diff --git a/core/lib/Drupal/Core/Entity/Entity/EntityViewDisplay.php b/core/lib/Drupal/Core/Entity/Entity/EntityViewDisplay.php
index afb9a88..85b4eff 100644
--- a/core/lib/Drupal/Core/Entity/Entity/EntityViewDisplay.php
+++ b/core/lib/Drupal/Core/Entity/Entity/EntityViewDisplay.php
@@ -198,7 +198,7 @@ public function getRenderer($field_name) {
     if (($configuration = $this->getComponent($field_name)) && isset($configuration['type']) && ($definition = $this->getFieldDefinition($field_name))) {
       // Record the language that the configuration was translated into, which
       // is needed for plural formatting (for example).
-      $configuration['settings_langcode'] = $this->langcode;
+      $configuration['settings']['settings_langcode'] = $this->langcode;
       $formatter = $this->pluginManager->getInstance(array(
         'field_definition' => $definition,
         'view_mode' => $this->originalMode,
diff --git a/core/lib/Drupal/Core/Entity/EntityViewBuilder.php b/core/lib/Drupal/Core/Entity/EntityViewBuilder.php
index 56b3492..ce47653 100644
--- a/core/lib/Drupal/Core/Entity/EntityViewBuilder.php
+++ b/core/lib/Drupal/Core/Entity/EntityViewBuilder.php
@@ -469,9 +469,9 @@ protected function getSingleFieldDisplay($entity, $field_name, $display_options)
       if (!isset($this->singleFieldDisplays[$key])) {
         // Assign the incoming 'settings_langcode' as the langcode of the
         // EntityViewDisplay, or default to the current interface language.
-        if (isset($display_options['settings_langcode'])) {
-          $langcode = $display_options['settings_langcode'];
-          unset($display_options['settings_langcode']);
+        if (isset($display_options['settings']['settings_langcode'])) {
+          $langcode = $display_options['settings']['settings_langcode'];
+          unset($display_options['settings']['settings_langcode']);
         }
         else {
           $langcode = $this->languageManager->getCurrentLanguage(LanguageInterface::TYPE_INTERFACE)->getId();
diff --git a/core/lib/Drupal/Core/Entity/EntityViewBuilderInterface.php b/core/lib/Drupal/Core/Entity/EntityViewBuilderInterface.php
index ff086c6..e4dff16 100644
--- a/core/lib/Drupal/Core/Entity/EntityViewBuilderInterface.php
+++ b/core/lib/Drupal/Core/Entity/EntityViewBuilderInterface.php
@@ -121,11 +121,10 @@ public function resetCache(array $entities = NULL);
    *       'default_formatter' for the field type. The default formatter will
    *       also be used if the requested formatter is not available.
    *     - settings: (array) Settings specific to the formatter. Defaults to the
-   *       formatter's default settings.
-   *     - settings_langcode: (string) The langcode associated to the settings
-   *       passed above. If the settings are read from a config entity, this
-   *       should be the langcode of that config entity. Defaults to the
-   *       langcode of the current interface language.
+   *       formatter's default settings. A settings_langcode value will be
+   *       added; this is the language code of the parent entity (and hence of
+   *       the settings), defaulting to the current interface language if not
+   *       set.
    *     - weight: (float) The weight to assign to the renderable element.
    *       Defaults to 0.
    *
diff --git a/core/lib/Drupal/Core/Field/FormatterBase.php b/core/lib/Drupal/Core/Field/FormatterBase.php
index 41f8701..a6c8cc8 100644
--- a/core/lib/Drupal/Core/Field/FormatterBase.php
+++ b/core/lib/Drupal/Core/Field/FormatterBase.php
@@ -62,10 +62,8 @@
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings.
-   * @param string $settings_langcode
-   *   The language code associated with the settings passed above.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode) {
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings) {
     parent::__construct(array(), $plugin_id, $plugin_definition);
 
     $this->fieldDefinition = $field_definition;
@@ -73,7 +71,6 @@ public function __construct($plugin_id, $plugin_definition, FieldDefinitionInter
     $this->label = $label;
     $this->viewMode = $view_mode;
     $this->thirdPartySettings = $third_party_settings;
-    $this->settingsLangcode = $settings_langcode;
   }
 
