diff --git a/core/modules/action/action.routing.yml b/core/modules/action/action.routing.yml
index f8d7bf2c74ac4f0bf52418949424c231f32b2ed8..09e14332cddd8f161bd9b241b2a7d0d81315b2e7 100644
--- a/core/modules/action/action.routing.yml
+++ b/core/modules/action/action.routing.yml
@@ -1,6 +1,7 @@
 action.admin:
   path: '/admin/config/system/actions'
   defaults:
+    _title: 'Actions'
     _entity_list: 'action'
   requirements:
     _permission: 'administer actions'
diff --git a/core/modules/aggregator/aggregator.module b/core/modules/aggregator/aggregator.module
index 726f2282a405b21643f2d0dcdaa291bab30e0e16..0f9f718b104939b3d5e0e2cfde353cf8a8e33355 100644
--- a/core/modules/aggregator/aggregator.module
+++ b/core/modules/aggregator/aggregator.module
@@ -119,13 +119,9 @@ function aggregator_menu() {
     'route_name' => 'aggregator.categories',
   );
   $items['aggregator/categories/%aggregator_category'] = array(
-    'title callback' => '_aggregator_category_title',
-    'title arguments' => array(2),
     'route_name' => 'aggregator.category_view',
   );
   $items['aggregator/sources/%aggregator_feed'] = array(
-    'title callback' => 'entity_page_label',
-    'title arguments' => array(2),
     'route_name' => 'aggregator.feed_view',
   );
   $items['admin/config/services/aggregator/edit/feed/%aggregator_feed'] = array(
@@ -148,19 +144,6 @@ function aggregator_menu() {
   return $items;
 }
 
-/**
- * Title callback: Returns a title for aggregator category pages.
- *
- * @param $category
- *   An aggregator category.
- *
- * @return
- *   A string with the aggregator category title.
- */
-function _aggregator_category_title($category) {
-  return $category->title;
-}
-
 /**
  * Implements hook_permission().
  */
diff --git a/core/modules/aggregator/aggregator.routing.yml b/core/modules/aggregator/aggregator.routing.yml
index e05c4d9c5329931cad9156067f8a84b9412d068f..bfcf7b3a9d04abf177dc6090edd7fb9b7f956706 100644
--- a/core/modules/aggregator/aggregator.routing.yml
+++ b/core/modules/aggregator/aggregator.routing.yml
@@ -10,6 +10,7 @@ aggregator.admin_settings:
   path: '/admin/config/services/aggregator/settings'
   defaults:
     _form: '\Drupal\aggregator\Form\SettingsForm'
+    _title: 'Settings'
   requirements:
     _permission: 'administer news feeds'
 
@@ -17,6 +18,7 @@ aggregator.feed_items_delete:
   path: '/admin/config/services/aggregator/remove/{aggregator_feed}'
   defaults:
     _entity_form: 'aggregator_feed.remove_items'
+    _title: 'Remove items'
   requirements:
     _permission: 'administer news feeds'
 
@@ -24,6 +26,7 @@ aggregator.feed_delete:
   path: '/admin/config/services/aggregator/delete/feed/{aggregator_feed}'
   defaults:
     _entity_form: 'aggregator_feed.delete'
+    _title: 'Delete feed'
   requirements:
     _permission: 'administer news feeds'
 
@@ -31,6 +34,7 @@ aggregator.feed_add:
   path: '/admin/config/services/aggregator/add/feed'
   defaults:
     _content: '\Drupal\aggregator\Controller\AggregatorController::feedAdd'
+    _title: 'Add feed'
   requirements:
     _permission: 'administer news feeds'
 
@@ -38,6 +42,7 @@ aggregator.feed_configure:
   path: '/aggregator/sources/{aggregator_feed}/configure'
   defaults:
     _entity_form: 'aggregator_feed.default'
+    _title: 'Configure'
   requirements:
     _permission: 'administer news feeds'
 
@@ -45,6 +50,7 @@ aggregator.feed_edit:
   path: '/admin/config/services/aggregator/edit/feed/{aggregator_feed}'
   defaults:
     _entity_form: 'aggregator_feed.default'
+    _title: 'Edit feed'
   requirements:
     _permission: 'administer news feeds'
 
@@ -52,6 +58,7 @@ aggregator.feed_refresh:
   path: '/admin/config/services/aggregator/update/{aggregator_feed}'
   defaults:
     _controller: '\Drupal\aggregator\Controller\AggregatorController::feedRefresh'
+    _title: 'Update items'
   requirements:
     _permission: 'administer news feeds'
 
@@ -59,6 +66,7 @@ aggregator.opml_add:
   path: '/admin/config/services/aggregator/add/opml'
   defaults:
     _form: '\Drupal\aggregator\Form\OpmlFeedAdd'
+    _title: 'Import OMPL'
   requirements:
     _permission: 'administer news feeds'
 
@@ -66,6 +74,7 @@ aggregator.feed_view:
   path: '/aggregator/sources/{aggregator_feed}'
   defaults:
     _content: '\Drupal\aggregator\Controller\AggregatorController::viewFeed'
+    _title_callback: '\Drupal\aggregator\Controller\AggregatorController::feedTitle'
   requirements:
     _permission: 'access news feeds'
 
@@ -73,6 +82,7 @@ aggregator.page_last:
   path: '/aggregator'
   defaults:
     _controller: '\Drupal\aggregator\Controller\AggregatorController::pageLast'
+    _title: 'Feed aggregator'
   requirements:
     _permission: 'access news feeds'
 
@@ -80,6 +90,7 @@ aggregator.sources:
   path: '/aggregator/sources'
   defaults:
     _content: '\Drupal\aggregator\Controller\AggregatorController::sources'
+    _title: 'Sources'
   requirements:
     _permission: 'access news feeds'
 
@@ -87,6 +98,7 @@ aggregator.categories:
   path: '/aggregator/categories'
   defaults:
     _content: '\Drupal\aggregator\Controller\AggregatorController::categories'
+    _title: 'Categories'
   requirements:
     _access_aggregator_categories: 'TRUE'
 
@@ -94,6 +106,7 @@ aggregator.category_view:
   path: '/aggregator/categories/{cid}'
   defaults:
     _content: '\Drupal\aggregator\Controller\AggregatorController::viewCategory'
+    _title_callback: '\Drupal\aggregator\Controller\AggregatorController::categoryTitle'
   requirements:
     _permission: 'access news feeds'
 
@@ -101,6 +114,7 @@ aggregator.category_edit:
   path: '/aggregator/categories/{cid}/configure'
   defaults:
     _form: '\Drupal\aggregator\Form\CategoryAdminForm'
+    _title: 'Configure'
   requirements:
     _permission: 'administer news feeds'
 
@@ -115,6 +129,7 @@ aggregator.category_delete:
   path: '/admin/config/services/aggregator/delete/category/{cid}'
   defaults:
     _form: '\Drupal\aggregator\Form\CategoryDeleteForm'
+    _title: 'Delete category'
   requirements:
     _permission: 'administer news feeds'
 
@@ -122,6 +137,7 @@ aggregator.category_add:
   path: '/admin/config/services/aggregator/add/category'
   defaults:
     _form: '\Drupal\aggregator\Form\CategoryAdminForm'
+    _title: 'Add category'
   requirements:
     _permission: 'administer news feeds'
 
@@ -129,6 +145,7 @@ aggregator.categorize_category_form:
   path: '/aggregator/categories/{cid}/categorize'
   defaults:
     _form: '\Drupal\aggregator\Form\CategorizeCategoryForm'
+    _title: 'Categorize'
   requirements:
     _permission: 'administer news feeds'
 
@@ -136,6 +153,7 @@ aggregator.categorize_feed_form:
   path: '/aggregator/sources/{aggregator_feed}/categorize'
   defaults:
     _form: '\Drupal\aggregator\Form\CategorizeFeedForm'
+    _title: 'Categorize'
   requirements:
     _permission: 'administer news feeds'
 
diff --git a/core/modules/aggregator/lib/Drupal/aggregator/Controller/AggregatorController.php b/core/modules/aggregator/lib/Drupal/aggregator/Controller/AggregatorController.php
index 1b85a8981ab05ba8b60777b41f87f8e6c86fd3f9..0a98fd0373991031af78ce6caeab60aae8d0a709 100644
--- a/core/modules/aggregator/lib/Drupal/aggregator/Controller/AggregatorController.php
+++ b/core/modules/aggregator/lib/Drupal/aggregator/Controller/AggregatorController.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\aggregator\Controller;
 
