diff --git a/core/modules/content_translation/content_translation.admin.inc b/core/modules/content_translation/content_translation.admin.inc
index 13c81eb..b587db0 100644
--- a/core/modules/content_translation/content_translation.admin.inc
+++ b/core/modules/content_translation/content_translation.admin.inc
@@ -88,6 +88,8 @@ function _content_translation_form_language_content_settings_form_alter(array &$
       // entity might have fields and if there are fields to translate.
       if ($entity_type->isFieldable()) {
         $fields = $entity_manager->getFieldDefinitions($entity_type_id, $bundle);
+        $translation_metadata = content_translation_entity_field_info($entity_type);
+
         if ($fields) {
           $form['settings'][$entity_type_id][$bundle]['translatable'] = array(
             '#type' => 'checkbox',
@@ -122,8 +124,9 @@ function _content_translation_form_language_content_settings_form_alter(array &$
             // Instead we need to rely on field definitions to determine whether
             // fields support translation. Whether they are actually enabled is
             // determined through our settings. As a consequence only fields
-            // that support translation can be enabled or disabled.
-            elseif (isset($field_settings[$field_name]) || $definition->isTranslatable()) {
+            // that support translation can be enabled or disabled. We skip
+            // our own fields as they are always translatable.
+            elseif (isset($field_settings[$field_name]) || (!isset($translation_metadata['definitions'][$field_name]) && $definition->isTranslatable())) {
               $form['settings'][$entity_type_id][$bundle]['fields'][$field_name] = array(
                 '#label' => $definition->getLabel(),
                 '#type' => 'checkbox',
diff --git a/core/modules/content_translation/content_translation.module b/core/modules/content_translation/content_translation.module
index ba0022b..2078cb7 100644
--- a/core/modules/content_translation/content_translation.module
+++ b/core/modules/content_translation/content_translation.module
@@ -9,6 +9,7 @@
 use Drupal\Core\Entity\ContentEntityInterface;
 use Drupal\Core\Entity\EntityFormControllerInterface;
 use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Field\FieldDefinition;
 use Drupal\Core\Language\Language;
 use Drupal\Core\Session\AccountInterface;
 use Drupal\Core\TypedData\TranslatableInterface;
@@ -170,6 +171,56 @@ function content_translation_entity_field_info_alter(&$info, $entity_type) {
 }
 
 /**
+ * Implements hook_entity_field_info().
+ */
+function content_translation_entity_field_info($entity_type) {
+  if (content_translation_enabled($entity_type)) {
+    $info = array();
+
+    $info['definitions']['translation_source'] = FieldDefinition::create('language')
+      ->setLabel(t('Translation source'))
+      ->setDescription(t('The source language from which this translation was created.'))
+      ->setTranslatable(TRUE);
+
+
+    $info['definitions']['translation_outdated'] = FieldDefinition::create('boolean')
+      ->setLabel(t('Translation outdated'))
+      ->setDescription(t('A boolean indicating whether this translation needs to be updated.'))
+      ->setTranslatable(TRUE);
+
+    $info['definitions']['translation_uid'] = FieldDefinition::create('entity_reference')
+      ->setLabel(t('Translation author id'))
+      ->setDescription(t('The author of this translation.'))
+      ->setSettings(array(
+        'target_type' => 'user',
+        'default_value' => 0,
+      ))
+      ->setTranslatable(TRUE);
+
+    $info['definitions']['translation_status'] = FieldDefinition::create('boolean')
+      ->setLabel(t('Translation status'))
+      ->setDescription(t('A boolean indicating whether the translation is visible to non-translators.'))
+      ->setSettings(array(
+        'default_value' => 1,
+      ))
+      ->setTranslatable(TRUE);
+
+    $info['definitions']['translation_created'] = FieldDefinition::create('integer')
+      ->setLabel(t('Translation created time'))
+      ->setDescription(t('The Unix timestamp when the translation was created.'))
+      ->setTranslatable(TRUE);
+
+    $info['definitions']['translation_changed'] = FieldDefinition::create('integer')
+      ->setLabel(t('Translation changed time'))
+      ->setDescription(t('The Unix timestamp when the translation was most recently saved.'))
+      ->setPropertyConstraints('value', array('EntityChanged' => array()))
+      ->setTranslatable(TRUE);
+
+    return $info;
+  }
+}
+
+/**
  * Implements hook_entity_operation_alter().
  */
 function content_translation_entity_operation_alter(array &$operations, \Drupal\Core\Entity\EntityInterface $entity) {
@@ -299,7 +350,11 @@ function content_translation_view_access(EntityInterface $entity, $langcode, Acc
   if ($entity_type->getPermissionGranularity() == 'bundle') {
     $permission = "translate {$entity->bundle()} $entity_type_id";
   }
-  return !empty($entity->translation[$langcode]['status']) || user_access('translate any entity', $account) || user_access($permission, $account);
+  if (!isset($account)) {
+    $account = \Drupal::currentUser();
+  }
+  $status = $entity instanceof ContentEntityInterface ? !empty($entity->getTranslation($langcode)->translation_status->value) : FALSE;
+  return $status || $account->hasPermission('translate any entity') || $account->hasPermission($permission);
 }
 
