Ben Mullins
--- a/core/modules/system/templates/status-messages.html.twig
+++ b/core/modules/system/templates/status-messages.html.twig
 #}
 <div data-drupal-messages>
 {% for type, messages in message_list %}
-  <div role="contentinfo" aria-label="{{ status_headings[type] }}"{{ attributes|without('role', 'aria-label') }}>
+  <div role="region" aria-label="{{ status_headings[type] }}"{{ attributes|without('role', 'aria-label') }}>
    {% if type == 'error' %}
      <div role="alert">
+    {% elseif type == 'status' or type == 'warning' %}
+      <div role="status">
--- a/core/modules/system/templates/status-messages.html.twig
+++ b/core/modules/system/templates/status-messages.html.twig
    {% else %}
      {{ messages|first }}
    {% endif %}
-    {% if type == 'error' %}
+    {% if type in ['error', 'status', 'warning'] %}