diff --git a/django/forms/jinja2/django/forms/field.html b/django/forms/jinja2/django/forms/field.html
index 21035b72e464..642d45ddc74b 100644
--- a/django/forms/jinja2/django/forms/field.html
+++ b/django/forms/jinja2/django/forms/field.html
@@ -1,5 +1,5 @@
 {% if field.use_fieldset %}
-  <fieldset>
+  <fieldset{% if field.help_text and field.auto_id and "aria-describedby" not in field.field.widget.attrs %} aria-describedby="{{ field.auto_id }}_helptext"{% endif %}>
   {% if field.label %}{{ field.legend_tag() }}{% endif %}
 {% else %}
   {% if field.label %}{{ field.label_tag() }}{% endif %}
diff --git a/django/forms/templates/django/forms/field.html b/django/forms/templates/django/forms/field.html
index f8b0cdedd561..a4548fe54f9d 100644
--- a/django/forms/templates/django/forms/field.html
+++ b/django/forms/templates/django/forms/field.html
@@ -1,10 +1,9 @@
 {% if field.use_fieldset %}
-  <fieldset>
+  <fieldset{% if field.help_text and field.auto_id and "aria-describedby" not in field.field.widget.attrs %} aria-describedby="{{ field.auto_id }}_helptext"{% endif %}>
   {% if field.label %}{{ field.legend_tag }}{% endif %}
 {% else %}
   {% if field.label %}{{ field.label_tag }}{% endif %}
 {% endif %}
 {% if field.help_text %}<div class="helptext"{% if field.auto_id %} id="{{ field.auto_id }}_helptext"{% endif %}>{{ field.help_text|safe }}</div>{% endif %}
 {{ field.errors }}
-{{ field }}
-{% if field.use_fieldset %}</fieldset>{% endif %}
+{{ field }}{% if field.use_fieldset %}</fieldset>{% endif %}
diff --git a/docs/faq/admin.txt b/docs/faq/admin.txt
index 7c6f7a12c7e0..7043676e271c 100644
--- a/docs/faq/admin.txt
+++ b/docs/faq/admin.txt
@@ -109,3 +109,12 @@ Android and iOS.
 
 Depending on feature support, there *may* be minor stylistic differences
 between browsers. These are considered acceptable variations in rendering.
+
+What assistive technologies are supported for using the admin?
+==============================================================
+
+The admin is intended to be compatible with a wide range of assistive
+technologies, but there are currently many blockers. The support target is all
+latest versions of major assistive technologies, including Dragon, JAWS, NVDA,
+Orca, TalkBack, Voice Control, VoiceOver, Windows Contrast Themes, ZoomText,
+and screen magnifiers.
diff --git a/docs/howto/error-reporting.txt b/docs/howto/error-reporting.txt
index 74e11a6951ab..84fe3cb768d6 100644
--- a/docs/howto/error-reporting.txt
+++ b/docs/howto/error-reporting.txt
@@ -194,17 +194,6 @@ filtered out of error reports in a production environment (that is, where
             def process_info(user):
                 ...
 
-    .. warning::
-
-        Due to the machinery needed to cross the sync/async boundary,
-        :func:`~asgiref.sync.sync_to_async` and
-        :func:`~asgiref.sync.async_to_sync` are **not** compatible with
-        ``sensitive_variables()``.
-
-        If using these adapters with sensitive variables, ensure to audit
-        exception reporting, and consider implementing a :ref:`custom filter
-        <custom-error-reports>` if necessary.
-
     .. versionchanged:: 5.0
 
         Support for wrapping ``async`` functions was added.
diff --git a/docs/ref/forms/fields.txt b/docs/ref/forms/fields.txt
index 9dff2d4007f3..ed685cfff654 100644
--- a/docs/ref/forms/fields.txt
+++ b/docs/ref/forms/fields.txt
@@ -283,9 +283,10 @@ fields. We've specified ``auto_id=False`` to simplify the output:
     <div>Sender:<div class="helptext">A valid email address, please.</div><input type="email" name="sender" required></div>
     <div>Cc myself:<input type="checkbox" name="cc_myself"></div>
 
-When a field has help text and the widget is not rendered in a ``<fieldset>``,
-``aria-describedby`` is added to the ``<input>`` to associate it to the
-help text:
+When a field has help text it is associated with its input using the
+``aria-describedby`` HTML attribute. If the widget is rendered in a
+``<fieldset>`` then ``aria-describedby`` is added to this element, otherwise it
+is added to the widget's ``<input>``:
 
 .. code-block:: pycon
 
@@ -325,6 +326,10 @@ inside ``aria-describedby``:
 
     ``aria-describedby`` was added to associate ``help_text`` with its input.
 
