diff --git a/core/lib/Drupal/Core/Field/FormatterBase.php b/core/lib/Drupal/Core/Field/FormatterBase.php
index 4c82458..c6835bb 100644
--- a/core/lib/Drupal/Core/Field/FormatterBase.php
+++ b/core/lib/Drupal/Core/Field/FormatterBase.php
@@ -62,8 +62,10 @@
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings.
+   * @param string $settings_langcode
+   *   The langcode associated to the settings passed above.
    */
-  public function __construct($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, $settings_langcode) {
     parent::__construct(array(), $plugin_id, $plugin_definition);
 
     $this->fieldDefinition = $field_definition;
diff --git a/core/lib/Drupal/Core/Field/FormatterPluginManager.php b/core/lib/Drupal/Core/Field/FormatterPluginManager.php
index 8137e1d..882a2ac 100644
--- a/core/lib/Drupal/Core/Field/FormatterPluginManager.php
+++ b/core/lib/Drupal/Core/Field/FormatterPluginManager.php
@@ -61,6 +61,9 @@ public function createInstance($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 ?
+    $configuration += ['settings_langcode' => NULL];
+
     // @todo This is copied from \Drupal\Core\Plugin\Factory\ContainerFactory.
     //   Find a way to restore sanity to
     //   \Drupal\Core\Field\FormatterBase::__construct().
@@ -69,10 +72,7 @@ public function createInstance($plugin_id, array $configuration = array()) {
       return $plugin_class::create(\Drupal::getContainer(), $configuration, $plugin_id, $plugin_definition);
     }
 
-    // Make sure that the settings langcode is set but not persistent.
-    $settings_langcode = isset($configuration['settings_langcode']) ? $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'], $settings_langcode);
+    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']);
   }
 
   /**
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 1328f65..b15a734 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 +52,15 @@ class EntityReferenceEntityFormatter extends EntityReferenceFormatterBase implem
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings settings.
+   * @param string $settings_langcode
+   *   The langcode associated to the settings passed above.
    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
    *   The entity manager.
    * @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, LoggerChannelFactoryInterface $logger_factory) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($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);
     $this->loggerFactory = $logger_factory;
   }
 
@@ -74,6 +76,7 @@ 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 3b43147..69e30e0 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/LanguageFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/LanguageFormatter.php
@@ -52,13 +52,15 @@ class LanguageFormatter extends StringFormatter {
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings settings.
+   * @param string $settings_langcode
+   *   The langcode associated to 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, EntityManagerInterface $entity_manager, LanguageManagerInterface $language_manager) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $entity_manager);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, EntityManagerInterface $entity_manager, LanguageManagerInterface $language_manager) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode, $entity_manager);
 
     $this->languageManager = $language_manager;
   }
@@ -75,6 +77,7 @@ 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/StringFormatter.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php
index 6276f95..4974699 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php
@@ -52,11 +52,13 @@ class StringFormatter extends FormatterBase implements ContainerFactoryPluginInt
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings settings.
+   * @param string $settings_langcode
+   *   The langcode associated to 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, EntityManagerInterface $entity_manager) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($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);
 
     $this->entityManager = $entity_manager;
   }
@@ -73,6 +75,7 @@ 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 04f96fa..f68c12d 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampAgoFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampAgoFormatter.php
@@ -53,11 +53,13 @@ class TimestampAgoFormatter extends FormatterBase implements ContainerFactoryPlu
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings.
+   * @param string $settings_langcode
+   *   The langcode associated to the settings passed above.
    * @param \Drupal\Core\Datetime\DateFormatter $date_formatter
    *   The date formatter service.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, DateFormatter $date_formatter) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_mangcode, DateFormatter $date_formatter) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_mangcode);
 
     $this->dateFormatter = $date_formatter;
   }
@@ -75,6 +77,7 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
+      $configuration['settings_mangcode'],
       $container->get('date.formatter')
     );
   }
diff --git a/core/modules/comment/src/Plugin/Field/FieldFormatter/CommentDefaultFormatter.php b/core/modules/comment/src/Plugin/Field/FieldFormatter/CommentDefaultFormatter.php
index fbca55b..7b4149d 100644
--- a/core/modules/comment/src/Plugin/Field/FieldFormatter/CommentDefaultFormatter.php
+++ b/core/modules/comment/src/Plugin/Field/FieldFormatter/CommentDefaultFormatter.php
@@ -95,6 +95,7 @@ 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')
@@ -118,6 +119,8 @@ public static function create(ContainerInterface $container, array $configuratio
    *   The view mode.
    * @param array $third_party_settings
    *   Third party settings.
+   * @param string $settings_langcode
+   *   The langcode associated to the settings passed above.
    * @param \Drupal\Core\Session\AccountInterface $current_user
    *   The current user.
    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
@@ -125,8 +128,8 @@ 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, AccountInterface $current_user, EntityManagerInterface $entity_manager, EntityFormBuilderInterface $entity_form_builder) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($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);
     $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/DateTimeDefaultFormatter.php b/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeDefaultFormatter.php
index a7cb32a..9019449 100644
--- a/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeDefaultFormatter.php
+++ b/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeDefaultFormatter.php
@@ -70,13 +70,15 @@ public static function defaultSettings() {
    *   The view mode.
    * @param array $third_party_settings
    *   Third party settings.
+   * @param string $settings_langcode
+   *   The langcode associated to the settings passed above.
    * @param \Drupal\Core\Datetime\DateFormatter $date_formatter
    *   The date formatter service.
    * @param \Drupal\Core\Entity\EntityStorageInterface $date_storage
    *   The date storage.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, DateFormatter $date_formatter, EntityStorageInterface $date_storage) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, DateFormatter $date_formatter, EntityStorageInterface $date_storage) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
 