 /**
@@ -450,17 +505,19 @@ function content_translation_enabled($entity_type, $bundle = NULL) {
  *
  * @param string $entity_type_id
  *   The type of the entity being translated.
+ * @param \Drupal\Core\Session\AccountInterface $account
+ *   The user who is translating the entity.
  *
  * @return \Drupal\content_translation\ContentTranslationControllerInterface
  *   An instance of the content translation controller interface.
  *
  * @todo Move to \Drupal\content_translation\ContentTranslationManager.
  */
-function content_translation_controller($entity_type_id) {
+function content_translation_controller($entity_type_id, AccountInterface $account = NULL) {
   $entity_type = \Drupal::entityManager()->getDefinition($entity_type_id);
   // @todo Throw an exception if the key is missing.
   $class = $entity_type->getControllerClass('translation');
-  return new $class($entity_type);
+  return new $class($entity_type, $account);
 }
 
 /**
@@ -629,16 +686,19 @@ function content_translation_load_translation_metadata(array $entities, $entity_
   $query = 'SELECT * FROM {content_translation} te WHERE te.entity_type = :entity_type AND te.entity_id IN (:entity_id)';
   $result = db_query($query, array(':entity_type' => $entity_type, ':entity_id' => array_keys($entities)));
   $exclude = array('entity_type', 'entity_id', 'langcode');
+
   foreach ($result as $record) {
     $entity = $entities[$record->entity_id];
-    // @todo Declare these as entity (translation?) properties.
-    foreach ($record as $field_name => $value) {
-      if (!in_array($field_name, $exclude)) {
+
+    foreach ($record as $key => $value) {
+      if (!in_array($key, $exclude)) {
         $langcode = $record->langcode;
-        $entity->translation[$langcode][$field_name] = $value;
         if (!$entity->hasTranslation($langcode)) {
           $entity->initTranslation($langcode);
         }
+        $name = 'translation_' . $key;
+        $item = $entity->getTranslation($langcode)->get($name);
+        $item->{$item[0]->getMainPropertyName()} = $value;
       }
     }
   }
@@ -653,14 +713,26 @@ function content_translation_entity_insert(EntityInterface $entity) {
     return;
   }
 
+  $definitions = $entity->getPropertyDefinitions();
   $fields = array('entity_type', 'entity_id', 'langcode', 'source', 'outdated', 'uid', 'status', 'created', 'changed');
   $query = db_insert('content_translation')->fields($fields);
 
   foreach ($entity->getTranslationLanguages() as $langcode => $language) {
-    $translation = isset($entity->translation[$langcode]) ? $entity->translation[$langcode] : array();
+    $translation = $entity->getTranslation($langcode);
+
+    $record = array();
+    foreach ($fields as $key) {
+      $name = 'translation_' . $key;
+      if (isset($definitions[$name])) {
+        $item = $translation->get($name);
+        if (isset($item->value)) {
+          $record[$key] = $item->value;
+        }
+      }
+    }
 
-    $translation += array(
-      'source' => '',
+    $record += array(
+      'source' => Language::LANGCODE_NOT_SPECIFIED,
       'uid' => \Drupal::currentUser()->id(),
       'outdated' => FALSE,
       'status' => TRUE,
@@ -668,15 +740,14 @@ function content_translation_entity_insert(EntityInterface $entity) {
       'changed' => REQUEST_TIME,
     );
 
-    $translation['entity_type'] = $entity->getEntityTypeId();
-    $translation['entity_id'] = $entity->id();
-    $translation['langcode'] = $langcode;
+    $record['entity_type'] = $entity->getEntityTypeId();
+    $record['entity_id'] = $entity->id();
+    $record['langcode'] = $langcode;
 