+use Drupal\Component\Utility\Xss;
 use Drupal\Core\Controller\ControllerBase;
 use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
 use Drupal\aggregator\CategoryStorageControllerInterface;
@@ -92,7 +93,6 @@ public function viewFeed(FeedInterface $aggregator_feed) {
     $items = $entity_manager->getStorageController('aggregator_item')->loadByFeed($aggregator_feed->id());
     // Print the feed items.
     $build = $this->buildPageList($items, $feed_source);
-    $build['#title'] = $aggregator_feed->label();
     return $build;
   }
 
@@ -106,10 +106,8 @@ public function viewFeed(FeedInterface $aggregator_feed) {
    *   The render array with list of items for the feed.
    */
   public function viewCategory($cid) {
-    $category = $this->categoryStorage->load($cid);
     $items = $this->entityManager()->getStorageController('aggregator_item')->loadByCategory($cid);
     $build = $this->buildPageList($items);
-    $build['#title'] = $category->title;
     return $build;
   }
 
@@ -384,4 +382,31 @@ public function opmlPage($cid = NULL) {
     return $response;
   }
 
+  /**
+   * Route title callback.
+   *
+   * @param \Drupal\aggregator\FeedInterface $aggregator_feed
+   *   The aggregator feed.
+   *
+   * @return string
+   *   The feed label.
+   */
+  public function feedTitle(FeedInterface $aggregator_feed) {
+    return Xss::filter($aggregator_feed->label());
+  }
+
+  /**
+   * Route title callback.
+   *
+   * @param int $cid
+   *   The category ID.
+   *
+   * @return string
+   *   The category label.
+   */
+  public function categoryTitle($cid) {
+    $category = $this->categoryStorage->load($cid);
+    return Xss::filter($category->title);
+  }
+
 }
diff --git a/core/modules/ban/ban.routing.yml b/core/modules/ban/ban.routing.yml
index dd8e5a0d0a231e4a877f78f0ed97500dca0a2098..2420dc000b16604a6a9a275b9215e34211ddfb0d 100644
--- a/core/modules/ban/ban.routing.yml
+++ b/core/modules/ban/ban.routing.yml
@@ -2,6 +2,7 @@ ban.admin_page:
   path: '/admin/config/people/ban/{default_ip}'
   defaults:
     _form: '\Drupal\ban\Form\BanAdmin'
+    _title: 'IP address bans'
     default_ip: ''
   requirements:
     _permission: 'ban IP addresses'
@@ -10,5 +11,6 @@ ban.delete:
   path: '/admin/config/people/ban/delete/{ban_id}'
   defaults:
     _form: '\Drupal\ban\Form\BanDelete'
+    _title: 'Delete IP address'
   requirements:
     _permission: 'ban IP addresses'
diff --git a/core/modules/block/block.routing.yml b/core/modules/block/block.routing.yml
index 9c5a380824e0d7dfd25a5cdfbd0c6e13c5fecae1..9e0226d1afaf813610484451b856928a8a7683c9 100644
--- a/core/modules/block/block.routing.yml
+++ b/core/modules/block/block.routing.yml
@@ -25,6 +25,7 @@ block.admin_display:
   path: '/admin/structure/block'
   defaults:
     _content: '\Drupal\block\Controller\BlockListController::listing'
+    _title: 'Block layout'
   requirements:
     _permission: 'administer blocks'
 
diff --git a/core/modules/book/book.routing.yml b/core/modules/book/book.routing.yml
index 1ce1e829e10128967db3b2562c5167498504ff44..9d941cc9076c7b7490ef98fe4046c3b3b59659f7 100644
--- a/core/modules/book/book.routing.yml
+++ b/core/modules/book/book.routing.yml
@@ -2,6 +2,7 @@ book.render:
   path: '/book'
   defaults:
     _content: '\Drupal\book\Controller\BookController::bookRender'
+    _title: 'Books'
   requirements:
     _permission: 'access content'
 
@@ -9,6 +10,7 @@ book.admin:
   path: '/admin/structure/book'
   defaults:
     _content: '\Drupal\book\Controller\BookController::adminOverview'
+    _title: 'Books'
   requirements:
     _permission: 'administer book outlines'
 
@@ -16,6 +18,7 @@ book.settings:
   path: '/admin/structure/book/settings'
   defaults:
     _form: '\Drupal\book\Form\BookSettingsForm'
+    _title: 'Books'
   requirements:
     _permission: 'administer site configuration'
 
@@ -31,6 +34,7 @@ book.outline:
   path: '/node/{node}/outline'
   defaults:
     _entity_form: 'node.book_outline'
+    _title: 'Outline'
   requirements:
     _permission: 'administer book outlines'
     _entity_access: 'node.view'
diff --git a/core/modules/comment/comment.routing.yml b/core/modules/comment/comment.routing.yml
index 46089bf96db8cdea27f63c0916ae9066682697f7..fcb8bab7feebf0c011e34d470a36ebe9229a5d8f 100644
--- a/core/modules/comment/comment.routing.yml
+++ b/core/modules/comment/comment.routing.yml
@@ -69,6 +69,7 @@ comment.bundle_list:
   path: '/admin/structure/comments'
   defaults:
     _content: 'Drupal\comment\Controller\AdminController::overviewBundles'
+    _title: 'Comment forms'
   requirements:
     _permission: 'administer comments'
 
diff --git a/core/modules/contact/contact.routing.yml b/core/modules/contact/contact.routing.yml
index f12d67e67eb66c10b9c0fab9a2a6034fa65343e7..3c2f8927d2e920ff7224ba895318986485f94cd4 100644
--- a/core/modules/contact/contact.routing.yml
+++ b/core/modules/contact/contact.routing.yml
@@ -10,6 +10,7 @@ contact.category_list:
   path: '/admin/structure/contact'
   defaults:
     _entity_list: 'contact_category'
+    _title: 'Contact form categories'
   requirements:
     _permission: 'administer contact forms'
 
@@ -25,6 +26,7 @@ contact.category_edit:
   path: '/admin/structure/contact/manage/{contact_category}'
   defaults:
     _entity_form: contact_category.edit
+    _title: 'Edit contact category'
   requirements:
     _entity_access: contact_category.update
 
diff --git a/core/modules/dblog/dblog.routing.yml b/core/modules/dblog/dblog.routing.yml
index 7fe8cab6c7da80ec069d9993c51fb5d135fb81ea..3bc115b25c2dd2973ef1bae927073cc35d26fbac 100644
--- a/core/modules/dblog/dblog.routing.yml
+++ b/core/modules/dblog/dblog.routing.yml
@@ -2,6 +2,7 @@ dblog.overview:
   path: '/admin/reports/dblog'
   defaults:
     _content: '\Drupal\dblog\Controller\DbLogController::overview'
+    _title: 'Recent log messages'
   requirements:
     _permission: 'access site reports'
 
@@ -9,6 +10,7 @@ dblog.event:
   path: '/admin/reports/event/{event_id}'
   defaults:
     _content: '\Drupal\dblog\Controller\DbLogController::eventDetails'
+    _title: 'Details'
   requirements:
     _permission: 'access site reports'
 
diff --git a/core/modules/entity/entity.routing.yml b/core/modules/entity/entity.routing.yml
index f390a6507032c155018e7be4af154411ceb2d8b9..747dc064f9a861a8a25b79d9180ca5d8782fc10c 100644
--- a/core/modules/entity/entity.routing.yml
+++ b/core/modules/entity/entity.routing.yml
@@ -2,6 +2,7 @@ entity.display_mode:
   path: '/admin/structure/display-modes'
   defaults:
     _content: '\Drupal\system\Controller\SystemController::systemAdminMenuBlockPage'
+    _title: 'Display modes'
   requirements:
     _permission: 'administer display modes'
 
@@ -9,6 +10,7 @@ entity.view_mode_list:
   path: '/admin/structure/display-modes/view'
   defaults:
     _entity_list: 'view_mode'
+    _title: 'View modes'
   requirements:
     _permission: 'administer display modes'
 
