Ensure updated comments notifications (text) render unescaped strings

Fixes #11143

CHANGELOG.txt

@@ -11,6 +11,7 @@ Changelog
  * Fix: Add a fallback background for the editing preview iframe for sites without a background (Ian Price)
  * Fix: Preserve whitespace in rendered comments (Elhussein Almasri)
  * Fix: Remove search logging from project template so that new projects without the search promotions module will not error (Matt Westcott)
+ * Fix: Ensure text only email notifications for updated comments do not escape HTML characters (Rohit Sharma)
  * Docs: Document, for contributors, the use of translate string literals passed as arguments to tags and filters using `_()` within templates (Chiemezuo Akujobi)
  * Maintenance: Update BeautifulSoup upper bound to 4.12.x (scott-8)
  * Maintenance: Migrate initialization of classes (such as `body.ready`) from multiple JavaScript implementations to one Stimulus controller `w-init` (Chiemezuo Akujobi)
@@ -25,6 +26,7 @@ Changelog
 
  * Fix: Add a fallback background for the editing preview iframe for sites without a background (Ian Price)
  * Fix: Remove search logging from project template so that new projects without the search promotions module will not error (Matt Westcott)
+ * Fix: Ensure text only email notifications for updated comments do not escape HTML characters (Rohit Sharma)
  * Docs: Fix code example for `{% picture ... as ... %}` template tag (Rezyapkin)
 
 

docs/releases/5.2.1.md

@@ -16,6 +16,7 @@ depth: 1
 
  * Add a fallback background for the editing preview iframe for sites without a background (Ian Price)
  * Remove search logging from project template so that new projects without the search promotions module will not error (Matt Westcott)
+ * Ensure text only email notifications for updated comments do not escape HTML characters (Rohit Sharma)
 
 ### Documentation
 

docs/releases/6.0.md

@@ -24,6 +24,7 @@ depth: 1
  * Add a fallback background for the editing preview iframe for sites without a background (Ian Price)
  * Preserve whitespace in rendered comments (Elhussein Almasri)
  * Remove search logging from project template so that new projects without the search promotions module will not error (Matt Westcott)
+ * Ensure text only email notifications for updated comments do not escape HTML characters (Rohit Sharma)
 
 ### Documentation
 

wagtail/admin/templates/wagtailadmin/notifications/updated_comments.txt

@@ -27,8 +27,8 @@
 
 {% trans "New replies:" %}{% for thread in replied_comments %}
 
-  {% trans 'New replies to:' %} "{{ thread.comment.text }}"{% for reply in thread.replies %}
+  {% trans 'New replies to:' %} "{{ thread.comment.text|safe }}"{% for reply in thread.replies %}
-   - "{{ reply.text }}"{% endfor %}{% endfor %}{% endif %}
+   - "{{ reply.text|safe }}"{% endfor %}{% endfor %}{% endif %}
 
 {% trans "You can edit the page here:" %} {{ base_url }}{% url 'wagtailadmin_pages:edit' page.id %}
 {% endblock %}