     // Reorder values to match the schema.
     $values = array();
-    foreach ($fields as $field_name) {
-      $value = is_bool($translation[$field_name]) ? intval($translation[$field_name]) : $translation[$field_name];
-      $values[$field_name] = $value;
+    foreach ($fields as $key) {
+      $values[$key] = is_bool($record[$key]) ? intval($record[$key]) : $record[$key];
     }
     $query->values($values);
   }
@@ -807,11 +878,16 @@ function content_translation_field_info_alter(&$info) {
  * Implements hook_entity_presave().
  */
 function content_translation_entity_presave(EntityInterface $entity) {
-  if ($entity instanceof ContentEntityInterface && $entity->isTranslatable()) {
-    // @todo Avoid using request attributes once translation metadata become
-    //   regular fields.
-    $attributes = \Drupal::request()->attributes;
-    \Drupal::service('content_translation.synchronizer')->synchronizeFields($entity, $entity->language()->id, $attributes->get('source_langcode'));
+  if ($entity instanceof ContentEntityInterface && $entity->isTranslatable() && !$entity->isNew()) {
+    // If we are creating a new translation we need to use the source language
+    // as original language, since source values are the only ones available to
+    // compare against.
+    if (!isset($entity->original)) {
+      $entity->original = entity_load_unchanged($entity->entityType(), $entity->id());
+    }
+    $langcode = $entity->language()->id;
+    $source_langcode = !$entity->original->hasTranslation($langcode) ? $entity->translation_source->id : NULL;
+    \Drupal::service('content_translation.synchronizer')->synchronizeFields($entity, $langcode, $source_langcode);
   }
 }
 
diff --git a/core/modules/content_translation/content_translation.pages.inc b/core/modules/content_translation/content_translation.pages.inc
index bed50a0..018b629 100644
--- a/core/modules/content_translation/content_translation.pages.inc
+++ b/core/modules/content_translation/content_translation.pages.inc
@@ -66,7 +66,8 @@ function content_translation_overview(EntityInterface $entity) {
 
       if (isset($translations[$langcode])) {
         // Existing translation in the translation set: display status.
-        $source = isset($entity->translation[$langcode]['source']) ? $entity->translation[$langcode]['source'] : '';
+        $translation = $entity->getTranslation($langcode);
+        $source = isset($translation->translation_source) ? $translation->translation_source->value : Language::LANGCODE_NOT_SPECIFIED;
         $is_original = $langcode == $original;
         $label = $entity->getTranslation($langcode)->label();
         $link = isset($links->links[$langcode]['href']) ? $links->links[$langcode] : array('href' => $rel['canonical'], 'language' => $language);
@@ -90,10 +91,9 @@ function content_translation_overview(EntityInterface $entity) {
           $links['edit']['title'] = t('Edit');
         }
 
-        $translation = $entity->translation[$langcode];
-        $status = !empty($translation['status']) ? t('Published') : t('Not published');
+        $status = !empty($translation->translation_status->value) ? t('Published') : t('Not published');
         // @todo Add a theming function here.
-        $status = '<span class="status">' . $status . '</span>' . (!empty($translation['outdated']) ? ' <span class="marker">' . t('outdated') . '</span>' : '');
+        $status = '<span class="status">' . $status . '</span>' . (!empty($translation->translation_outdated->value) ? ' <span class="marker">' . t('outdated') . '</span>' : '');
 
         if ($is_original) {
           $language_name = t('<strong>@language_name (Original language)</strong>', array('@language_name' => $language_name));
diff --git a/core/modules/content_translation/lib/Drupal/content_translation/Access/ContentTranslationManageAccessCheck.php b/core/modules/content_translation/lib/Drupal/content_translation/Access/ContentTranslationManageAccessCheck.php
index f1c3ea5..b9b4904 100644
--- a/core/modules/content_translation/lib/Drupal/content_translation/Access/ContentTranslationManageAccessCheck.php
+++ b/core/modules/content_translation/lib/Drupal/content_translation/Access/ContentTranslationManageAccessCheck.php
@@ -45,7 +45,7 @@ public function access(Route $route, Request $request, AccountInterface $account
     if ($entity = $request->attributes->get($entity_type)) {
       $route_requirements = $route->getRequirements();
       $operation = $route_requirements['_access_content_translation_manage'];
-      $controller = content_translation_controller($entity_type);
+      $controller = content_translation_controller($entity_type, $account);
 
