diff --git a/core/includes/theme.inc b/core/includes/theme.inc
index b99fc6c..516e668 100644
--- a/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -1403,7 +1403,6 @@ function template_preprocess_page(&$variables) {
 
   // Move some variables to the top level for themer convenience and template cleanliness.
   $variables['show_messages'] = $variables['page']['#show_messages'];
-  $variables['title'] = $variables['page']['#title'];
 
   foreach (system_region_list(\Drupal::theme()->getActiveTheme()->getName()) as $region_key => $region_name) {
     if (!isset($variables['page'][$region_key])) {
@@ -1428,14 +1427,6 @@ function template_preprocess_page(&$variables) {
     $variables['is_front'] = FALSE;
     $variables['db_is_active'] = FALSE;
   }
-  if (!defined('MAINTENANCE_MODE')) {
-    $variables['action_links']   = menu_get_local_actions();
-    $variables['tabs']           = menu_local_tabs();
-  }
-  else {
-    $variables['action_links']   = array();
-    $variables['tabs']           = array();
-  }
 
   if ($node = \Drupal::routeMatch()->getParameter('node')) {
     $variables['node'] = $node;
diff --git a/core/lib/Drupal/Core/Extension/ThemeHandler.php b/core/lib/Drupal/Core/Extension/ThemeHandler.php
index 9529c8a..480a779 100644
--- a/core/lib/Drupal/Core/Extension/ThemeHandler.php
+++ b/core/lib/Drupal/Core/Extension/ThemeHandler.php
@@ -469,6 +469,9 @@ public function rebuildThemeData() {
         'page_top' => 'Page top',
         'page_bottom' => 'Page bottom',
         'breadcrumb' => 'Breadcrumb',
+        'page_title' => 'Page title',
+        'page_tabs' => 'Page tabs',
+        'page_actions' => 'Page actions',
       ),
       'description' => '',
       'features' => $this->defaultFeatures,
diff --git a/core/modules/system/templates/page.html.twig b/core/modules/system/templates/page.html.twig
index 627d7c7..82a7c95 100644
--- a/core/modules/system/templates/page.html.twig
+++ b/core/modules/system/templates/page.html.twig
@@ -28,14 +28,9 @@
  * Page content (in order of occurrence in the default page.html.twig):
  * - title_prefix: Additional output populated by modules, intended to be
  *   displayed in front of the main title tag that appears in the template.
- * - title: The page title, for use in the actual content.
  * - title_suffix: Additional output populated by modules, intended to be
  *   displayed after the main title tag that appears in the template.
  * - messages: Status and error messages. Should be displayed prominently.
- * - tabs: Tabs linking to any sub-pages beneath the current page (e.g., the
- *   view and edit tabs when displaying a node).
- * - action_links: Actions local to the page, such as "Add menu" on the menu
- *   administration interface.
  * - node: Fully loaded node, if there is an automatically-loaded node
  *   associated with the page and the node ID is the second argument in the
  *   page's path (e.g. node/12345 and node/12345/revisions, but not
@@ -52,6 +47,9 @@
  * - page.sidebar_second: Items for the second sidebar.
  * - page.footer: Items for the footer region.
  * - page.breadcrumb: Items for the breadcrumb region.
+ * - page.title: Items for the page title region.
+ * - page.tabs: Items for the tabs region.
+ * - page.actions: Items for the actions region.
  *
  * @see template_preprocess_page()
  * @see html.html.twig
@@ -107,15 +105,13 @@
       {{ page.highlighted }}
 
       {{ title_prefix }}
-      {% if title %}
-        <h1>{{ title }}</h1>
-      {% endif %}
+      {{ page.title }}
       {{ title_suffix }}
 
-      {{ tabs }}
+      {{ page.tabs }}
 
-      {% if action_links %}
-        <nav class="action-links">{{ action_links }}</nav>
+      {% if page.actions %}
+        <nav class="action-links">{{ page.actions }}</nav>
       {% endif %}
 