@@ -24,6 +26,7 @@ entity.view_mode_add_type:
   path: '/admin/structure/display-modes/view/add/{entity_type}'
   defaults:
     _entity_form: 'view_mode.add'
+    _title: 'Add view mode'
   requirements:
     _permission: 'administer display modes'
 
@@ -31,6 +34,7 @@ entity.view_mode_edit:
   path: '/admin/structure/display-modes/view/manage/{view_mode}'
   defaults:
     _entity_form: 'view_mode.edit'
+    _title: 'Edit view mode'
   requirements:
     _entity_access: 'view_mode.update'
 
@@ -38,6 +42,7 @@ entity.view_mode_delete:
   path: '/admin/structure/display-modes/view/manage/{view_mode}/delete'
   defaults:
     _entity_form: 'view_mode.delete'
+    _title: 'Delete view mode'
   requirements:
     _entity_access: 'view_mode.delete'
 
@@ -45,6 +50,7 @@ entity.form_mode_list:
   path: '/admin/structure/display-modes/form'
   defaults:
     _entity_list: 'form_mode'
+    _title: 'Form modes'
   requirements:
     _permission: 'administer display modes'
 
@@ -60,6 +66,7 @@ entity.form_mode_add_type:
   path: '/admin/structure/display-modes/form/add/{entity_type}'
   defaults:
     _entity_form: 'form_mode.add'
+    _title: 'Add form mode'
   requirements:
     _permission: 'administer display modes'
 
@@ -67,6 +74,7 @@ entity.form_mode_edit:
   path: '/admin/structure/display-modes/form/manage/{form_mode}'
   defaults:
     _entity_form: 'form_mode.edit'
+    _title: 'Edit form mode'
   requirements:
     _entity_access: 'form_mode.update'
 
@@ -74,5 +82,6 @@ entity.form_mode_delete:
   path: '/admin/structure/display-modes/form/manage/{form_mode}/delete'
   defaults:
     _entity_form: 'form_mode.delete'
+    _title: 'Delete form mode'
   requirements:
     _entity_access: 'form_mode.delete'
diff --git a/core/modules/field_ui/field_ui.routing.yml b/core/modules/field_ui/field_ui.routing.yml
index 636d534fe20ba64a9d3c646f6447c927d284ee4a..b8407707d8c85272c6ec8a3d93eb1ec1e76460b9 100644
--- a/core/modules/field_ui/field_ui.routing.yml
+++ b/core/modules/field_ui/field_ui.routing.yml
@@ -2,5 +2,6 @@ field_ui.list:
   path: '/admin/reports/fields'
   defaults:
     _entity_list: 'field_entity'
+    _title: 'Field list'
   requirements:
     _permission: 'administer content types'
diff --git a/core/modules/filter/filter.routing.yml b/core/modules/filter/filter.routing.yml
index 9bc6245f3493ed916bf95a3c1af3e6b7cae49c76..6dd8138ad9c4812a8abe278a8b17c118a51a4277 100644
--- a/core/modules/filter/filter.routing.yml
+++ b/core/modules/filter/filter.routing.yml
@@ -2,6 +2,7 @@ filter.tips_all:
   path: '/filter/tips'
   defaults:
     _content: '\Drupal\filter\Controller\FilterController::filterTips'
+    _title: 'Compose tips'
   requirements:
     _access: 'TRUE'
 
@@ -9,6 +10,7 @@ filter.tips:
   path: '/filter/tips/{filter_format}'
   defaults:
     _content: '\Drupal\filter\Controller\FilterController::filterTips'
+    _title: 'Compose tips'
   requirements:
     _entity_access: 'filter_format.view'
 
@@ -40,6 +42,7 @@ filter.admin_disable:
   path: '/admin/config/content/formats/manage/{filter_format}/disable'
   defaults:
     _entity_form: 'filter_format.disable'
+    _title: 'Disable text format'
   requirements:
     _filter_disable_format_access: 'TRUE'
     _permission: 'administer filters'
diff --git a/core/modules/forum/forum.routing.yml b/core/modules/forum/forum.routing.yml
index 9a2ac5faf6858a30c7d467e6d93ad0ad48791e4b..3a0b6b932c85d42d879ca390f1fcf557cb99935b 100644
--- a/core/modules/forum/forum.routing.yml
+++ b/core/modules/forum/forum.routing.yml
@@ -2,6 +2,7 @@ forum.delete:
   path: '/admin/structure/forum/delete/forum/{taxonomy_term}'
   defaults:
     _form: '\Drupal\forum\Form\DeleteForm'
+    _title: 'Delete forum'
   requirements:
     _permission: 'administer forums'
 
@@ -9,6 +10,7 @@ forum.settings:
   path: '/admin/structure/forum/settings'
   defaults:
     _form: '\Drupal\forum\ForumSettingsForm'
+    _title: 'Forums'
   requirements:
     _permission: 'administer forums'
 
@@ -16,6 +18,7 @@ forum.index:
   path: '/forum'
   defaults:
     _content: '\Drupal\forum\Controller\ForumController::forumIndex'
+    _title: 'Forums'
   requirements:
     _permission: 'access content'
 
@@ -30,6 +33,7 @@ forum.add_container:
   path: '/admin/structure/forum/add/container'
   defaults:
     _content: '\Drupal\forum\Controller\ForumController::addContainer'
+    _title: 'Add container'
   requirements:
     _permission: 'administer forums'
 
@@ -37,6 +41,7 @@ forum.add_forum:
   path: '/admin/structure/forum/add/forum'
   defaults:
     _content: '\Drupal\forum\Controller\ForumController::addForum'
+    _title: 'Add forum'
   requirements:
     _permission: 'administer forums'
 
@@ -44,6 +49,7 @@ forum.edit_container:
   path: '/admin/structure/forum/edit/container/{taxonomy_term}'
   defaults:
     _entity_form: 'taxonomy_term.container'
+    _title: 'Edit container'
   requirements:
     _permission: 'administer forums'
 
@@ -51,6 +57,7 @@ forum.edit_forum:
   path: '/admin/structure/forum/edit/forum/{taxonomy_term}'
   defaults:
     _entity_form: 'taxonomy_term.forum'
+    _title: 'Edit forum'
   requirements:
     _permission: 'administer forums'
 
@@ -58,5 +65,6 @@ forum.overview:
   path: '/admin/structure/forum'
   defaults:
     _form: '\Drupal\forum\Form\Overview'
+    _title: 'Forums'
   requirements:
     _permission: 'administer forums'
diff --git a/core/modules/help/help.routing.yml b/core/modules/help/help.routing.yml
index ee0991c3f3e42091fe691bc3a5b325470e2e1ee2..a393eb8c423d0148ace3abba33358894adfdacd4 100644
--- a/core/modules/help/help.routing.yml
+++ b/core/modules/help/help.routing.yml
@@ -2,6 +2,7 @@ help.main:
   path: '/admin/help'
   defaults:
     _content: '\Drupal\help\Controller\HelpController::helpMain'
+    _title: 'Help'
   requirements:
     _permission: 'access administration pages'
 
@@ -9,5 +10,6 @@ help.page:
   path: '/admin/help/{name}'
   defaults:
     _content: '\Drupal\help\Controller\HelpController::helpPage'
+    _title: 'Help'
   requirements:
     _permission: 'access administration pages'
diff --git a/core/modules/image/image.routing.yml b/core/modules/image/image.routing.yml
index ae5e88f03f204975d6cb7f5361669dc04702e826..cf358af5b809a2fdbb6574e76e21d472047e5a80 100644
--- a/core/modules/image/image.routing.yml
+++ b/core/modules/image/image.routing.yml
@@ -2,6 +2,7 @@ image.style_add:
   path: '/admin/config/media/image-styles/add'
   defaults:
     _entity_form: image_style.add
+    _title: 'Add image style'
   requirements:
     _permission: 'administer image styles'
 
@@ -9,6 +10,7 @@ image.style_edit:
   path: '/admin/config/media/image-styles/manage/{image_style}'
   defaults:
     _entity_form: image_style.edit
+    _title: 'Edit style'
   requirements:
     _permission: 'administer image styles'
 