       // Load translation.
       $translations = $entity->getTranslationLanguages();
diff --git a/core/modules/content_translation/lib/Drupal/content_translation/ContentTranslationController.php b/core/modules/content_translation/lib/Drupal/content_translation/ContentTranslationController.php
index 4fc6c1e..e9159a3 100644
--- a/core/modules/content_translation/lib/Drupal/content_translation/ContentTranslationController.php
+++ b/core/modules/content_translation/lib/Drupal/content_translation/ContentTranslationController.php
@@ -10,6 +10,7 @@
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Entity\EntityTypeInterface;
 use Drupal\Core\Language\Language;
+use Drupal\Core\Session\AccountInterface;
 
 /**
  * Base class for content translation controllers.
@@ -31,14 +32,24 @@ class ContentTranslationController implements ContentTranslationControllerInterf
   protected $entityType;
 
   /**
+   * The user who is translating the entity.
+   *
+   * @var \Drupal\Core\Session\AccountInterface
+   */
+  protected $currentUser;
+
+  /**
    * Initializes an instance of the content translation controller.
    *
    * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
    *   The info array of the given entity type.
+   * @param \Drupal\Core\Session\AccountInterface $account
+   *   The user who is translating the entity.
    */
-  public function __construct(EntityTypeInterface $entity_type) {
+  public function __construct(EntityTypeInterface $entity_type, AccountInterface $account = NULL) {
     $this->entityTypeId = $entity_type->id();
     $this->entityType = $entity_type;
+    $this->currentUser = (empty($account)) ? \Drupal::currentUser() : $account;
   }
 
   /**
@@ -48,7 +59,7 @@ public function retranslate(EntityInterface $entity, $langcode = NULL) {
     $updated_langcode = !empty($langcode) ? $langcode : $entity->language()->id;
     $translations = $entity->getTranslationLanguages();
     foreach ($translations as $langcode => $language) {
-      $entity->translation[$langcode]['outdated'] = $langcode != $updated_langcode;
+      $entity->getTranslation($langcode)->translation_outdated->value = $langcode != $updated_langcode;
     }
   }
 
@@ -188,7 +199,7 @@ public function entityFormAlter(array &$form, array &$form_state, EntityInterfac
       );
 
       // A new translation is enabled by default.
-      $status = $new_translation || $entity->translation[$form_langcode]['status'];
+      $status = $new_translation || $entity->translation_status->value;
       // If there is only one published translation we cannot unpublish it,
       // since there would be nothing left to display.
       $enabled = TRUE;
@@ -196,8 +207,8 @@ public function entityFormAlter(array &$form, array &$form_state, EntityInterfac
         // A new translation is not available in the translation metadata, hence
         // it should count as one more.
         $published = $new_translation;
-        foreach ($entity->translation as $translation) {
-          $published += $translation['status'];
+        foreach ($entity->getTranslationLanguages() as $langcode => $language) {
+          $published += $entity->getTranslation($langcode)->translation_status->value;
         }
         $enabled = $published > 1;
       }
@@ -213,7 +224,7 @@ public function entityFormAlter(array &$form, array &$form_state, EntityInterfac
         '#disabled' => !$enabled,
       );
 
-      $translate = !$new_translation && $entity->translation[$form_langcode]['outdated'];
+      $translate = !$new_translation && $entity->translation_outdated->value;
       if (!$translate) {
         $form['content_translation']['retranslate'] = array(
           '#type' => 'checkbox',
@@ -234,10 +245,10 @@ public function entityFormAlter(array &$form, array &$form_state, EntityInterfac
       // Default to the anonymous user.
       $name = '';
       if ($new_translation) {
-        $name = \Drupal::currentUser()->getUsername();
+        $name = $this->currentUser->getUsername();
       }
-      elseif ($entity->translation[$form_langcode]['uid']) {
-        $name = user_load($entity->translation[$form_langcode]['uid'])->getUsername();
+      elseif ($entity->translation_uid->value) {
+        $name = $entity->translation_uid->entity->getUsername();
       }
       $form['content_translation']['name'] = array(
         '#type' => 'textfield',
@@ -248,7 +259,7 @@ public function entityFormAlter(array &$form, array &$form_state, EntityInterfac
         '#description' => t('Leave blank for %anonymous.', array('%anonymous' => \Drupal::config('user.settings')->get('anonymous'))),
       );
 