       {{ page.content }}
diff --git a/core/themes/bartik/bartik.info.yml b/core/themes/bartik/bartik.info.yml
index 37a2c68..9713c39 100644
--- a/core/themes/bartik/bartik.info.yml
+++ b/core/themes/bartik/bartik.info.yml
@@ -21,6 +21,9 @@ regions:
   page_bottom: 'Page bottom'
   featured_top: 'Featured top'
   breadcrumb: Breadcrumb
+  title: Title
+  tabs: Tabs
+  actions: Actions
   content: Content
   sidebar_first: 'Sidebar first'
   sidebar_second: 'Sidebar second'
diff --git a/core/themes/bartik/templates/page.html.twig b/core/themes/bartik/templates/page.html.twig
index 8380892..55009be 100644
--- a/core/themes/bartik/templates/page.html.twig
+++ b/core/themes/bartik/templates/page.html.twig
@@ -35,14 +35,9 @@
  * Page content (in order of occurrence in the default page.html.twig):
  * - title_prefix: Additional output populated by modules, intended to be
  *   displayed in front of the main title tag that appears in the template.
- * - title: The page title, for use in the actual content.
  * - title_suffix: Additional output populated by modules, intended to be
  *   displayed after the main title tag that appears in the template.
  * - messages: Status and error messages. Should be displayed prominently.
- * - tabs: Tabs linking to any sub-pages beneath the current page (e.g., the
- *   view and edit tabs when displaying a node).
- * - action_links: Actions local to the page, such as "Add menu" on the menu
- *   administration interface.
  * - node: Fully loaded node, if there is an automatically-loaded node
  *   associated with the page and the node ID is the second argument in the
  *   page's path (e.g. node/12345 and node/12345/revisions, but not
@@ -66,6 +61,9 @@
  * - page.footer_fourth: Items for the fourth footer column.
  * - page.footer_fifth: Items for the fifth footer column.
  * - page.breadcrumb: Items for the breadcrumb region.
+ * - page.title: Items for the page title region.
+ * - page.tabs: Items for the tabs region.
+ * - page.actions: Items for the actions region.
  *
  * @see template_preprocess_page()
  * @see bartik_preprocess_page()
@@ -128,20 +126,20 @@
           <section class="section">
             <a id="main-content" tabindex="-1"></a>
             {{ title_prefix }}
-            {% if title %}
+            {% if page.title %}
               <h1 class="title" id="page-title">
-                {{ title }}
+                {{ page.title }}
               </h1>
             {% endif %}
             {{ title_suffix }}
-            {% if tabs %}
+            {% if page.tabs %}
               <nav class="tabs" role="navigation" aria-label="{{ 'Tabs'|t }}">
-                {{ tabs }}
+                {{ page.tabs }}
               </nav>
             {% endif %}
             {{ page.help }}
-            {% if action_links %}
-              <ul class="action-links">{{ action_links }}</ul>
+            {% if page.actions %}
+              <ul class="action-links">{{ page.actions }}</ul>
             {% endif %}
             {{ page.content }}
           </section>
diff --git a/core/themes/classy/templates/system/page.html.twig b/core/themes/classy/templates/system/page.html.twig
index 627d7c7..eaaed2c 100644
--- a/core/themes/classy/templates/system/page.html.twig
+++ b/core/themes/classy/templates/system/page.html.twig
@@ -28,14 +28,9 @@
  * Page content (in order of occurrence in the default page.html.twig):
  * - title_prefix: Additional output populated by modules, intended to be
  *   displayed in front of the main title tag that appears in the template.
- * - title: The page title, for use in the actual content.
  * - title_suffix: Additional output populated by modules, intended to be
  *   displayed after the main title tag that appears in the template.
  * - messages: Status and error messages. Should be displayed prominently.
- * - tabs: Tabs linking to any sub-pages beneath the current page (e.g., the
- *   view and edit tabs when displaying a node).
- * - action_links: Actions local to the page, such as "Add menu" on the menu
- *   administration interface.
  * - node: Fully loaded node, if there is an automatically-loaded node
  *   associated with the page and the node ID is the second argument in the
  *   page's path (e.g. node/12345 and node/12345/revisions, but not
@@ -52,6 +47,9 @@
  * - page.sidebar_second: Items for the second sidebar.
  * - page.footer: Items for the footer region.
  * - page.breadcrumb: Items for the breadcrumb region.
+ * - page.title: Items for the page title region.
+ * - page.tabs: Items for the tabs region.
+ * - page.actions: Items for the actions region.
  *
  * @see template_preprocess_page()
  * @see html.html.twig
@@ -107,15 +105,15 @@
       {{ page.highlighted }}
 