@@ -32,6 +34,7 @@ image.effect_delete:
   path: '/admin/config/media/image-styles/manage/{image_style}/effects/{image_effect}/delete'
   defaults:
     _form: '\Drupal\image\Form\ImageEffectDeleteForm'
+    _title: 'Delete image effect'
   requirements:
     _permission: 'administer image styles'
 
@@ -39,6 +42,7 @@ image.style_list:
   path: '/admin/config/media/image-styles'
   defaults:
     _entity_list: 'image_style'
+    _title: 'Image styles'
   requirements:
     _permission: 'administer image styles'
 
@@ -53,6 +57,7 @@ image.effect_add_form:
   path: '/admin/config/media/image-styles/manage/{image_style}/add/{image_effect}'
   defaults:
     _form: '\Drupal\image\Form\ImageEffectAddForm'
+    _title: 'Add image effect'
   requirements:
     _permission: 'administer image styles'
 
@@ -60,5 +65,6 @@ image.effect_edit_form:
   path: '/admin/config/media/image-styles/manage/{image_style}/effects/{image_effect}'
   defaults:
     _form: '\Drupal\image\Form\ImageEffectEditForm'
+    _title: 'Edit image effect'
   requirements:
     _permission: 'administer image styles'
diff --git a/core/modules/language/language.routing.yml b/core/modules/language/language.routing.yml
index 3b76d565abd3bdb1e9bfcd9a60e7afe28f26710e..4308ae0a841cf080fd29e3b38f938cf148b20dc4 100644
--- a/core/modules/language/language.routing.yml
+++ b/core/modules/language/language.routing.yml
@@ -23,6 +23,7 @@ language.add:
   path: '/admin/config/regional/language/add'
   defaults:
     _entity_form: 'language_entity.add'
+    _title: 'Add language'
   requirements:
     _entity_create_access: 'language_entity'
 
@@ -38,6 +39,7 @@ language.admin_overview:
   path: '/admin/config/regional/language'
   defaults:
     _entity_list: 'language_entity'
+    _title: 'Languages'
   requirements:
     _permission: 'administer languages'
 
@@ -45,6 +47,7 @@ language.delete:
   path: '/admin/config/regional/language/delete/{language_entity}'
   defaults:
     _entity_form: 'language_entity.delete'
+    _title: 'Delete language'
   requirements:
     _entity_access: 'language_entity.delete'
 
diff --git a/core/modules/locale/locale.routing.yml b/core/modules/locale/locale.routing.yml
index cc60aecc744b20bbaf8abd773e96cd45358c314d..190ddf77db08daf9a74045c0b2f661bf22be50f2 100644
--- a/core/modules/locale/locale.routing.yml
+++ b/core/modules/locale/locale.routing.yml
@@ -2,6 +2,7 @@ locale.settings:
   path: '/admin/config/regional/translate/settings'
   defaults:
     _form: 'Drupal\locale\Form\LocaleSettingsForm'
+    _title: 'Settings'
   requirements:
     _permission: 'translate interface'
 
@@ -16,6 +17,7 @@ locale.translate_page:
   path: '/admin/config/regional/translate'
   defaults:
     _content: 'Drupal\locale\Controller\LocaleController::translatePage'
+    _title: 'User interface translation'
   requirements:
     _permission: 'translate interface'
 
diff --git a/core/modules/menu/lib/Drupal/menu/Controller/MenuController.php b/core/modules/menu/lib/Drupal/menu/Controller/MenuController.php
index 1ffac57cb8c8098bbdc73d63db0af2775f5d2ed3..bcf65dc48ff440fa41a9d2751bcd61c1f8e75f0d 100644
--- a/core/modules/menu/lib/Drupal/menu/Controller/MenuController.php
+++ b/core/modules/menu/lib/Drupal/menu/Controller/MenuController.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\menu\Controller;
 
+use Drupal\Component\Utility\Xss;
 use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
 use Drupal\Core\Entity\EntityManagerInterface;
 use Drupal\menu_link\MenuLinkStorageControllerInterface;
@@ -96,4 +97,17 @@ public function addLink(MenuInterface $menu) {
     return $this->entityManager->getForm($menu_link);
   }
 
+  /**
+   * Route title callback.
+   *
+   * @param \Drupal\system\MenuInterface $menu
+   *   The menu entity.
+   *
+   * @return string
+   *   The menu label.
+   */
+  public function menuTitle(MenuInterface $menu) {
+    return Xss::filter($menu->label());
+  }
+
 }
diff --git a/core/modules/menu/menu.routing.yml b/core/modules/menu/menu.routing.yml
index 25c1f537536104d2f7ea9d165db02b4deebf8b8e..f3f6e4bfe106030db107edb9f6d3493fef819480 100644
--- a/core/modules/menu/menu.routing.yml
+++ b/core/modules/menu/menu.routing.yml
@@ -2,6 +2,7 @@ menu.settings:
   path: '/admin/structure/menu/settings'
   defaults:
     _form: 'Drupal\menu\MenuSettingsForm'
+    _title: 'Menus'
   requirements:
     _permission: 'administer menu'
 
@@ -32,6 +33,7 @@ menu.link_edit:
   path: '/admin/structure/menu/item/{menu_link}/edit'
   defaults:
     _entity_form: 'menu_link'
+    _title: 'Edit menu link'
   requirements:
     _entity_access: 'menu_link.update'
 
@@ -39,6 +41,7 @@ menu.link_reset:
   path: '/admin/structure/menu/item/{menu_link}/reset'
   defaults:
     _entity_form: 'menu_link.reset'
+    _title: 'Reset menu link'
   requirements:
     _entity_access: 'menu_link.reset'
 
@@ -46,6 +49,7 @@ menu.link_delete:
   path: '/admin/structure/menu/item/{menu_link}/delete'
   defaults:
     _entity_form: 'menu_link.delete'
+    _title: 'Delete menu link'
   requirements:
     _entity_access: 'menu_link.delete'
 
@@ -53,6 +57,7 @@ menu.menu_add:
   path: '/admin/structure/menu/add'
   defaults:
     _entity_form: 'menu.add'
+    _title: 'Add menu'
   requirements:
     _entity_create_access: 'menu'
 
@@ -60,6 +65,7 @@ menu.menu_edit:
   path: '/admin/structure/menu/manage/{menu}'
   defaults:
     _entity_form: 'menu.edit'
+    _title_callback: '\Drupal\menu\Controller\MenuController::menuTitle'
   requirements:
     _entity_access: 'menu.update'
 
diff --git a/core/modules/node/node.pages.inc b/core/modules/node/node.pages.inc
index 0a010f93387f82bee59464410545ad0fe13f2c2f..deca292c079d4c0ec86b387bcfd45dcb529b5f71 100644
--- a/core/modules/node/node.pages.inc
+++ b/core/modules/node/node.pages.inc
@@ -182,7 +182,7 @@ function theme_node_preview($variables) {
  * @deprecated Use \Drupal\node\Controller\NodeController::revisionOverview()
  */
 function node_revision_overview($node) {
-  drupal_set_title(t('Revisions for %title', array('%title' => $node->label())), PASS_THROUGH);
+  $build['#title'] = t('Revisions for %title', array('%title' => $node->label()));
 
   $header = array(t('Revision'), t('Operations'));
 
diff --git a/core/modules/node/node.routing.yml b/core/modules/node/node.routing.yml
index 1cd8ec2b2d117ee3f68052262b1f7987251f96f0..b16080c5d3370a828bdada99ddd60cb812480d38 100644
--- a/core/modules/node/node.routing.yml
+++ b/core/modules/node/node.routing.yml
@@ -74,6 +74,7 @@ node.revision_revert_confirm:
   path: '/node/{node}/revisions/{node_revision}/revert'
   defaults:
     _form: '\Drupal\node\Form\NodeRevisionRevertForm'
+    _title: 'Revert to earlier revision'
   requirements:
     _access_node_revision: 'update'
 
@@ -81,6 +82,7 @@ node.revision_delete_confirm:
   path: '/node/{node}/revisions/{node_revision}/delete'
   defaults:
     _form: '\Drupal\node\Form\NodeRevisionDeleteForm'
+    _title: 'Delete earlier revision'
   requirements:
     _access_node_revision: 'delete'
 