-      $date = $new_translation ? REQUEST_TIME : $entity->translation[$form_langcode]['created'];
+      $date = $new_translation ? REQUEST_TIME : $entity->translation_created->value;
       $form['content_translation']['created'] = array(
         '#type' => 'textfield',
         '#title' => t('Authored on'),
@@ -370,35 +381,22 @@ protected function addTranslatabilityClue(&$element) {
   public function entityFormEntityBuild($entity_type, EntityInterface $entity, array $form, array &$form_state) {
     $form_controller = content_translation_form_controller($form_state);
     $form_langcode = $form_controller->getFormLangcode($form_state);
-
-    if (!isset($entity->translation[$form_langcode])) {
-      $entity->translation[$form_langcode] = array();
-    }
     $values = isset($form_state['values']['content_translation']) ? $form_state['values']['content_translation'] : array();
-    $translation = &$entity->translation[$form_langcode];
 
-    // @todo Use the entity setter when all entities support multilingual
-    // properties.
-    $translation['uid'] = !empty($values['name']) && ($account = user_load_by_name($values['name'])) ? $account->id() : 0;
-    $translation['status'] = !empty($values['status']);
-    $translation['created'] = !empty($values['created']) ? strtotime($values['created']) : REQUEST_TIME;
-    $translation['changed'] = REQUEST_TIME;
+    $entity->translation_uid->target_id = !empty($values['name']) && ($account = user_load_by_name($values['name'])) ? $account->id() : 0;
+    $entity->translation_status->value = !empty($values['status']);
+    $entity->translation_created->value = !empty($values['created']) ? strtotime($values['created']) : REQUEST_TIME;
+    $entity->translation_changed->value = REQUEST_TIME;
 
     $source_langcode = $this->getSourceLangcode($form_state);
     if ($source_langcode) {
-      $translation['source'] = $source_langcode;
+      $entity->translation_source->value = $source_langcode;
     }
 
-    $translation['outdated'] = !empty($values['outdated']);
+    $entity->translation_outdated->value = !empty($values['outdated']);
     if (!empty($values['retranslate'])) {
       $this->retranslate($entity, $form_langcode);
     }
-
-    // Set contextual information that can be reused during the storage phase.
-    // @todo Remove this once translation metadata are converted to regular
-    //   fields.
-    $attributes = \Drupal::request()->attributes;
-    $attributes->set('source_langcode', $source_langcode);
   }
 
   /**
diff --git a/core/modules/content_translation/lib/Drupal/content_translation/Tests/ContentTranslationSyncImageTest.php b/core/modules/content_translation/lib/Drupal/content_translation/Tests/ContentTranslationSyncImageTest.php
index 3f990db..a33ff80 100644
--- a/core/modules/content_translation/lib/Drupal/content_translation/Tests/ContentTranslationSyncImageTest.php
+++ b/core/modules/content_translation/lib/Drupal/content_translation/Tests/ContentTranslationSyncImageTest.php
@@ -122,10 +122,6 @@ function testImageFieldSync() {
     $default_langcode = $this->langcodes[0];
     $langcode = $this->langcodes[1];
 
-    // Populate the required contextual values.
-    $attributes = $this->container->get('request')->attributes;
-    $attributes->set('source_langcode', $default_langcode);
-
     // Populate the test entity with some random initial values.
     $values = array(
       'name' => $this->randomName(),
@@ -193,6 +189,7 @@ function testImageFieldSync() {
 
     // Perform synchronization: the translation language is used as source,
     // while the default language is used as target.
+    $translation->translation_source->id = $default_langcode;
     $entity = $this->saveEntity($translation);
     $translation = $entity->getTranslation($langcode);
 
@@ -222,8 +219,6 @@ function testImageFieldSync() {
       'title' => $langcode . '_' . $removed_fid . '_' . $this->randomName(),
     );
     $translation->{$this->fieldName}->setValue(array_values($values[$langcode]));
-    // When updating an entity we do not have a source language defined.
-    $attributes->remove('source_langcode');
     $entity = $this->saveEntity($translation);
     $translation = $entity->getTranslation($langcode);
 
