Open preview in new window (#6395)

Make this preview button match the other Preview/Draft/Live buttons in admin UI

CHANGELOG.txt

@@ -21,6 +21,7 @@ Changelog
  * Slug generation no longer removes stopwords (Andy Chosak, Scott Cranfill)
  * Add check to disallow StreamField block names that do not match Python variable syntax (François Poulain)
  * The `BASE_URL` setting is now converted to a str, if it isn't already, when constructing API URLs (thenewguy)
+ * Preview from 'pages awaiting moderation' now opens in a new window (Cynthia Kiser)
  * Fix: Make page-level actions accessible to keyboard users in page listing tables (Jesse Menn)
  * Fix: `WAGTAILFRONTENDCACHE_LANGUAGES` was being interpreted incorrectly. It now accepts a list of strings, as documented (Karl Hobley)
  * Fix: Update oEmbed endpoints to use https where available (Matt Westcott)

docs/releases/2.11.rst

@@ -30,6 +30,7 @@ Other features
  * Slug generation no longer removes stopwords (Andy Chosak, Scott Cranfill)
  * Add check to disallow StreamField block names that do not match Python variable syntax (François Poulain)
  * The ``BASE_URL`` setting is now converted to a str, if it isn't already, when constructing API URLs (thenewguy)
+ * Preview from 'pages awaiting moderation' now opens in a new window (Cynthia Kiser)
 
 
 Bug fixes

wagtail/admin/templates/wagtailadmin/home/workflow_pages_to_moderate.html

@@ -44,7 +44,7 @@
                                         {% endif %}
                                         {% if revision.page.is_previewable %}
                                             <li>
-                                                <a href="{% url 'wagtailadmin_pages:workflow_preview' revision.page.id task_state.task.id %}" class="button button-small button-secondary">{% trans 'Preview' %}</a>
+                                                <a href="{% url 'wagtailadmin_pages:workflow_preview' revision.page.id task_state.task.id %}" class="button button-small button-secondary" target="_blank" rel="noopener noreferrer">{% trans 'Preview' %}</a>
                                             </li>
                                         {% endif %}
                                     </ul>