       {{ title_prefix }}
-      {% if title %}
-        <h1>{{ title }}</h1>
+      {% if page.title %}
+        <h1>{{ page.title }}</h1>
       {% endif %}
       {{ title_suffix }}
 
-      {{ tabs }}
+      {{ page.tabs }}
 
-      {% if action_links %}
-        <nav class="action-links">{{ action_links }}</nav>
+      {% if page.actions %}
+        <nav class="action-links">{{ page.actions }}</nav>
       {% endif %}
 
       {{ page.content }}
diff --git a/core/themes/seven/seven.info.yml b/core/themes/seven/seven.info.yml
index 945ceac..4c6ef7f 100644
--- a/core/themes/seven/seven.info.yml
+++ b/core/themes/seven/seven.info.yml
@@ -24,5 +24,7 @@ regions:
   page_bottom: 'Page bottom'
   sidebar_first: 'First sidebar'
   breadcrumb: Breadcrumb
+  title: Title
+  actions: Actions
 regions_hidden:
   - sidebar_first
diff --git a/core/themes/seven/templates/page.html.twig b/core/themes/seven/templates/page.html.twig
index fc3c7d4..eac229c 100644
--- a/core/themes/seven/templates/page.html.twig
+++ b/core/themes/seven/templates/page.html.twig
@@ -29,14 +29,9 @@
  * Page content (in order of occurrence in the default page.html.twig):
  * - title_prefix: Additional output populated by modules, intended to be
  *   displayed in front of the main title tag that appears in the template.
- * - title: The page title, for use in the actual content.
  * - title_suffix: Additional output populated by modules, intended to be
  *   displayed after the main title tag that appears in the template.
  * - messages: Status and error messages. Should be displayed prominently.
- * - tabs: Tabs linking to any sub-pages beneath the current page (e.g., the
- *   view and edit tabs when displaying a node).
- * - action_links: Actions local to the page, such as "Add menu" on the menu
- *   administration interface.
  * - node: Fully loaded node, if there is an automatically-loaded node
  *   associated with the page and the node ID is the second argument in the
  *   page's path (e.g. node/12345 and node/12345/revisions, but not
@@ -51,6 +46,8 @@
  * - page.sidebar_second: Items for the second sidebar.
  * - page.page_bottom: Items for the footer region.
  * - page.breadcrumb: Items for the breadcrumb region.
+ * - page.title: Items for the page title region.
+ * - page.actions: Items for the actions region.
  *
  * @see template_preprocess_page()
  * @see seven_preprocess_page()
@@ -60,8 +57,8 @@
   <header class="content-header clearfix">
     <div class="layout-container">
       {{ title_prefix }}
-      {% if title %}
-        <h1 class="page-title">{{ title }}</h1>
+      {% if page.title %}
+        <h1 class="page-title">{{ page.title }}</h1>
       {% endif %}
       {{ title_suffix }}
       {% if primary_local_tasks %}
@@ -85,9 +82,9 @@
           {{ page.help }}
         </div>
       {% endif %}
-      {% if action_links %}
+      {% if page.actions %}
         <ul class="action-links">
-          {{ action_links }}
+          {{ page.actions }}
         </ul>
       {% endif %}
       {{ page.content }}