diff --git a/core/modules/content_translation/lib/Drupal/content_translation/Tests/ContentTranslationUITest.php b/core/modules/content_translation/lib/Drupal/content_translation/Tests/ContentTranslationUITest.php
index 0816fce..9a8636f 100644
--- a/core/modules/content_translation/lib/Drupal/content_translation/Tests/ContentTranslationUITest.php
+++ b/core/modules/content_translation/lib/Drupal/content_translation/Tests/ContentTranslationUITest.php
@@ -144,7 +144,7 @@ protected function doTestOutdatedStatus() {
         $this->drupalGet($path);
         $this->assertFieldByXPath('//input[@name="content_translation[retranslate]"]', FALSE, 'The retranslate flag is now shown.');
         $entity = entity_load($this->entityTypeId, $this->entityId, TRUE);
-        $this->assertFalse($entity->translation[$enabled_langcode]['outdated'], 'The "outdated" status has been correctly stored.');
+        $this->assertFalse($entity->getTranslation($enabled_langcode)->translation_outdated->value, 'The "outdated" status has been correctly stored.');
       }
     }
   }
@@ -162,7 +162,7 @@ protected function doTestPublishedStatus() {
         $edit = array('content_translation[status]' => FALSE);
         $this->drupalPostForm($langcode . '/' . $path, $edit, $this->getFormSubmitAction($entity));
         $entity = entity_load($this->entityTypeId, $this->entityId, TRUE);
-        $this->assertFalse($entity->translation[$langcode]['status'], 'The translation has been correctly unpublished.');
+        $this->assertFalse($entity->getTranslation($langcode)->translation_status->value, 'The translation has been correctly unpublished.');
       }
     }
 
@@ -196,8 +196,9 @@ protected function doTestAuthoringInfo() {
 
     $entity = entity_load($this->entityTypeId, $this->entityId, TRUE);
     foreach ($this->langcodes as $langcode) {
-      $this->assertEqual($entity->translation[$langcode]['uid'], $values[$langcode]['uid'], 'Translation author correctly stored.');
-      $this->assertEqual($entity->translation[$langcode]['created'], $values[$langcode]['created'], 'Translation date correctly stored.');
+      $translation = $entity->getTranslation($langcode);
+      $this->assertEqual($translation->translation_uid->target_id == $values[$langcode]['uid'], 'Translation author correctly stored.');
+      $this->assertEqual($translation->translation_created->value == $values[$langcode]['created'], 'Translation date correctly stored.');
     }
 
     // Try to post non valid values and check that they are rejected.
@@ -209,8 +210,9 @@ protected function doTestAuthoringInfo() {
     );
     $this->drupalPostForm($path, $edit, $this->getFormSubmitAction($entity));
     $this->assertTrue($this->xpath('//div[contains(@class, "error")]//ul'), 'Invalid values generate a list of form errors.');
-    $this->assertEqual($entity->translation[$langcode]['uid'], $values[$langcode]['uid'], 'Translation author correctly kept.');
-    $this->assertEqual($entity->translation[$langcode]['created'], $values[$langcode]['created'], 'Translation date correctly kept.');
+    $translation = $entity->getTranslation($langcode);
+    $this->assertEqual($translation->translation_uid->target_id == $values[$langcode]['uid'], 'Translation author correctly kept.');
+    $this->assertEqual($translation->translation_created->value == $values[$langcode]['created'], 'Translation date correctly kept.');
   }
 
   /**
diff --git a/core/modules/node/lib/Drupal/node/Tests/NodeTranslationUITest.php b/core/modules/node/lib/Drupal/node/Tests/NodeTranslationUITest.php
index 7ed9f14..1364e1a 100644
--- a/core/modules/node/lib/Drupal/node/Tests/NodeTranslationUITest.php
+++ b/core/modules/node/lib/Drupal/node/Tests/NodeTranslationUITest.php
@@ -133,7 +133,7 @@ protected function doTestPublishedStatus() {
         // The node is created as unpulished thus we switch to the published
         // status first.
         $status = !$index;
-        $this->assertEqual($status, $entity->translation[$langcode]['status'], 'The translation has been correctly unpublished.');
+        $this->assertEqual($status, $entity->getTranslation($langcode)->translation_status->value, 'The translation has been correctly unpublished.');
       }
     }
   }
@@ -164,8 +164,9 @@ protected function doTestAuthoringInfo() {
 
     $entity = entity_load($this->entityTypeId, $this->entityId, TRUE);
     foreach ($this->langcodes as $langcode) {
-      $this->assertEqual($entity->translation[$langcode]['uid'], $values[$langcode]['uid'], 'Translation author correctly stored.');
-      $this->assertEqual($entity->translation[$langcode]['created'], $values[$langcode]['created'], 'Translation date correctly stored.');
+      $translation = $entity->getTranslation($langcode);
+      $this->assertEqual($translation->translation_uid->target_id, $values[$langcode]['uid'], 'Translation author correctly stored.');
+      $this->assertEqual($translation->translation_created->value, $values[$langcode]['created'], 'Translation date correctly stored.');
     }
   }