Update to Drupal 8.1.0. For more information, see https://www.drupal.org/drupal-8.1.0-release-notes

core/themes/stable/css/ckeditor/plugins/language/ckeditor.language.css

@@ -0,0 +1,19 @@
+/**
+ * @file
+ * Language: add styling for elements that have a language attribute.
+ */
+
+/**
+ * Show the user that a 'lang' tag has been applied by adding a thin dotted
+ * border. We also append the value of the tag between brackets, for example:
+ * '(en)'. Since the html element has a 'lang' attribute too we only target
+ * elements within the html scope.
+ */
+html [lang] {
+  outline: 1px dotted gray;
+}
+html [lang]:after {
+  content: " ("attr(lang)")";
+  font-size: 10px;
+  color: #666;
+}

core/themes/stable/stable.info.yml

@@ -21,6 +21,10 @@ libraries-override:
     css:
       component:
         css/plugins/drupalimagecaption/ckeditor.drupalimagecaption.css: css/ckeditor/plugins/drupalimagecaption/ckeditor.drupalimagecaption.css
+  ckeditor/drupal.ckeditor.plugins.language:
+    css:
+      component:
+        css/plugins/language/ckeditor.language.css: css/ckeditor/plugins/language/ckeditor.language.css
   ckeditor/drupal.ckeditor.admin:
     css:
       theme:

core/themes/stable/stable.theme

@@ -0,0 +1,25 @@
+<?php
+
+/**
+ * @file
+ * Functions to support theming in the Stable theme.
+ */
+
+use Drupal\Component\Utility\Html;
+
+/**
+ * Implements template_preprocess_links().
+ */
+function stable_preprocess_links(&$variables) {
+  // @deprecated in Drupal 8.0.x and will be removed before 9.0.0. This feature
+  // of adding a class based on the associative key can cause CSS class name
+  // conflicts.
+  if (!empty($variables['links'])) {
+    foreach ($variables['links'] as $key => $value) {
+      if (!is_numeric($key)) {
+        $class = Html::getClass($key);
+        $variables['links'][$key]['attributes']->addClass($class);
+      }
+    }
+  }
+}

core/themes/stable/templates/admin/block-list.html.twig

@@ -1,21 +0,0 @@
-{#
-/**
- * @file
- * Two column template for the block add/edit form.
- *
- * This template will be used when a block edit form specifies 'block_edit_form'
- * as its #theme callback.  Otherwise, by default, block add/edit forms will be
- * themed by form.html.twig.
- *
- * Available variables:
- * - form: The block add/edit form.
- */
-#}
-<div class="layout-block-list clearfix">
-  <div class="layout-region block-list-primary">
-    {{ form|without('place_blocks') }}
-  </div>
-  <div class="layout-region block-list-secondary">
-    {{ form.place_blocks }}
-  </div>
-</div>

core/themes/stable/templates/admin/help-section.html.twig

@@ -0,0 +1,23 @@
+{#
+/**
+ * @file
+ * Theme override for a section of the help page.
+ *
+ * Available variables:
+ * - title: The section title.
+ * - description: The description text for the section.
+ * - links: Links to display in the section.
+ * - empty: Text to display if there are no links.
+ */
+#}
+<h2>{{ title }}</h2>
+<p>{{ description }}</p>
+{% if links %}
+  <ul>
+  {% for link in links %}
+    <li>{{ link }}</li>
+  {% endfor %}
+  </ul>
+{% else %}
+  <p>{{ empty }}</p>
+{% endif %}

core/themes/stable/templates/content-edit/entity-add-list.html.twig

@@ -0,0 +1,30 @@
+{#
+/**
+ * @file
+ * Default theme implementation to present a list of available bundles.
+ *
+ * Available variables:
+ *   - bundles: A list of bundles, each with the following properties:
+ *     - label: Bundle label.
+ *     - description: Bundle description.
+ *     - add_link: Link to create an entity of this bundle.
+ *   - add_bundle_message: The message shown when there are no bundles. Only
+ *                         available if the entity type uses bundle entities.
+ *
+ * @see template_preprocess_entity_add_list()
+ *
+ * @ingroup themeable
+ */
+#}
+{% if bundles is not empty %}
+  <dl>
+    {% for bundle in bundles %}
+      <dt>{{ bundle.add_link }}</dt>
+      <dd>{{ bundle.description }}</dd>
+    {% endfor %}
+  </dl>
+{% elseif add_bundle_message is not empty %}
+  <p>
+    {{ add_bundle_message }}
+  </p>
+{% endif %}

core/themes/stable/templates/content/taxonomy-term.html.twig

@@ -23,7 +23,7 @@
  * @see template_preprocess_taxonomy_term()
  */
 #}
-<div{{ attributes}}>
+<div{{ attributes }}>
   {{ title_prefix }}
   {% if not page %}
     <h2><a href="{{ url }}">{{ name }}</a></h2>

core/themes/stable/templates/navigation/links.html.twig

@@ -13,7 +13,6 @@
  *     to l() as its $options parameter.
  *   - attributes: (optional) HTML attributes for the anchor, or for the <span>
  *     tag if no 'href' is supplied.
- *   - link_key: The link CSS class.
  * - heading: (optional) A heading to precede the links.
  *   - text: The heading text.
  *   - level: The heading level (e.g. 'h2', 'h3').
@@ -41,8 +40,8 @@
     {%- endif -%}
   {%- endif -%}
   <ul{{ attributes }}>
-    {%- for key, item in links -%}
-      <li{{ item.attributes.addClass(key|clean_class) }}>
+    {%- for item in links -%}
+      <li{{ item.attributes }}>
         {%- if item.link -%}
           {{ item.link }}
         {%- elseif item.text_attributes -%}