Update to Drupal 8.0.0-beta15. For more information, see: https://www.drupal.org/node/2563023

core/themes/seven/css/components/dialog.theme.css

@@ -7,9 +7,6 @@
   border: 0;
   position: absolute;
   z-index: 1260;
-  /* jQuery UI modals crash in Firefox unless overflow is set to hidden.
-     See: https://www.drupal.org/node/2423781 */
-  overflow: hidden;
   padding: 0;
 }
 @media all and (max-width: 48em) { /* 768px */

core/themes/seven/css/components/menus-and-lists.css

@@ -38,3 +38,7 @@ ul.inline li {
 ul.inline li {
   display: inline;
 }
+.item-list .item-list__comma-list,
+[dir="rtl"] .item-list .item-list__comma-list {
+  margin: 0;
+}

core/themes/seven/seven.info.yml

@@ -14,12 +14,14 @@ stylesheets-remove:
 quickedit_stylesheets:
   - css/components/quickedit.css
 regions:
-  content: Content
+  header: 'Header'
+  pre_content: 'Pre-content'
+  breadcrumb: Breadcrumb
   highlighted: Highlighted
   help: Help
+  content: Content
   page_top: 'Page top'
   page_bottom: 'Page bottom'
   sidebar_first: 'First sidebar'
-  breadcrumb: Breadcrumb
 regions_hidden:
   - sidebar_first

core/themes/seven/seven.theme

@@ -6,7 +6,6 @@
  */
 
 use Drupal\Component\Utility\Xss;
-use Drupal\Component\Utility\SafeMarkup;
 use Drupal\Core\Form\FormStateInterface;
 
 /**
@@ -24,18 +23,6 @@ function seven_preprocess_html(&$variables) {
   }
 }
 
-/**
- * Implements hook_preprocess_HOOK() for page templates.
- */
-function seven_preprocess_page(&$variables) {
-  $variables['primary_local_tasks'] = $variables['tabs'];
-  unset($variables['primary_local_tasks']['#secondary']);
-  $variables['secondary_local_tasks'] = array(
-    '#theme' => 'menu_local_tasks',
-    '#secondary' => isset($variables['tabs']['#secondary']) ? $variables['tabs']['#secondary'] : '',
-  );
-}
-
 /**
  * Implements hook_pre_render_HOOK() for menu-local-tasks templates.
  *
@@ -74,7 +61,7 @@ function seven_preprocess_node_add_list(&$variables) {
   if (!empty($variables['content'])) {
     /** @var \Drupal\node\NodeTypeInterface $type */
     foreach ($variables['content'] as $type) {
-      $variables['types'][$type->id()]['label'] = SafeMarkup::checkPlain($type->label());
+      $variables['types'][$type->id()]['label'] = $type->label();
       $variables['types'][$type->id()]['url'] = \Drupal::url('node.add', array('node_type' => $type->id()));
     }
   }
@@ -89,7 +76,7 @@ function seven_preprocess_node_add_list(&$variables) {
 function seven_preprocess_block_content_add_list(&$variables) {
   if (!empty($variables['content'])) {
     foreach ($variables['content'] as $type) {
-      $variables['types'][$type->id()]['label'] = SafeMarkup::checkPlain($type->label());
+      $variables['types'][$type->id()]['label'] = $type->label();
       $options = array('query' => \Drupal::request()->query->all());
       $variables['types'][$type->id()]['url'] = \Drupal::url('block_content.add_form', array('block_content_type' => $type->id()), $options);
     }

core/themes/seven/templates/block--local-actions-block.html.twig

@@ -0,0 +1,14 @@
+{% extends "@block/block.html.twig" %}
+{#
+/**
+ * @file
+ * Theme override for local actions (primary admin actions.)
+ */
+#}
+{% block content %}
+  {% if content %}
+    <ul class="action-links">
+      {{ content }}
+    </ul>
+  {% endif %}
+{% endblock %}

core/themes/seven/templates/page.html.twig

@@ -32,24 +32,18 @@
  * - 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.
- * - 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
  *   comment/reply/12345).
  *
  * Regions:
- * - page.page_top: Items for the header region.
+ * - page.header: Items for the header region.
+ * - page.pre_content: Items for the pre-content region.
+ * - page.breadcrumb: Items for the breadcrumb region.
  * - page.highlighted: Items for the highlighted region.
  * - page.help: Dynamic help text, mostly for admin pages.
  * - page.content: The main content of the current page.
- * - page.sidebar_first: Items for the first sidebar.
- * - page.sidebar_second: Items for the second sidebar.
- * - page.page_bottom: Items for the footer region.
- * - page.breadcrumb: Items for the breadcrumb region.
  *
  * @see template_preprocess_page()
  * @see seven_preprocess_page()
@@ -63,19 +57,13 @@
         <h1 class="page-title">{{ title }}</h1>
       {% endif %}
       {{ title_suffix }}
-      {% if primary_local_tasks %}
-        {{ primary_local_tasks }}
-      {% endif %}
+      {{ page.header }}
     </div>
   </header>
 
   <div class="layout-container">
-    {% if secondary_local_tasks %}
-      <div class="tabs-secondary clearfix" role="navigation">{{ secondary_local_tasks }}</div>
-    {% endif %}
-
+    {{ page.pre_content }}
     {{ page.breadcrumb }}
-
     <main class="page-content clearfix" role="main">
       <div class="visually-hidden"><a id="main-content" tabindex="-1"></a></div>
       {{ page.highlighted }}
@@ -84,11 +72,6 @@
           {{ page.help }}
         </div>
       {% endif %}
-      {% if action_links %}
-        <ul class="action-links">
-          {{ action_links }}
-        </ul>
-      {% endif %}
       {{ page.content }}
     </main>