
unchanged:
--- a/core/tests/Drupal/Tests/Core/Config/ReadOnlyStorageTest.php
+++ b/core/tests/Drupal/Tests/Core/Config/ReadOnlyStorageTest.php
@@ -51,8 +51,8 @@ protected function setUp(): void {
   public function testReadOperations($method, $arguments, $fixture) {
     $this->setRandomFixtureConfig($fixture);
 
-    $expected = call_user_func_array([$this->memory, $method], $arguments);
-    $actual = call_user_func_array([$this->storage, $method], $arguments);
+    $expected = [$this->memory, $method](...$arguments);
+    $actual = [$this->storage, $method](...$arguments);
     $this->assertEquals($expected, $actual);
   }
 
@@ -96,7 +96,7 @@ public function testWriteOperations($method, $arguments, $fixture) {
     static::replaceStorageContents($this->memory, $backup);
 
     try {
-      call_user_func_array([$this->storage, $method], $arguments);
+      [$this->storage, $method](...$arguments);
       $this->fail("exception not thrown");
     }
     catch (\BadMethodCallException $exception) {
only in patch2:
unchanged:
--- a/core/tests/Drupal/Tests/Core/Session/WriteSafeSessionHandlerTest.php
+++ b/core/tests/Drupal/Tests/Core/Session/WriteSafeSessionHandlerTest.php
@@ -135,17 +135,17 @@ public function testOtherMethods($method, $expected_result, $args) {
       ->will($this->returnValue($expected_result));
 
     // Set the parameter matcher.
-    call_user_func_array([$invocation, 'with'], $args);
+    [$invocation, 'with'](...$args);
 
     // Test with writable session.
     $this->assertTrue($this->sessionHandler->isSessionWritable());
-    $actual_result = call_user_func_array([$this->sessionHandler, $method], $args);
+    $actual_result = [$this->sessionHandler, $method](...$args);
     $this->assertSame($expected_result, $actual_result);
 
     // Test with non-writable session.
     $this->sessionHandler->setSessionWritable(FALSE);
     $this->assertFalse($this->sessionHandler->isSessionWritable());
-    $actual_result = call_user_func_array([$this->sessionHandler, $method], $args);
+    $actual_result = [$this->sessionHandler, $method](...$args);
     $this->assertSame($expected_result, $actual_result);
   }