@@ -97,6 +99,7 @@ node.type_add:
   path: '/admin/structure/types/add'
   defaults:
     _entity_form: 'node_type.add'
+    _title: 'Add content type'
   requirements:
     _permission: 'administer content types'
 
diff --git a/core/modules/path/path.routing.yml b/core/modules/path/path.routing.yml
index a6712e2c63ec04e1c31b8813aab926aadb69ba47..15607ca75217afc50503ff5bd1a6394d0a049a48 100644
--- a/core/modules/path/path.routing.yml
+++ b/core/modules/path/path.routing.yml
@@ -2,6 +2,7 @@ path.delete:
   path: '/admin/config/search/path/delete/{pid}'
   defaults:
     _form: '\Drupal\path\Form\DeleteForm'
+    _title: 'Delete alias'
   requirements:
     _permission: 'administer url aliases'
 
diff --git a/core/modules/picture/picture.routing.yml b/core/modules/picture/picture.routing.yml
index 4452c3fbd0678f108a6030b5a3f8f518169713de..11c2dcfd28d6b224376e61692a69357868b4aff7 100644
--- a/core/modules/picture/picture.routing.yml
+++ b/core/modules/picture/picture.routing.yml
@@ -2,6 +2,7 @@ picture.mapping_page:
   path: '/admin/config/media/picturemapping'
   defaults:
     _entity_list: 'picture_mapping'
+    _title: 'Picture mappings'
   requirements:
     _permission: 'administer pictures'
 
@@ -9,6 +10,7 @@ picture.mapping_page_add:
   path: '/admin/config/media/picturemapping/add'
   defaults:
     _entity_form: 'picture_mapping.add'
+    _title: 'Add picture mapping'
   requirements:
     _permission: 'administer pictures'
 
@@ -16,6 +18,7 @@ picture.mapping_page_edit:
   path: '/admin/config/media/picturemapping/{picture_mapping}'
   defaults:
     _entity_form: 'picture_mapping.edit'
+    _title: 'Edit picture mapping'
   requirements:
     _permission: 'administer pictures'
 
@@ -23,6 +26,7 @@ picture.mapping_page_duplicate:
   path: '/admin/config/media/picturemapping/{picture_mapping}/duplicate'
   defaults:
     _entity_form: 'picture_mapping.duplicate'
+    _title: 'Duplicate picture mapping'
   requirements:
     _permission: 'administer pictures'
 
diff --git a/core/modules/search/search.routing.yml b/core/modules/search/search.routing.yml
index 21e481e61261f8b030aa39e2bb1f3a83d400de4f..9502d77924f597949bc7f64978f85fa1c631512d 100644
--- a/core/modules/search/search.routing.yml
+++ b/core/modules/search/search.routing.yml
@@ -2,6 +2,7 @@ search.settings:
   path: '/admin/config/search/settings'
   defaults:
     _form: '\Drupal\search\Form\SearchSettingsForm'
+    _title: 'Search settings'
   requirements:
     _permission: 'administer search'
 
@@ -9,6 +10,7 @@ search.reindex_confirm:
   path: '/admin/config/search/settings/reindex'
   defaults:
     _form: '\Drupal\search\Form\ReindexConfirm'
+    _title: 'Clear index'
   requirements:
     _permission: 'administer search'
 
diff --git a/core/modules/shortcut/shortcut.admin.inc b/core/modules/shortcut/shortcut.admin.inc
index 95fc18dff4eb9f5a1249a07a44b7ba07240591cb..db98d3289494f9e6b62618646ac7bbed0efdc7b5 100644
--- a/core/modules/shortcut/shortcut.admin.inc
+++ b/core/modules/shortcut/shortcut.admin.inc
@@ -199,7 +199,7 @@ function shortcut_set_switch_submit($form, &$form_state) {
  * @deprecated Use \Drupal\shortcut\Form\ShortcutForm::add()
  */
 function shortcut_link_add($form, &$form_state, $shortcut_set) {
-  drupal_set_title(t('Add new shortcut'));
+  $form['#title'] = t('Add new shortcut');
   $form['shortcut_set'] = array(
     '#type' => 'value',
     '#value' => $shortcut_set,
@@ -228,7 +228,7 @@ function shortcut_link_add($form, &$form_state, $shortcut_set) {
  * @deprecated Use \Drupal\shortcut\Form\ShortcutForm::edit()
  */
 function shortcut_link_edit($form, &$form_state, $shortcut_link) {
-  drupal_set_title(t('Editing @shortcut', array('@shortcut' => $shortcut_link['link_title'])));
+  $form['#title'] = t('Editing @shortcut', array('@shortcut' => $shortcut_link['link_title']));
   $form['original_shortcut_link'] = array(
     '#type' => 'value',
     '#value' => $shortcut_link,
diff --git a/core/modules/shortcut/shortcut.routing.yml b/core/modules/shortcut/shortcut.routing.yml
index 34dbac181dab1a4326f84dd0886e9322727d6e86..abbe1e6eda1b4e58cf3dca3c600cae1bb7a98109 100644
--- a/core/modules/shortcut/shortcut.routing.yml
+++ b/core/modules/shortcut/shortcut.routing.yml
@@ -2,6 +2,7 @@ shortcut.link_delete:
   path: '/admin/config/user-interface/shortcut/link/{menu_link}/delete'
   defaults:
     _form: 'Drupal\shortcut\Form\LinkDelete'
+    _title: 'Delete shortcut'
   requirements:
     _access_shortcut_link: 'TRUE'
 
@@ -17,6 +18,7 @@ shortcut.set_admin:
   path: '/admin/config/user-interface/shortcut'
   defaults:
     _entity_list: 'shortcut_set'
+    _title: 'Shortcuts'
   requirements:
     _permission: 'administer shortcuts'
 
@@ -24,6 +26,7 @@ shortcut.set_add:
   path: '/admin/config/user-interface/shortcut/add-set'
   defaults:
     _entity_form: 'shortcut_set.add'
+    _title: 'Add shortcut set'
   requirements:
     _entity_create_access: 'shortcut_set'
 
@@ -31,6 +34,7 @@ shortcut.set_edit:
   path: '/admin/config/user-interface/shortcut/manage/{shortcut_set}/edit'
   defaults:
     _entity_form: 'shortcut_set.edit'
+    _title: 'Edit shortcut set'
   requirements:
     _entity_access: 'shortcut_set.update'
 
@@ -46,6 +50,7 @@ shortcut.set_customize:
   path: '/admin/config/user-interface/shortcut/manage/{shortcut_set}'
   defaults:
     _entity_form: 'shortcut_set.customize'
+    _title: 'List links'
   requirements:
     _entity_access: 'shortcut_set.update'
 
diff --git a/core/modules/simpletest/simpletest.routing.yml b/core/modules/simpletest/simpletest.routing.yml
index 6eb57eaefa7fc8df829d48c50af4be93e0ea8545..ae67d46bb8e4229d929a7fd18615b67874363fab 100644
--- a/core/modules/simpletest/simpletest.routing.yml
+++ b/core/modules/simpletest/simpletest.routing.yml
@@ -2,6 +2,7 @@ simpletest.settings:
   path: '/admin/config/development/testing/settings'
   defaults:
     _form: 'Drupal\simpletest\Form\SimpletestSettingsForm'
+    _title: 'Settings'
   requirements:
     _permission: 'administer unit tests'
 
@@ -9,6 +10,7 @@ simpletest.test_form:
   path: '/admin/config/development/testing'
   defaults:
     _form: '\Drupal\simpletest\Form\SimpletestTestForm'
+    _title: 'Testing'
   requirements:
     _permission: 'administer unit tests'
 
