diff -u b/core/modules/language/src/EventSubscriber/ConfigSubscriber.php b/core/modules/language/src/EventSubscriber/ConfigSubscriber.php
--- b/core/modules/language/src/EventSubscriber/ConfigSubscriber.php
+++ b/core/modules/language/src/EventSubscriber/ConfigSubscriber.php
@@ -121,7 +121,7 @@
       // Trigger a container rebuild on the next request by invalidating it.
       ConfigurableLanguageManager::rebuildServices();
     }
-    elseif($saved_config->getName() == 'language.types' && $event->isChanged('negotiation')) {
+    elseif ($saved_config->getName() == 'language.types' && $event->isChanged('negotiation')) {
       // If the negotiation configuration changed the language negotiator and
       // the language path processor have to be reset so that they regenerate
       // the method instances and also sort them accordingly to the new config.
only in patch2:
unchanged:
--- a/core/modules/system/src/Tests/Update/UpdatePathRC1TestBaseFilledTest.php
+++ b/core/modules/system/src/Tests/Update/UpdatePathRC1TestBaseFilledTest.php
@@ -30,7 +30,6 @@ protected function setDatabaseDumpFiles() {
    * Tests that the content and configuration were properly updated.
    */
   public function testUpdatedSite() {
-    // @todo there are no updates to run.
     $this->runUpdates();
 
     $spanish = \Drupal::languageManager()->getLanguage('es');