Update to Drupal 8.1.9. For more information, see https://www.drupal.org/project/drupal/releases/8.1.9

core/lib/Drupal/Core/Entity/Element/EntityAutocomplete.php

@@ -297,7 +297,7 @@ class EntityAutocomplete extends Textfield {
         $multiples[] = $name . ' (' . $id . ')';
       }
       $params['@id'] = $id;
-      $form_state->setError($element, t('Multiple entities match this reference; "%multiple". Specify the one you want by appending the id in parentheses, like "@value (@id)".', array('%multiple' => implode('", "', $multiples))));
+      $form_state->setError($element, t('Multiple entities match this reference; "%multiple". Specify the one you want by appending the id in parentheses, like "@value (@id)".', array('%multiple' => implode('", "', $multiples)) + $params));
     }
     else {
       // Take the one and only matching entity.

core/lib/Drupal/Core/Entity/EntityAccessCheck.php

@@ -17,13 +17,26 @@ class EntityAccessCheck implements AccessInterface {
    * Checks access to the entity operation on the given route.
    *
    * The value of the '_entity_access' key must be in the pattern
-   * 'entity_type.operation.' The entity type must match the {entity_type}
-   * parameter in the route pattern. This will check a node for 'update' access:
+   * 'entity_slug_name.operation.' For example, this will check a node for
+   * 'update' access:
    * @code
    * pattern: '/foo/{node}/bar'
    * requirements:
    *   _entity_access: 'node.update'
    * @endcode
+   * And this will check a dynamic entity type:
+   * @code
+   * example.route:
+   *   path: foo/{entity_type}/{example}
+   *   requirements:
+   *     _entity_access: example.update
+   *   options:
+   *     parameters:
+   *       example:
+   *         type: entity:{entity_type}
+   * @endcode
+   * @see \Drupal\Core\ParamConverter\EntityConverter
+   *
    * Available operations are 'view', 'update', 'create', and 'delete'.
    *
    * @param \Symfony\Component\Routing\Route $route

core/lib/Drupal/Core/Entity/Query/QueryInterface.php

@@ -31,7 +31,6 @@ interface QueryInterface extends AlterableInterface {
    *     ->condition('greetings', 'merhaba', '=', 'tr')
    *     ->condition('greetings.value', 'siema', '=', 'pl')
    *     ->execute();
-   *   $entity_ids = $query->execute();
    * @endcode
    *
    * @param $field

core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php

@@ -1543,6 +1543,7 @@ class SqlContentEntityStorage extends ContentEntityStorageBase implements SqlEnt
       $item_query = $this->database->select($table_name, 't', array('fetch' => \PDO::FETCH_ASSOC))
         ->fields('t')
         ->condition('entity_id', $row['entity_id'])
+        ->condition('deleted', 1)
         ->orderBy('delta');
 
       foreach ($item_query->execute() as $item_row) {
@@ -1581,10 +1582,12 @@ class SqlContentEntityStorage extends ContentEntityStorageBase implements SqlEnt
     $revision_id = $this->entityType->isRevisionable() ? $entity->getRevisionId() : $entity->id();
     $this->database->delete($table_name)
       ->condition('revision_id', $revision_id)
+      ->condition('deleted', 1)
       ->execute();
     if ($this->entityType->isRevisionable()) {
       $this->database->delete($revision_name)
         ->condition('revision_id', $revision_id)
+        ->condition('deleted', 1)
         ->execute();
     }
   }
@@ -1684,6 +1687,12 @@ class SqlContentEntityStorage extends ContentEntityStorageBase implements SqlEnt
    *   Whether the field has been already deleted.
    */
   protected function storageDefinitionIsDeleted(FieldStorageDefinitionInterface $storage_definition) {
+    // Configurable fields are marked for deletion.
+    if ($storage_definition instanceOf FieldStorageConfigInterface) {
+      return $storage_definition->isDeleted();
+    }
+    // For non configurable fields check whether they are still in the last
+    // installed schema repository.
     return !array_key_exists($storage_definition->getName(), $this->entityManager->getLastInstalledFieldStorageDefinitions($this->entityTypeId));
   }
 

core/lib/Drupal/Core/Entity/entity.api.php

@@ -1252,21 +1252,6 @@ function hook_ENTITY_TYPE_revision_delete(Drupal\Core\Entity\EntityInterface $en
   }
 }
 
-/**
- * Alter or execute an Drupal\Core\Entity\Query\EntityQueryInterface.
- *
- * @param \Drupal\Core\Entity\Query\QueryInterface $query
- *   Note the $query->altered attribute which is TRUE in case the query has
- *   already been altered once. This happens with cloned queries.
- *   If there is a pager, then such a cloned query will be executed to count
- *   all elements. This query can be detected by checking for
- *   ($query->pager && $query->count), allowing the driver to return 0 from
- *   the count query and disable the pager.
- */
-function hook_entity_query_alter(\Drupal\Core\Entity\Query\QueryInterface $query) {
-  // @todo: code example.
-}
-
 /**
  * Act on entities being assembled before rendering.
  *
@@ -1860,7 +1845,8 @@ function hook_entity_operation_alter(array &$operations, \Drupal\Core\Entity\Ent
  *
  * @param string $operation
  *   The operation to be performed. See
- *   \Drupal\Core\Access\AccessibleInterface::access() for possible values.
+ *   \Drupal\Core\Entity\EntityAccessControlHandlerInterface::fieldAccess()
+ *   for possible values.
  * @param \Drupal\Core\Field\FieldDefinitionInterface $field_definition
  *   The field definition.
  * @param \Drupal\Core\Session\AccountInterface $account
@@ -1871,6 +1857,8 @@ function hook_entity_operation_alter(array &$operations, \Drupal\Core\Entity\Ent
  *
  * @return \Drupal\Core\Access\AccessResultInterface
  *   The access result.
+ *
+ * @see \Drupal\Core\Entity\EntityAccessControlHandlerInterface::fieldAccess()
  */
 function hook_entity_field_access($operation, \Drupal\Core\Field\FieldDefinitionInterface $field_definition, \Drupal\Core\Session\AccountInterface $account, \Drupal\Core\Field\FieldItemListInterface $items = NULL) {
   if ($field_definition->getName() == 'field_of_interest' && $operation == 'edit') {