@@ -16,5 +18,6 @@ simpletest.result_form:
   path: '/admin/config/development/testing/results/{test_id}'
   defaults:
     _form: 'Drupal\simpletest\Form\SimpletestResultsForm'
+    _title: 'Test result'
   requirements:
     _permission: 'administer unit tests'
diff --git a/core/modules/statistics/statistics.routing.yml b/core/modules/statistics/statistics.routing.yml
index 45a60f374dfd3c53d00c803a80e459b67915977b..d5ea04c3f2cb4ee4dae95b99d3b1c459796aae65 100644
--- a/core/modules/statistics/statistics.routing.yml
+++ b/core/modules/statistics/statistics.routing.yml
@@ -2,5 +2,6 @@ statistics.settings:
   path: '/admin/config/system/statistics'
   defaults:
     _form: 'Drupal\statistics\StatisticsSettingsForm'
+    _title: 'Statistics'
   requirements:
     _permission: 'administer statistics'
diff --git a/core/modules/system/lib/Drupal/system/Tests/Menu/BreadcrumbTest.php b/core/modules/system/lib/Drupal/system/Tests/Menu/BreadcrumbTest.php
index 4c03fa0f8f86a32d18ee1819e47e378b447f8f98..a28733c7817f85d379c6c411818bce78a31b1626 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Menu/BreadcrumbTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Menu/BreadcrumbTest.php
@@ -322,8 +322,7 @@ function testBreadCrumbs() {
     ));
     $this->drupalLogin($this->web_user);
 
-    // Verify correct breadcrumb and page title on another user's account pages
-    // (without menu link).
+    // Verify correct breadcrumb and page title on another user's account pages.
     $trail = $home;
     $this->assertBreadcrumb('user/' . $this->admin_user->id(), $trail, $this->admin_user->getUsername());
     $trail += array(
@@ -331,8 +330,7 @@ function testBreadCrumbs() {
     );
     $this->assertBreadcrumb('user/' . $this->admin_user->id() . '/edit', $trail, $this->admin_user->getUsername());
 
-    // Verify correct breadcrumb and page title when viewing own user account
-    // pages (without menu link).
+    // Verify correct breadcrumb and page title when viewing own user account.
     $trail = $home;
     $this->assertBreadcrumb('user/' . $this->web_user->id(), $trail, $this->web_user->getUsername());
     $trail += array(
@@ -343,38 +341,6 @@ function testBreadCrumbs() {
     );
     $this->assertBreadcrumb('user/' . $this->web_user->id() . '/edit', $trail, $this->web_user->getUsername(), $tree);
 
-    // Add a Tools menu links for 'user' and $this->admin_user.
-    // Although it may be faster to manage these links via low-level API
-    // functions, there's a lot that can go wrong in doing so.
-    $this->drupalLogin($this->admin_user);
-    $edit = array(
-      'link_title' => 'User',
-      'link_path' => 'user',
-    );
-    $this->drupalPostForm("admin/structure/menu/manage/$menu/add", $edit, t('Save'));
-    $menu_links_user = entity_load_multiple_by_properties('menu_link', array('link_title' => $edit['link_title'], 'link_path' => $edit['link_path']));
-    $link_user = reset($menu_links_user);
-
-    $edit = array(
-      'link_title' => $this->admin_user->getUsername() . ' link',
-      'link_path' => 'user/' . $this->admin_user->id(),
-    );
-    $this->drupalPostForm("admin/structure/menu/manage/$menu/add", $edit, t('Save'));
-    $menu_links_admin_user = entity_load_multiple_by_properties('menu_link', array('link_title' => $edit['link_title'], 'link_path' => $edit['link_path']));
-    $link_admin_user = reset($menu_links_admin_user);
-
-    // Verify expected breadcrumbs for the two separate links.
-    $this->drupalLogout();
-    $trail = $home;
-    $tree = array(
-      $link_user['link_path'] => $link_user['link_title'],
-    );
-    $this->assertBreadcrumb('user', $trail, $link_user['link_title'], $tree);
-    $tree = array(
-      $link_admin_user['link_path'] => $link_admin_user['link_title'],
-    );
-    // $this->assertBreadcrumb('user/' . $this->admin_user->id(), $trail, $link_admin_user['link_title'], $tree);
-
     // Create an only slightly privileged user being able to access site reports
     // but not administration pages.
     $this->web_user = $this->drupalCreateUser(array(
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index 8ca02734e6688805f31ecb16ec915d6f33d8082b..b81ad1f42932e2201ff19c90989d1cbc7dd5d770 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -2773,7 +2773,7 @@ function confirm_form($form, $question, $path, $description = NULL, $yes = NULL,
     $options = array('path' => $path);
   }
 
-  drupal_set_title($question, PASS_THROUGH);
+  $form['#title'] = $question;
 
   $form['#attributes']['class'][] = 'confirmation';
   $form['description'] = array('#markup' => $description);
diff --git a/core/modules/system/system.routing.yml b/core/modules/system/system.routing.yml
index 77a741943c8e54583a8663956d4c5aa7902e021b..5bf659df148b5178057599ea1192b71cbb445a88 100644
--- a/core/modules/system/system.routing.yml
+++ b/core/modules/system/system.routing.yml
@@ -127,6 +127,7 @@ system.site_information_settings:
   path: '/admin/config/system/site-information'
   defaults:
     _form: 'Drupal\system\Form\SiteInformationForm'
+    _title: 'Site information'
   requirements:
     _permission: 'administer site configuration'
 
@@ -134,6 +135,7 @@ system.cron_settings:
   path: '/admin/config/system/cron'
   defaults:
     _form: 'Drupal\system\Form\CronForm'
+    _title: 'Cron'
   requirements:
     _permission: 'administer site configuration'
 
@@ -141,6 +143,7 @@ system.logging_settings:
   path: '/admin/config/development/logging'
   defaults:
     _form: 'Drupal\system\Form\LoggingForm'
+    _title: 'Logging and errors'
   requirements:
     _permission: 'administer site configuration'
 
@@ -148,6 +151,7 @@ system.performance_settings:
   path: '/admin/config/development/performance'
   defaults:
     _form: 'Drupal\system\Form\PerformanceForm'
+    _title: 'Performance'
   requirements:
     _permission: 'administer site configuration'
 
@@ -155,6 +159,7 @@ system.file_system_settings:
   path: '/admin/config/media/file-system'
   defaults:
     _form: 'Drupal\system\Form\FileSystemForm'
+    _title: 'File system'
   requirements:
     _permission: 'administer site configuration'
 
@@ -162,6 +167,7 @@ system.rss_feeds_settings:
   path: '/admin/config/services/rss-publishing'
   defaults:
     _form: 'Drupal\system\Form\RssFeedsForm'
+    _title: 'RSS publishing'
   requirements:
     _permission: 'administer site configuration'
 
@@ -169,6 +175,7 @@ system.regional_settings:
   path: '/admin/config/regional/settings'
   defaults:
     _form: 'Drupal\system\Form\RegionalForm'
+    _title: 'Regional settings'
   requirements:
     _permission: 'administer site configuration'
 
@@ -176,6 +183,7 @@ system.image_toolkit_settings:
   path: '/admin/config/media/image-toolkit'
   defaults:
     _form: 'Drupal\system\Form\ImageToolkitForm'
+    _title: 'Image toolkit'
   requirements:
     _permission: 'administer administration pages'
 
@@ -183,6 +191,7 @@ system.site_maintenance_mode:
   path: '/admin/config/development/maintenance'
   defaults:
     _form: 'Drupal\system\Form\SiteMaintenanceModeForm'
+    _title: 'Maintenance mode'
   requirements:
     _permission: 'administer site configuration'
 
@@ -197,6 +206,7 @@ system.date_format_list:
   path: '/admin/config/regional/date-time'
   defaults:
     _entity_list: 'date_format'
+    _title: 'Date and time formats'
   requirements:
     _permission: 'administer site configuration'
 
@@ -204,6 +214,7 @@ system.date_format_add:
   path: '/admin/config/regional/date-time/formats/add'
   defaults:
     _entity_form: 'date_format.add'
+    _title: 'Add date format'
   requirements:
     _permission: 'administer site configuration'
 
@@ -211,6 +222,7 @@ system.date_format_edit:
   path: '/admin/config/regional/date-time/formats/manage/{date_format}'
   defaults:
     _entity_form: 'date_format.edit'
+    _title: 'Edit date format'
   requirements:
     _entity_access: 'date_format.update'
 
@@ -235,6 +247,7 @@ system.modules_list_confirm:
   path: '/admin/modules/list/confirm'
   defaults:
     _form: 'Drupal\system\Form\ModulesListConfirmForm'
+    _title: 'Some required modules must be enabled'
   requirements:
     _permission: 'administer modules'
 
@@ -256,6 +269,7 @@ system.status:
   path: '/admin/reports/status'
   defaults:
     _controller: 'Drupal\system\Controller\SystemInfoController::status'
+    _title: 'Status report'
   requirements:
     _permission: 'administer site configuration'
 