   /**
diff --git a/core/lib/Drupal/Core/Field/FormatterPluginManager.php b/core/lib/Drupal/Core/Field/FormatterPluginManager.php
index d100add..f8dafce 100644
--- a/core/lib/Drupal/Core/Field/FormatterPluginManager.php
+++ b/core/lib/Drupal/Core/Field/FormatterPluginManager.php
@@ -61,9 +61,6 @@ public function createInstance($plugin_id, array $configuration = array()) {
     $plugin_definition = $this->getDefinition($plugin_id);
     $plugin_class = DefaultFactory::getPluginClass($plugin_id, $plugin_definition);
 
-    // @todo Not sure we need to keep that, there should always be a settings_langcode set ?
-    $configuration += ['settings_langcode' => NULL];
-
     // @todo This is copied from \Drupal\Core\Plugin\Factory\ContainerFactory.
     //   Find a way to restore sanity to
     //   \Drupal\Core\Field\FormatterBase::__construct().
@@ -72,7 +69,7 @@ public function createInstance($plugin_id, array $configuration = array()) {
       return $plugin_class::create(\Drupal::getContainer(), $configuration, $plugin_id, $plugin_definition);
     }
 
-    return new $plugin_class($plugin_id, $plugin_definition, $configuration['field_definition'], $configuration['settings'], $configuration['label'], $configuration['view_mode'], $configuration['third_party_settings'], $configuration['settings_langcode']);
+    return new $plugin_class($plugin_id, $plugin_definition, $configuration['field_definition'], $configuration['settings'], $configuration['label'], $configuration['view_mode'], $configuration['third_party_settings']);
   }
 
   /**
@@ -95,12 +92,11 @@ public function createInstance($plugin_id, array $configuration = array()) {
    *       also be used if the requested formatter is not available.
    *     - settings: (array) Settings specific to the formatter. Each setting
    *       defaults to the default value specified in the formatter definition.
+   *       There should be a 'settings_langcode' added, giving the language
+   *       code of the parent entity (entity view display or view that the
+   *       formatter is embedded in).
    *     - third_party_settings: (array) Settings provided by other extensions
    *       through hook_field_formatter_third_party_settings_form().
-   *     - settings_langcode: (string) The language code associated to the
-   *       settings passed above. That is typically the language code of the
-   *       configuration entity the settings are taken from (an
-   *       entity_view_display, a view...)
    *
    * @return \Drupal\Core\Field\FormatterInterface|null
    *   A formatter object or NULL when plugin is not found.
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceEntityFormatter.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceEntityFormatter.php
index 40d6686..4cb961e 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceEntityFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceEntityFormatter.php
@@ -52,13 +52,11 @@ class EntityReferenceEntityFormatter extends EntityReferenceFormatterBase implem
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings settings.
-   * @param string $settings_langcode
-   *   The language code associated with the settings passed above.
    * @param LoggerChannelFactoryInterface $logger_factory
    *   The logger factory.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, LoggerChannelFactoryInterface $logger_factory) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, LoggerChannelFactoryInterface $logger_factory) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
     $this->loggerFactory = $logger_factory;
   }
 
@@ -74,7 +72,6 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
-      $configuration['settings_langcode'],
       $container->get('logger.factory')
     );
   }
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/LanguageFormatter.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/LanguageFormatter.php
index 7c314dd..3b43147 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/LanguageFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/LanguageFormatter.php
@@ -52,15 +52,13 @@ class LanguageFormatter extends StringFormatter {
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings settings.
-   * @param string $settings_langcode
-   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
    *   The entity manager.
    * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
    *   The language manager.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, EntityManagerInterface $entity_manager, LanguageManagerInterface $language_manager) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode, $entity_manager);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, EntityManagerInterface $entity_manager, LanguageManagerInterface $language_manager) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $entity_manager);
 
