Update to Drupal 8.0.0 beta 14. For more information, see https://drupal.org/node/2544542

core/modules/system/templates/feed-icon.html.twig

@@ -5,14 +5,13 @@
  *
  * Available variables:
  * - url: An internal system path or a fully qualified external URL of the feed.
- * - icon: The rendered HTML (<img> tag) for the feed icon image.
  * - attributes: Remaining HTML attributes for the feed link.
  *   - title: A descriptive title of the feed link.
  *   - class: HTML classes to be applied to the feed link.
  *
- * @see template_preprocess_feed_icon()
- *
  * @ingroup themeable
  */
 #}
-<a href="{{ url }}"{{ attributes.addClass('feed-icon')|without('href') }}>{{ icon }}</a>
+<a href="{{ url }}"{{ attributes.addClass('feed-icon') }}>
+  {{ 'Subscribe to @title'|t({'@title': title}) }}
+</a>

core/modules/system/templates/form-element.html.twig

@@ -53,7 +53,7 @@
     'form-item-' ~ name|clean_class,
     title_display not in ['after', 'before'] ? 'form-no-label',
     disabled == 'disabled' ? 'form-disabled',
-    errors ? 'form-error',
+    errors ? 'form-item--error',
   ]
 %}
 {%
@@ -82,7 +82,7 @@
     {{ label }}
   {% endif %}
   {% if errors %}
-    <div class="form-error-message">
+    <div class="form-item--error-message">
       {{ errors }}
     </div>
   {% endif %}

core/modules/system/templates/links.html.twig

@@ -11,8 +11,6 @@
  *   - href: The link URL. If omitted, the 'title' is shown as a plain text
  *     item in the links list. If 'href' is supplied, the entire link is passed
  *     to l() as its $options parameter.
- *   - html: (optional) Whether or not 'title' is HTML. If set, the title will
- *     not be passed through \Drupal\Component\Utility\SafeMarkup::checkPlain().
  *   - attributes: (optional) HTML attributes for the anchor, or for the <span>
  *     tag if no 'href' is supplied.
  *   - link_key: The link CSS class.

core/modules/system/templates/select.html.twig

@@ -12,4 +12,18 @@
  * @ingroup themeable
  */
 #}
-<select{{ attributes }}>{{ options }}</select>
+{% spaceless %}
+  <select{{ attributes }}>
+    {% for option in options %}
+      {% if option.type == 'optgroup' %}
+        <optgroup label="{{ option.label }}">
+          {% for sub_option in option.options %}
+            <option value="{{ sub_option.value }}"{{ sub_option.selected ? ' selected="selected"' }}>{{ sub_option.label }}</option>
+          {% endfor %}
+        </optgroup>
+      {% elseif option.type == 'option' %}
+        <option value="{{ option.value }}"{{ option.selected ? ' selected="selected"' }}>{{ option.label }}</option>
+      {% endif %}
+    {% endfor %}
+  </select>
+{% endspaceless %}

core/modules/system/templates/status-report.html.twig

@@ -25,10 +25,8 @@
   </thead>
   <tbody>
   {% for requirement in requirements %}
-    {% if requirement.severity_status in ['warning', 'error'] %}
+    {% if requirement.severity_status %}
       <tr class="system-status-report__entry color-{{ requirement.severity_status }}">
-    {% else %}
-      <tr class="system-status-report__entry">
     {% endif %}
         <td class="system-status-report__status-icon system-status-report__status-icon--{{ requirement.severity_status }}">
           <div title="{{ requirement.severity_title }}">