@@ -309,6 +323,7 @@ system.theme_settings:
   path: '/admin/appearance/settings'
   defaults:
     _form: '\Drupal\system\Form\ThemeSettingsForm'
+    _title: 'Settings'
   requirements:
     _permission: 'administer themes'
 
@@ -335,6 +350,7 @@ system.modules_uninstall_confirm:
   path: '/admin/modules/uninstall/confirm'
   defaults:
     _form: 'Drupal\system\Form\ModulesUninstallConfirmForm'
+    _title: 'Confirm uninstall'
   requirements:
     _permission: 'administer modules'
 
diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/Controller/TaxonomyController.php b/core/modules/taxonomy/lib/Drupal/taxonomy/Controller/TaxonomyController.php
index eb57cc56ef63e8ac2ee22239e83ca6da7b04a8f0..e79c37ce59fb01ac81426dcd55ba52944cd1698f 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/Controller/TaxonomyController.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/Controller/TaxonomyController.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\taxonomy\Controller;
 
+use Drupal\Component\Utility\Xss;
 use Drupal\Core\Controller\ControllerBase;
 use Drupal\taxonomy\TermInterface;
 use Drupal\taxonomy\VocabularyInterface;
@@ -42,6 +43,19 @@ public function termPage(TermInterface $taxonomy_term) {
     return taxonomy_term_page($taxonomy_term);
   }
 
+  /**
+   * Route title callback.
+   *
+   * @param \Drupal\taxonomy\TermInterface $taxonomy_term
+   *   The taxonomy term.
+   *
+   * @return string
+   *   The term label.
+   */
+  public function termTitle(TermInterface $taxonomy_term) {
+    return Xss::filter($taxonomy_term->label());
+  }
+
   /**
    * @todo Remove taxonomy_term_feed().
    */
diff --git a/core/modules/taxonomy/taxonomy.pages.inc b/core/modules/taxonomy/taxonomy.pages.inc
index 96f84aaa9a8429ba390912723eef27c95843197d..c327191cbecc66d993080c7535785b86a4a6afe2 100644
--- a/core/modules/taxonomy/taxonomy.pages.inc
+++ b/core/modules/taxonomy/taxonomy.pages.inc
@@ -16,9 +16,6 @@
  * @deprecated Use \Drupal\taxonomy\Controller\TaxonomyController::termPage()
  */
 function taxonomy_term_page(Term $term) {
-  // Assign the term name as the page title.
-  drupal_set_title($term->label());
-
   $build['#attached']['drupal_add_feed'][] = array('taxonomy/term/' . $term->id() . '/feed', 'RSS - ' . $term->label());
 
   foreach ($term->uriRelationships() as $rel) {
diff --git a/core/modules/taxonomy/taxonomy.routing.yml b/core/modules/taxonomy/taxonomy.routing.yml
index 9ca17aff3ca3a98230894b12860e30e22794cf96..804086001a0e0bfa4d8b078105d4b7054bbe8efa 100644
--- a/core/modules/taxonomy/taxonomy.routing.yml
+++ b/core/modules/taxonomy/taxonomy.routing.yml
@@ -10,6 +10,7 @@ taxonomy.term_add:
   path: '/admin/structure/taxonomy/manage/{taxonomy_vocabulary}/add'
   defaults:
     _content: '\Drupal\taxonomy\Controller\TaxonomyController::addForm'
+    _title: 'Add term'
   requirements:
     _entity_create_access: 'taxonomy_term:{taxonomy_vocabulary}'
 
@@ -17,6 +18,7 @@ taxonomy.term_edit:
   path: '/taxonomy/term/{taxonomy_term}/edit'
   defaults:
     _entity_form: 'taxonomy_term.default'
+    _title: 'Edit term'
   requirements:
     _entity_access: 'taxonomy_term.update'
 
@@ -24,6 +26,7 @@ taxonomy.term_delete:
   path: '/taxonomy/term/{taxonomy_term}/delete'
   defaults:
     _entity_form: 'taxonomy_term.delete'
+    _title: 'Delete term'
   requirements:
     _entity_access: 'taxonomy_term.delete'
 
@@ -31,6 +34,7 @@ taxonomy.vocabulary_add:
   path: '/admin/structure/taxonomy/add'
   defaults:
     _entity_form: 'taxonomy_vocabulary'
+    _title: 'Add vocabulary'
   requirements:
     _entity_create_access: 'taxonomy_vocabulary'
 
@@ -38,6 +42,7 @@ taxonomy.vocabulary_edit:
   path: '/admin/structure/taxonomy/manage/{taxonomy_vocabulary}/edit'
   defaults:
     _entity_form: 'taxonomy_vocabulary.default'
+    _title: 'Edit vocabulary'
   requirements:
     _entity_access: 'taxonomy_vocabulary.update'
 
@@ -45,6 +50,7 @@ taxonomy.vocabulary_delete:
   path: '/admin/structure/taxonomy/manage/{taxonomy_vocabulary}/delete'
   defaults:
     _entity_form: 'taxonomy_vocabulary.delete'
+    _title: 'Delete vocabulary'
   requirements:
     _entity_access: 'taxonomy_vocabulary.delete'
 
@@ -80,6 +86,8 @@ taxonomy.term_page:
   path: '/taxonomy/term/{taxonomy_term}'
   defaults:
     _content: '\Drupal\taxonomy\Controller\TaxonomyController::termPage'
+    _title: 'Taxonomy term'
+    _title_callback: '\Drupal\taxonomy\Controller\TaxonomyController::termTitle'
   requirements:
     _entity_access: 'taxonomy_term.view'
 
@@ -87,5 +95,7 @@ taxonomy.term_feed:
   path: '/taxonomy/term/{taxonomy_term}/feed'
   defaults:
     _content: '\Drupal\taxonomy\Controller\TaxonomyController::termFeed'
+    _title: 'Taxonomy term'
+    _title_callback: '\Drupal\taxonomy\Controller\TaxonomyController::termTitle'
   requirements:
     _entity_access: 'taxonomy_term.view'
diff --git a/core/modules/update/update.routing.yml b/core/modules/update/update.routing.yml
index fcfbdd146e3b879cd8f07342b0c214954c7f675e..2ed1b68ce599adf6c909d1b4047fd38d88882ee2 100644
--- a/core/modules/update/update.routing.yml
+++ b/core/modules/update/update.routing.yml
@@ -2,6 +2,7 @@ update.settings:
   path: '/admin/reports/updates/settings'
   defaults:
     _form: '\Drupal\update\UpdateSettingsForm'
+    _title: 'Settings'
   requirements:
     _permission: 'administer site configuration'
 
@@ -9,6 +10,7 @@ update.status:
   path: '/admin/reports/updates'
   defaults:
     _content: '\Drupal\update\Controller\UpdateController::updateStatus'
+    _title: 'Available updates'
   requirements:
     _permission: 'administer site configuration'
 
@@ -24,6 +26,7 @@ update.report_install:
   path: '/admin/reports/updates/install'
   defaults:
     _content: '\Drupal\update\Form\UpdateForm::reportInstall'
+    _title: 'Install'
   options:
     _access_mode: 'ALL'
   requirements:
@@ -45,6 +48,7 @@ update.module_install:
   path: '/admin/modules/install'
   defaults:
     _content: '\Drupal\update\Form\UpdateForm::moduleInstall'
+    _title: 'Install new module'
   options:
     _access_mode: 'ALL'
   requirements:
@@ -66,6 +70,7 @@ update.theme_install:
   path: '/admin/theme/install'
   defaults:
     _content: '\Drupal\update\Form\UpdateForm::themeInstall'
+    _title: 'Install new theme'
   options:
     _access_mode: 'ALL'
   requirements:
diff --git a/core/modules/user/user.routing.yml b/core/modules/user/user.routing.yml
index 0a693e3afe676702fad0b44ef6f6a03153d2a6bf..bbc2053a7da2be561ad2531b3daa039a5dd06ef9 100644
--- a/core/modules/user/user.routing.yml
+++ b/core/modules/user/user.routing.yml
@@ -31,6 +31,7 @@ user.admin_index:
   path: '/admin/config/people'
   defaults:
     _content: '\Drupal\system\Controller\SystemController::systemAdminMenuBlockPage'
+    _title: 'People'
   requirements:
     _permission: 'access administration pages'
 