     $this->languageManager = $language_manager;
   }
@@ -77,7 +75,6 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
-      $configuration['settings_langcode'],
       $container->get('entity.manager'),
       $container->get('language_manager')
     );
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/NumericFormatterBase.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/NumericFormatterBase.php
index 1a167d5..61d0185 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/NumericFormatterBase.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/NumericFormatterBase.php
@@ -68,7 +68,7 @@ public function settingsForm(array $form, FormStateInterface $form_state) {
     $elements['format_plural_values'] = array(
       '#after_build' => [[get_class($this), 'formatPluralValuesAfterBuild']],
     );
-    $plurals = $this->getNumberOfPlurals($this->settingsLangcode);
+    $plurals = $this->getNumberOfPlurals($this->getSetting('settings_langcode');
     for ($i = 0; $i < $plurals; $i++) {
       $elements['format_plural_values'][$i] = array(
         '#type' => 'textfield',
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php
index 2efa26c..6276f95 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php
@@ -52,13 +52,11 @@ class StringFormatter extends FormatterBase implements ContainerFactoryPluginInt
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings settings.
-   * @param string $settings_langcode
-   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
    *   The entity manager.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, EntityManagerInterface $entity_manager) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, EntityManagerInterface $entity_manager) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
 
     $this->entityManager = $entity_manager;
   }
@@ -75,7 +73,6 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
-      $configuration['settings_langcode'],
       $container->get('entity.manager')
     );
   }
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampAgoFormatter.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampAgoFormatter.php
index 3588bba..90dfadc 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampAgoFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampAgoFormatter.php
@@ -63,15 +63,13 @@ class TimestampAgoFormatter extends FormatterBase implements ContainerFactoryPlu
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings.
-   * @param string $settings_langcode
-   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Datetime\DateFormatter $date_formatter
    *   The date formatter service.
    * @param \Symfony\Component\HttpFoundation\Request $request
    *   The current request.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, DateFormatter $date_formatter, Request $request) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, DateFormatter $date_formatter, Request $request) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
 
     $this->dateFormatter = $date_formatter;
     $this->request = $request;
@@ -90,7 +88,6 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
-      $configuration['settings_langcode'],
       $container->get('date.formatter'),
       $container->get('request_stack')->getCurrentRequest()
     );
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampFormatter.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampFormatter.php
index f949699..36bfe15 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampFormatter.php
@@ -62,15 +62,13 @@ class TimestampFormatter extends FormatterBase implements ContainerFactoryPlugin
    *   The view mode.
    * @param array $third_party_settings
    *   Third party settings.
-   * @param string $settings_langcode
-   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Datetime\DateFormatter $date_formatter
    *   The date formatter service.
    * @param \Drupal\Core\Entity\EntityStorageInterface $date_format_storage
    *   The date format storage.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, DateFormatter $date_formatter, EntityStorageInterface $date_format_storage) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, DateFormatter $date_formatter, EntityStorageInterface $date_format_storage) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
 