     $this->dateFormatter = $date_formatter;
     $this->dateStorage = $date_storage;
@@ -94,6 +96,7 @@ 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/field_ui/src/Form/EntityViewDisplayEditForm.php b/core/modules/field_ui/src/Form/EntityViewDisplayEditForm.php
index c75a13a..527191e 100644
--- a/core/modules/field_ui/src/Form/EntityViewDisplayEditForm.php
+++ b/core/modules/field_ui/src/Form/EntityViewDisplayEditForm.php
@@ -100,7 +100,7 @@ protected function getPlugin(FieldDefinitionInterface $field_definition, $config
 
     if ($configuration && $configuration['type'] != 'hidden') {
       // Carry the language to the formatter.
-      $configuration['settings_langcode'] = $this->entity->language()->id();
+      $configuration['settings_langcode'] = $this->entity->language()->getId();
 
       $plugin = $this->pluginManager->getInstance(array(
         'field_definition' => $field_definition,
diff --git a/core/modules/image/src/Plugin/Field/FieldFormatter/ImageFormatter.php b/core/modules/image/src/Plugin/Field/FieldFormatter/ImageFormatter.php
index 294c561..cb5272e 100644
--- a/core/modules/image/src/Plugin/Field/FieldFormatter/ImageFormatter.php
+++ b/core/modules/image/src/Plugin/Field/FieldFormatter/ImageFormatter.php
@@ -70,13 +70,15 @@ class ImageFormatter extends ImageFormatterBase implements ContainerFactoryPlugi
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings settings.
+   * @param string $settings_langcode
+   *   The langcode associated to 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, AccountInterface $current_user, LinkGeneratorInterface $link_generator, EntityStorageInterface $image_style_storage) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($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);
     $this->currentUser = $current_user;
     $this->linkGenerator = $link_generator;
     $this->imageStyleStorage = $image_style_storage;
@@ -94,6 +96,7 @@ 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 23f18b1..09d7230 100644
--- a/core/modules/link/src/Plugin/Field/FieldFormatter/LinkFormatter.php
+++ b/core/modules/link/src/Plugin/Field/FieldFormatter/LinkFormatter.php
@@ -53,6 +53,7 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
+      $configuration['settings_langcode'],
       $container->get('path.validator')
     );
   }
@@ -74,11 +75,13 @@ public static function create(ContainerInterface $container, array $configuratio
    *   The view mode.
    * @param array $third_party_settings
    *   Third party settings.
+   * @param string $settings_langcode
+   *   The langcode associated to 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, PathValidatorInterface $path_validator) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($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);
     $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 64d0b7e..dd98bd3 100644
--- a/core/modules/responsive_image/src/Plugin/Field/FieldFormatter/ResponsiveImageFormatter.php
+++ b/core/modules/responsive_image/src/Plugin/Field/FieldFormatter/ResponsiveImageFormatter.php
@@ -59,13 +59,15 @@ class ResponsiveImageFormatter extends ImageFormatterBase implements ContainerFa
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings.
+   * @param string $settings_langcode
+   *   The langcode associated to 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, EntityStorageInterface $responsive_image_style_storage, EntityStorageInterface $image_style_storage) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($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);
 
     $this->responsiveImageStyleStorage = $responsive_image_style_storage;
     $this->imageStyleStorage = $image_style_storage;
@@ -83,6 +85,7 @@ 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 812954d..d35c946 100644
--- a/core/modules/views/src/Entity/Render/EntityFieldRenderer.php
+++ b/core/modules/views/src/Entity/Render/EntityFieldRenderer.php
@@ -192,7 +192,7 @@ 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()->id();
+      $settings_langcode = $this->view->storage->language()->getId();
 
       // Collect the entities for the relationship, fetch the right translation,
       // and group by bundle. For each result row, the corresponding entity can