@@ -38,6 +39,7 @@ user.account_settings:
   path: '/admin/config/people/accounts'
   defaults:
     _form: '\Drupal\user\AccountSettingsForm'
+    _title: 'Account settings'
   requirements:
     _permission: 'administer account settings'
 
@@ -45,6 +47,7 @@ user.admin_account:
   path: '/admin/people'
   defaults:
     _entity_list: 'user'
+    _title: 'People'
   requirements:
     _permission: 'administer users'
 
@@ -52,6 +55,7 @@ user.admin_create:
   path: '/admin/people/create'
   defaults:
     _entity_form: 'user.register'
+    _title: 'Add user'
   requirements:
     _permission: 'administer users'
 
@@ -59,6 +63,7 @@ user.admin_permissions:
   path: '/admin/people/permissions'
   defaults:
     _form: '\Drupal\user\Form\UserPermissionsForm'
+    _title: 'Permissions'
   requirements:
     _permission: 'administer permissions'
 
@@ -66,6 +71,7 @@ user.admin_permission:
   path: '/admin/people/permissions/{role_id}'
   defaults:
     _form: '\Drupal\user\Form\UserPermissionsRoleSpecificForm'
+    _title: 'Edit role'
   requirements:
     _permission: 'administer permissions'
 
@@ -81,6 +87,7 @@ user.role_list:
   path: '/admin/people/roles'
   defaults:
     _entity_list: 'user_role'
+    _title: 'Roles'
   requirements:
     _permission: 'administer permissions'
 
@@ -88,6 +95,7 @@ user.role_add:
   path: '/admin/people/roles/add'
   defaults:
     _entity_form: user_role.default
+    _title: 'Add role'
   requirements:
     _permission: 'administer permissions'
 
@@ -102,6 +110,7 @@ user.role_delete:
   path: '/admin/people/roles/manage/{user_role}/delete'
   defaults:
     _entity_form: user_role.delete
+    _title: 'Edit role'
   requirements:
     _entity_access: user_role.delete
 
@@ -117,6 +126,7 @@ user.page:
   path: '/user'
   defaults:
     _content: '\Drupal\user\Controller\UserController::userPage'
+    _title: 'Log in'
   requirements:
     _access: 'TRUE'
 
@@ -140,6 +150,7 @@ user.edit:
   path: '/user/{user}/edit'
   defaults:
     _entity_form: 'user.default'
+    _title_callback: 'Drupal\user\Controller\UserController::userTitle'
   requirements:
     _entity_access: 'user.update'
 
diff --git a/core/modules/views_ui/lib/Drupal/views_ui/Controller/ViewsUIController.php b/core/modules/views_ui/lib/Drupal/views_ui/Controller/ViewsUIController.php
index 88cc77f8c0608f3723b2ab41320460102cb1ad25..df736b57589e01811bf92972b3473ef6c08a2c4c 100644
--- a/core/modules/views_ui/lib/Drupal/views_ui/Controller/ViewsUIController.php
+++ b/core/modules/views_ui/lib/Drupal/views_ui/Controller/ViewsUIController.php
@@ -250,7 +250,7 @@ public function edit(ViewUI $view, $display_id = NULL) {
     if (isset($data['table']['base']['title'])) {
       $name .= ' (' . $data['table']['base']['title'] . ')';
     }
-    drupal_set_title($name);
+    $build['#title'] = $name;
 
     $build['edit'] = $this->entityManager->getForm($view, 'edit', array('display_id' => $display_id));
     $build['preview'] = $this->entityManager->getForm($view, 'preview', array('display_id' => $display_id));
diff --git a/core/modules/views_ui/lib/Drupal/views_ui/ViewAddFormController.php b/core/modules/views_ui/lib/Drupal/views_ui/ViewAddFormController.php
index 8ed17457ee217b307876d4b3840ae8974ff5770b..2c3d19c92010291fc9b180b91d45176db008db04 100644
--- a/core/modules/views_ui/lib/Drupal/views_ui/ViewAddFormController.php
+++ b/core/modules/views_ui/lib/Drupal/views_ui/ViewAddFormController.php
@@ -43,15 +43,6 @@ public static function create(ContainerInterface $container) {
     );
   }
 
-  /**
-   * {@inheritdoc}
-   */
-  public function init(array &$form_state) {
-    parent::init($form_state);
-
-    drupal_set_title($this->t('Add new view'));
-  }
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/views_ui/lib/Drupal/views_ui/ViewCloneFormController.php b/core/modules/views_ui/lib/Drupal/views_ui/ViewCloneFormController.php
index 68e24245a7051225b1386b39526287a42e1de7be..4071738cc82e52a2d881e650247c74632eb0cc8c 100644
--- a/core/modules/views_ui/lib/Drupal/views_ui/ViewCloneFormController.php
+++ b/core/modules/views_ui/lib/Drupal/views_ui/ViewCloneFormController.php
@@ -12,15 +12,6 @@
  */
 class ViewCloneFormController extends ViewFormControllerBase {
 
-  /**
-   * {@inheritdoc}
-   */
-  public function init(array &$form_state) {
-    parent::init($form_state);
-
-    drupal_set_title($this->t('Clone of @label', array('@label' => $this->entity->label())));
-  }
-
   /**
    * {@inheritdoc}
    */
@@ -34,6 +25,8 @@ protected function prepareEntity() {
   public function form(array $form, array &$form_state) {
     parent::form($form, $form_state);
 
+    $form['#title'] = $this->t('Clone of @label', array('@label' => $this->entity->label()));
+
     $form['label'] = array(
       '#type' => 'textfield',
       '#title' => $this->t('View name'),
diff --git a/core/modules/views_ui/views_ui.routing.yml b/core/modules/views_ui/views_ui.routing.yml
index 3efc9ea760d1b617e60b7c4455e4b96b818985e9..a064b24d8cc6b363eefc1bbd557fb08a8e952b9f 100644
--- a/core/modules/views_ui/views_ui.routing.yml
+++ b/core/modules/views_ui/views_ui.routing.yml
@@ -2,6 +2,7 @@ views_ui.list:
   path: '/admin/structure/views'
   defaults:
     _entity_list: 'view'
+    _title: 'Views'
   requirements:
     _permission: 'administer views'
 
@@ -9,6 +10,7 @@ views_ui.add:
   path: '/admin/structure/views/add'
   defaults:
     _entity_form: 'view.add'
+    _title: 'Add new view'
   requirements:
     _permission: 'administer views'
 
@@ -16,6 +18,7 @@ views_ui.settings_basic:
   path: '/admin/structure/views/settings'
   defaults:
     _form: '\Drupal\views_ui\Form\BasicSettingsForm'
+    _title: 'Settings'
   requirements:
     _permission: 'administer views'
 
@@ -23,6 +26,7 @@ views_ui.settings_advanced:
   path: '/admin/structure/views/settings/advanced'
   defaults:
     _form: '\Drupal\views_ui\Form\AdvancedSettingsForm'
+    _title: 'Advanced'
   requirements:
     _permission: 'administer views'
 
@@ -30,6 +34,7 @@ views_ui.reports_fields:
   path: '/admin/reports/fields/views-fields'
   defaults:
     _content: '\Drupal\views_ui\Controller\ViewsUIController::reportFields'
+    _title: 'Used in views'
   requirements:
     _permission: 'administer views'
 
@@ -37,6 +42,7 @@ views_ui.reports_plugins:
   path: '/admin/reports/views-plugins'
   defaults:
     _content: '\Drupal\views_ui\Controller\ViewsUIController::reportPlugins'
+    _title: 'Views plugins'
   requirements:
     _permission: 'administer views'
 
@@ -52,6 +58,7 @@ views_ui.clone:
   path: '/admin/structure/views/view/{view}/clone'
   defaults:
     _entity_form: 'view.clone'
+    _title: 'Clone view'
   requirements:
     _permission: 'administer views'
 
@@ -59,6 +66,7 @@ views_ui.delete:
   path: '/admin/structure/views/view/{view}/delete'
   defaults:
     _entity_form: 'view.delete'
+    _title: 'Delete view'
   requirements:
     _permission: 'administer views'