Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

core/themes/bartik/templates/block--system-branding-block.html.twig

@@ -13,21 +13,22 @@
  * - site_slogan: Slogan for site as defined in Site information settings.
  */
 #}
+{% set attributes = attributes.addClass('site-branding') %}
 {% block content %}
   {% if site_logo %}
-    <a href="{{ url('<front>') }}" title="{{ 'Home'|t }}" rel="home" class="site-logo">
+    <a href="{{ path('<front>') }}" title="{{ 'Home'|t }}" rel="home" class="site-branding__logo">
       <img src="{{ site_logo }}" alt="{{ 'Home'|t }}" />
     </a>
   {% endif %}
   {% if site_name or site_slogan %}
-    <div class="site-branding-text">
+    <div class="site-branding__text">
       {% if site_name %}
-        <strong class="site-name">
-          <a href="{{ url('<front>') }}" title="{{ 'Home'|t }}" rel="home">{{ site_name }}</a>
-        </strong>
+        <div class="site-branding__name">
+          <a href="{{ path('<front>') }}" title="{{ 'Home'|t }}" rel="home">{{ site_name }}</a>
+        </div>
       {% endif %}
       {% if site_slogan %}
-        <div class="site-slogan">{{ site_slogan }}</div>
+        <div class="site-branding__slogan">{{ site_slogan }}</div>
       {% endif %}
     </div>
   {% endif %}

core/themes/bartik/templates/form--search-block-form.html.twig

@@ -0,0 +1,15 @@
+{#
+/**
+ * @file
+ * Default theme implementation for a 'form' element.
+ *
+ * Available variables:
+ * - attributes: A list of HTML attributes for the wrapper element.
+ * - children: The child elements of the form.
+ *
+ * @see template_preprocess_form()
+ */
+#}
+<form{{ attributes.addClass('search-form', 'search-block-form') }}>
+  {{ children }}
+</form>

core/themes/bartik/templates/node.html.twig

@@ -93,10 +93,6 @@
     {% endif %}
   </header>
   <div{{ content_attributes.addClass('node__content', 'clearfix') }}>
-    {{ content|without('comment', 'links') }}
+    {{ content }}
   </div>
-  {% if content.links %}
-    <div class="node__links">{{ content.links }}</div>
-  {% endif %}
-  {{ content.comment }}
 </article>

core/themes/bartik/templates/page-title.html.twig

@@ -0,0 +1,16 @@
+{% extends "@classy/content/page-title.html.twig" %}
+{#
+/**
+ * @file
+ * Bartik's theme implementation for a page title.
+ *
+ * Available variables:
+ * - title_attributes: HTML attributes for the page title element.
+ * - 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.
+ */
+#}
+{% set title_attributes = title_attributes.addClass('title') %}

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

@@ -25,19 +25,8 @@
  *   name has been disabled in the theme settings.
  * - site_slogan: The slogan of the site. This is empty when displaying the site
  *   slogan has been disabled in theme settings.
- * - hide_site_name: A flag indicating if the site name has been toggled off on
- *   the theme settings page. If hidden, the "visually-hidden" class is added
- *   to make the site name visually hidden, but still accessible.
- * - hide_site_slogan: A flag indicating if the site slogan has been toggled off
- *   on the theme settings page. If hidden, the "visually-hidden" class is
- *   added to make the site slogan visually hidden, but still accessible.
- *
+
  * 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.
  * - 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
@@ -72,34 +61,6 @@
     <header id="header" class="header" role="banner" aria-label="{{ 'Site header'|t}}">
       <div class="section layout-container clearfix">
         {{ page.secondary_menu }}
-        {% if logo %}
-          <a href="{{ front_page }}" title="{{ 'Home'|t }}" rel="home" id="logo">
-            <img src="{{ logo }}" alt="{{ 'Home'|t }}" />
-          </a>
-        {% endif %}
-        {% if site_name or site_slogan %}
-          <div id="name-and-slogan"{% if hide_site_name and hide_site_slogan %} class="visually-hidden"{% endif %}>
-            {% if site_name %}
-              {% if title %}
-                <div id="site-name"{% if hide_site_name %} class="visually-hidden"{% endif %}>
-                  <strong>
-                    <a href="{{ front_page }}" title="{{ 'Home'|t }}" rel="home"><span>{{ site_name }}</span></a>
-                  </strong>
-                </div>
-              {# Use h1 when the content title is empty #}
-              {% else %}
-                <h1 id="site-name"{% if hide_site_name %} class="visually-hidden" {% endif %}>
-                  <a href="{{ front_page }}" title="{{ 'Home'|t }}" rel="home"><span>{{ site_name }}</span></a>
-                </h1>
-              {% endif %}
-            {% endif %}
-            {% if site_slogan %}
-              <div id="site-slogan"{% if hide_site_slogan %} class="visually-hidden"{% endif %}>
-                {{ site_slogan }}
-              </div>
-            {% endif %}
-          </div>
-        {% endif %}
         {{ page.header }}
         {{ page.primary_menu }}
       </div>
@@ -124,13 +85,6 @@
         <main id="content" class="column main-content" role="main">
           <section class="section">
             <a id="main-content" tabindex="-1"></a>
-            {{ title_prefix }}
-            {% if title %}
-              <h1 class="title page-title">
-                {{ title }}
-              </h1>
-            {% endif %}
-            {{ title_suffix }}
             {{ page.content }}
           </section>
         </main>

core/themes/bartik/templates/region--header.html.twig

@@ -0,0 +1,16 @@
+{% extends "region.html.twig" %}
+{#
+/**
+ * @file
+ * Bartik's theme implementation to display a header region.
+ *
+ * Available variables:
+ * - content: The content for this region, typically blocks.
+ * - attributes: HTML attributes for the region div.
+ * - region: The name of the region variable as defined in the theme's
+ *   .info.yml file.
+ *
+ * @see template_preprocess_region()
+ */
+#}
+{% set attributes = attributes.addClass('clearfix') %}

core/themes/bartik/templates/status-messages.html.twig

@@ -25,10 +25,8 @@
 {% block messages %}
   {% if message_list is not empty %}
     {{ attach_library('bartik/messages') }}
-    <div id="messages">
-      <div class="section clearfix">
-        {{ parent() }}
-      </div>
+    <div class="messages__wrapper layout-container">
+      {{ parent() }}
     </div>
   {% endif %}
 {% endblock messages %}