only in patch2:
unchanged:
--- a/core/modules/migrate/src/Plugin/migrate/id_map/Sql.php
+++ b/core/modules/migrate/src/Plugin/migrate/id_map/Sql.php
@@ -971,14 +971,9 @@ protected function getMigrationPluginManager() {
    * {@inheritdoc}
    */
   public function getHighestId() {
-    array_filter(
-      $this->migration->getDestinationPlugin()->getIds(),
-      function (array $id) {
-        if ($id['type'] !== 'integer') {
-          throw new \LogicException('Cannot determine the highest migrated ID without an integer ID column');
-        }
-      }
-    );
+    if (array_search('integer', array_column($this->migration->getDestinationPlugin()->getIds(), 'type')) === FALSE) {
+      throw new \LogicException('Cannot determine the highest migrated ID without an integer ID column');
+    };
 
     // List of mapping tables to look in for the highest ID.
     $map_tables = [
only in patch2:
unchanged:
--- a/core/modules/migrate_drupal/migrate_drupal.module
+++ b/core/modules/migrate_drupal/migrate_drupal.module
@@ -5,6 +5,7 @@
  * Provides migration from other Drupal sites.
  */
 
+use Drupal\Core\Database\Connection;
 use Drupal\Core\Url;
 use Drupal\Core\Database\DatabaseExceptionWrapper;
 use Drupal\Core\Routing\RouteMatchInterface;
@@ -91,4 +92,82 @@ function migrate_drupal_migration_plugins_alter(&$definitions) {
     }
 
   }
+
+  $revision_translations = TRUE;
+  if ($revision_translations) {
+    $version = migrate_drupal_isMultilingualSource($definitions);
+    if ($version) {
+      $patterns = '/(d' . $version . '_node:)|(d' . $version . '_node_translation:)|(d' . $version . '_node_revision:)/';
+
+      foreach ($definitions as $key => &$definition) {
+        if (preg_match($patterns, $key)) {
+          unset($definitions[$key]);
+        }
+      }
+    }
+  }
+}
+
+/**
+ * @return bool
+ */
+function migrate_drupal_isMultilingualSource($definitions) {
+  $source_plugin = \Drupal::service('plugin.manager.migration')
+    ->createStubMigration($definitions['system_site'])
+    ->getSourcePlugin();
+  $connection = NULL;
+
+  try {
+    $connection = $source_plugin->getDatabase();
+  }
+  catch (RequirementsException $e) {
+    // It is possible the commerce_migrate is enabled to use the supplied
+    // plugins, but the migrations are not configured. In this case, the
+    // exported configurations are not available to swap out the default
+    // sql source key of 'migrate'.
+  }
+  if ($connection) {
+    // Get the Drupal version of the source database so it can be validated.
+    $version = (string) migrate_drupal_getLegacyDrupalVersion($connection);
+    $i18nTable = ($version === '6') ? 'i18nstring' : 'i18n_string';
+    if ($connection->schema()->tableExists($i18nTable)) {
+      return $version;
+    }
+  }
+}
+
+/**
+ * Determines what version of Drupal the source database contains.
+ *
+ * @param \Drupal\Core\Database\Connection $connection
+ *   The database connection object.
+ *
+ * @return string|false
+ *   A string representing the major branch of Drupal core (e.g. '6' for
+ *   Drupal 6.x), or FALSE if no valid version is matched.
+ */
+function migrate_drupal_getLegacyDrupalVersion(Connection $connection) {
+  // Don't assume because a table of that name exists, that it has the columns
+  // we're querying. Catch exceptions and report that the source database is
+  // not Drupal.
+  // Drupal 5/6/7 can be detected by the schema_version in the system table.
+  if ($connection->schema()->tableExists('system')) {
+    try {
+      $version_string = $connection
+        ->query('SELECT schema_version FROM {system} WHERE name = :module', [':module' => 'system'])
+        ->fetchField();
+      if ($version_string && $version_string[0] == '1') {
+        if ((int) $version_string >= 1000) {
+          $version_string = '5';
+        }
+        else {
+          $version_string = FALSE;
+        }
+      }
+    }
+    catch (\PDOException $e) {
+      $version_string = FALSE;
+    }
+  }
+  return $version_string ? substr($version_string, 0, 1) : FALSE;
 }