     $this->dateFormatter = $date_formatter;
     $this->dateFormatStorage = $date_format_storage;
@@ -88,7 +86,6 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
-      $configuration['settings_langcode'],
       $container->get('date.formatter'),
       $container->get('entity.manager')->getStorage('date_format')
     );
diff --git a/core/modules/comment/src/Plugin/Field/FieldFormatter/CommentDefaultFormatter.php b/core/modules/comment/src/Plugin/Field/FieldFormatter/CommentDefaultFormatter.php
index 7e87543..acef616 100644
--- a/core/modules/comment/src/Plugin/Field/FieldFormatter/CommentDefaultFormatter.php
+++ b/core/modules/comment/src/Plugin/Field/FieldFormatter/CommentDefaultFormatter.php
@@ -95,7 +95,6 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
-      $configuration['settings_langcode'],
       $container->get('current_user'),
       $container->get('entity.manager'),
       $container->get('entity.form_builder')
@@ -119,8 +118,6 @@ public static function create(ContainerInterface $container, array $configuratio
    *   The view mode.
    * @param array $third_party_settings
    *   Third party settings.
-   * @param string $settings_langcode
-   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Session\AccountInterface $current_user
    *   The current user.
    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
@@ -128,8 +125,8 @@ public static function create(ContainerInterface $container, array $configuratio
    * @param \Drupal\Core\Entity\EntityFormBuilderInterface $entity_form_builder
    *   The entity form builder.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, AccountInterface $current_user, EntityManagerInterface $entity_manager, EntityFormBuilderInterface $entity_form_builder) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, AccountInterface $current_user, EntityManagerInterface $entity_manager, EntityFormBuilderInterface $entity_form_builder) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
     $this->viewBuilder = $entity_manager->getViewBuilder('comment');
     $this->storage = $entity_manager->getStorage('comment');
     $this->currentUser = $current_user;
diff --git a/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php b/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php
index 4000af5..aad8c16 100644
--- a/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php
+++ b/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php
@@ -53,15 +53,13 @@
    *   The view mode.
    * @param array $third_party_settings
    *   Third party settings.
-   * @param string $settings_langcode
-   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Datetime\DateFormatter $date_formatter
    *   The date formatter service.
    * @param \Drupal\Core\Entity\EntityStorageInterface $date_format_storage
    *   The date format entity storage.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, DateFormatter $date_formatter, EntityStorageInterface $date_format_storage) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, DateFormatter $date_formatter, EntityStorageInterface $date_format_storage) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
 
     $this->dateFormatter = $date_formatter;
     $this->dateFormatStorage = $date_format_storage;
@@ -79,7 +77,6 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
-      $configuration['settings_langcode'],
       $container->get('date.formatter'),
       $container->get('entity.manager')->getStorage('date_format')
     );
diff --git a/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeTimeAgoFormatter.php b/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeTimeAgoFormatter.php
index 14cdffc..0bc56c6 100644
--- a/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeTimeAgoFormatter.php
+++ b/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeTimeAgoFormatter.php
@@ -62,15 +62,13 @@ class DateTimeTimeAgoFormatter extends FormatterBase implements ContainerFactory
    *   The view mode.
    * @param array $third_party_settings
    *   Third party settings.
-   * @param string $settings_langcode
-   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Datetime\DateFormatter $date_formatter
    *   The date formatter service.
    * @param \Symfony\Component\HttpFoundation\Request $request
    *   The current request.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, DateFormatter $date_formatter, Request $request) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, DateFormatter $date_formatter, Request $request) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
 
     $this->dateFormatter = $date_formatter;
     $this->request = $request;
@@ -101,7 +99,6 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
-      $configuration['settings_langcode'],
       $container->get('date.formatter'),
       $container->get('request_stack')->getCurrentRequest()
     );
diff --git a/core/modules/image/src/Plugin/Field/FieldFormatter/ImageFormatter.php b/core/modules/image/src/Plugin/Field/FieldFormatter/ImageFormatter.php
index d5fa94b..5f15073 100644
--- a/core/modules/image/src/Plugin/Field/FieldFormatter/ImageFormatter.php
+++ b/core/modules/image/src/Plugin/Field/FieldFormatter/ImageFormatter.php
@@ -70,15 +70,13 @@ class ImageFormatter extends ImageFormatterBase implements ContainerFactoryPlugi
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings settings.
-   * @param string $settings_langcode
-   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Session\AccountInterface $current_user
    *   The current user.
    * @param \Drupal\Core\Utility\LinkGeneratorInterface $link_generator
    *   The link generator service.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, AccountInterface $current_user, LinkGeneratorInterface $link_generator, EntityStorageInterface $image_style_storage) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, AccountInterface $current_user, LinkGeneratorInterface $link_generator, EntityStorageInterface $image_style_storage) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
     $this->currentUser = $current_user;
     $this->linkGenerator = $link_generator;
     $this->imageStyleStorage = $image_style_storage;
@@ -96,7 +94,6 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
-      $configuration['settings_langcode'],
       $container->get('current_user'),
       $container->get('link_generator'),
       $container->get('entity.manager')->getStorage('image_style')
diff --git a/core/modules/link/src/Plugin/Field/FieldFormatter/LinkFormatter.php b/core/modules/link/src/Plugin/Field/FieldFormatter/LinkFormatter.php
index 5cf1565..eb3804a 100644
--- a/core/modules/link/src/Plugin/Field/FieldFormatter/LinkFormatter.php
+++ b/core/modules/link/src/Plugin/Field/FieldFormatter/LinkFormatter.php
@@ -53,7 +53,6 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
-      $configuration['settings_langcode'],
       $container->get('path.validator')
     );
   }
@@ -75,13 +74,11 @@ public static function create(ContainerInterface $container, array $configuratio
    *   The view mode.
    * @param array $third_party_settings
    *   Third party settings.
-   * @param string $settings_langcode
-   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Path\PathValidatorInterface $path_validator
    *   The path validator service.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, PathValidatorInterface $path_validator) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, PathValidatorInterface $path_validator) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
     $this->pathValidator = $path_validator;
   }
 
