--- /dev/null
+{#
+/**
+ * @file
+ * Default theme implementation for a list of maintenance tasks to perform.
+ *
+ * Available variables:
+ * - tasks: A list of maintenance tasks to perform. Each item in the list has
+ * the following variables:
+ * - item: The maintenance task.
+ * - attributes: HTML attributes for the maintenance task.
+ * - status: (optional) Text describing the status of the maintenance task,
+ * 'active' or 'done'.
+ *
+ * @ingroup themeable
+ */
+#}
+<h2 class="visually-hidden">{{ 'Installation tasks'|t }}</h2>
+<ol class="task-list">
+{% for task in tasks %}
+ <li{{ task.attributes }}>
+ {{ task.item }}
+ {% if task.status %}<span class="visually-hidden"> ({{ task.status }})</span>{% endif %}
+ </li>
+{% endfor %}
+</ol>