Update to Drupal 8.2.0. For more information, see https://www.drupal.org/project/drupal/releases/8.2.0

core/modules/system/system.routing.yml

@@ -397,6 +397,13 @@ system.theme_settings_theme:
   requirements:
     _access: 'TRUE'
 
+'<nolink>':
+  path: ''
+  options:
+    _no_path: TRUE
+  requirements:
+    _access: 'TRUE'
+
 '<current>':
   path: '<current>'
 
@@ -416,6 +423,14 @@ system.modules_uninstall_confirm:
   requirements:
     _permission: 'administer modules'
 
+system.prepare_modules_entity_uninstall:
+  path: '/admin/modules/uninstall/entity/{entity_type_id}'
+  defaults:
+    _form: '\Drupal\system\Form\PrepareModulesEntityUninstallForm'
+    _title_callback: '\Drupal\system\Form\PrepareModulesEntityUninstallForm::formTitle'
+  requirements:
+    _permission: 'administer modules'
+
 system.timezone:
   path: '/system/timezone/{abbreviation}/{offset}/{is_daylight_saving_time}'
   defaults:
@@ -485,3 +500,10 @@ system.entity_autocomplete:
     _controller: '\Drupal\system\Controller\EntityAutocompleteController::handleAutocomplete'
   requirements:
     _access: 'TRUE'
+
+system.csrftoken:
+  path: '/session/token'
+  defaults:
+    _controller: '\Drupal\system\Controller\CsrfTokenController::csrfToken'
+  requirements:
+    _access: 'TRUE'