diff --git a/core/modules/responsive_image/src/Plugin/Field/FieldFormatter/ResponsiveImageFormatter.php b/core/modules/responsive_image/src/Plugin/Field/FieldFormatter/ResponsiveImageFormatter.php
index 6e8bf69..3620501 100644
--- a/core/modules/responsive_image/src/Plugin/Field/FieldFormatter/ResponsiveImageFormatter.php
+++ b/core/modules/responsive_image/src/Plugin/Field/FieldFormatter/ResponsiveImageFormatter.php
@@ -59,15 +59,13 @@ class ResponsiveImageFormatter extends ImageFormatterBase implements ContainerFa
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings.
-   * @param string $settings_langcode
-   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Entity\EntityStorageInterface $responsive_image_style_storage
    *   The responsive image style storage.
    * @param \Drupal\Core\Entity\EntityStorageInterface $image_style_storage
    *   The image style storage.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, EntityStorageInterface $responsive_image_style_storage, EntityStorageInterface $image_style_storage) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, EntityStorageInterface $responsive_image_style_storage, EntityStorageInterface $image_style_storage) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
 
     $this->responsiveImageStyleStorage = $responsive_image_style_storage;
     $this->imageStyleStorage = $image_style_storage;
@@ -85,7 +83,6 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
-      $configuration['settings_langcode'],
       $container->get('entity.manager')->getStorage('responsive_image_style'),
       $container->get('entity.manager')->getStorage('image_style')
     );
diff --git a/core/modules/views/src/Entity/Render/EntityFieldRenderer.php b/core/modules/views/src/Entity/Render/EntityFieldRenderer.php
index 7146fff..94201c4 100644
--- a/core/modules/views/src/Entity/Render/EntityFieldRenderer.php
+++ b/core/modules/views/src/Entity/Render/EntityFieldRenderer.php
@@ -196,7 +196,6 @@ protected function buildFields(array $values) {
 
     if ($values && ($field_ids = $this->getRenderableFieldIds())) {
       $entity_type_id = $this->getEntityTypeId();
-      // @todo could use double-check from dawehner / plach :-)
       $settings_langcode = $this->view->storage->language()->getId();
 
       // Collect the entities for the relationship, fetch the right translation,
diff --git a/core/modules/views/src/Plugin/views/field/Field.php b/core/modules/views/src/Plugin/views/field/Field.php
index 7677814..de15ef0 100644
--- a/core/modules/views/src/Plugin/views/field/Field.php
+++ b/core/modules/views/src/Plugin/views/field/Field.php
@@ -470,14 +470,14 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     $format = $this->options['type'];
 
     $settings = $this->options['settings'] + $this->formatterPluginManager->getDefaultSettings($format);
+    $settings_langcode = $this->view->storage->language()->getId();
+    $settings['settings_langcode'] = $settings_langcode;
 
     $options = array(
       'field_definition' => $field,
       'configuration' => array(
         'type' => $format,
         'settings' => $settings,
-        // @todo could use double-check from dawehner / plach :-)
-        'settings_langcode' => $this->view->storage->language()->getId(),
         'label' => '',
         'weight' => 0,
       ),