+.. versionchanged:: 5.1
+
+    ``aria-describedby`` support was added for ``<fieldset>``.
+
 ``error_messages``
 ------------------
 
diff --git a/docs/releases/5.1.txt b/docs/releases/5.1.txt
index d6c07d9c222b..b90808be3c72 100644
--- a/docs/releases/5.1.txt
+++ b/docs/releases/5.1.txt
@@ -138,7 +138,9 @@ File Uploads
 Forms
 ~~~~~
 
-* ...
+* In order to improve accessibility and enable screen readers to associate
+  fieldsets with their help text, the form fieldset now includes the
+  ``aria-describedby`` HTML attribute.
 
 Generic Views
 ~~~~~~~~~~~~~
diff --git a/docs/spelling_wordlist b/docs/spelling_wordlist
index 18d01c7e7cba..c217719a8a29 100644
--- a/docs/spelling_wordlist
+++ b/docs/spelling_wordlist
@@ -328,6 +328,7 @@ OGC
 OGR
 ons
 orderable
+Orca
 Orléans
 orm
 Outdim
diff --git a/docs/topics/async.txt b/docs/topics/async.txt
index 8a9857a0df2d..6c9d35b53326 100644
--- a/docs/topics/async.txt
+++ b/docs/topics/async.txt
@@ -401,17 +401,3 @@ trigger the thread safety checks:
 Rather, you should encapsulate all database access within a helper function
 that can be called with ``sync_to_async()`` without relying on the connection
 object in the calling code.
-
-Use with exception reporting filters
-------------------------------------
-
-.. warning::
-
-    Due to the machinery needed to cross the sync/async boundary,
-    ``sync_to_async()`` and ``async_to_sync()`` are **not** compatible with
-    :func:`~django.views.decorators.debug.sensitive_variables`, used to mask
-    local variables from exception reports.
-
-    If using these adapters with sensitive variables, ensure to audit exception
-    reporting, and consider implementing a :ref:`custom filter
-    <custom-error-reports>` if necessary.
diff --git a/tests/forms_tests/tests/test_forms.py b/tests/forms_tests/tests/test_forms.py
index 877571726d42..19ca978c4523 100644
--- a/tests/forms_tests/tests/test_forms.py
+++ b/tests/forms_tests/tests/test_forms.py
@@ -3097,6 +3097,100 @@ class UserRegistration(Form):
             "</span></td></tr>",
         )
 
+    def test_aria_describedby_custom_widget_id(self):
+        class UserRegistration(Form):
+            username = CharField(
+                max_length=255,
+                help_text="e.g., user@example.com",
+                widget=TextInput(attrs={"id": "custom-id"}),
+            )
+
+        f = UserRegistration()
+        self.assertHTMLEqual(
+            str(f),
+            '<div><label for="custom-id">Username:</label>'
+            '<div class="helptext" id="id_username_helptext">e.g., user@example.com'
+            '</div><input type="text" name="username" id="custom-id" maxlength="255" '
+            'required aria-describedby="id_username_helptext"></div>',
+        )
+
+    def test_fieldset_aria_describedby(self):
+        class FieldsetForm(Form):
+            checkbox = MultipleChoiceField(
+                choices=[("a", "A"), ("b", "B")],
+                widget=CheckboxSelectMultiple,
+                help_text="Checkbox help text",
+            )
+            radio = MultipleChoiceField(
+                choices=[("a", "A"), ("b", "B")],
+                widget=RadioSelect,
+                help_text="Radio help text",
+            )
+            datetime = SplitDateTimeField(help_text="Enter Date and Time")
+
+        f = FieldsetForm()
+        self.assertHTMLEqual(
+            str(f),
+            '<div><fieldset aria-describedby="id_checkbox_helptext">'
+            "<legend>Checkbox:</legend>"
+            '<div class="helptext" id="id_checkbox_helptext">Checkbox help text</div>'
+            '<div id="id_checkbox"><div>'
+            '<label for="id_checkbox_0"><input type="checkbox" name="checkbox" '
+            'value="a" id="id_checkbox_0" /> A</label>'
+            "</div><div>"
+            '<label for="id_checkbox_1"><input type="checkbox" name="checkbox" '
+            'value="b" id="id_checkbox_1" /> B</label>'
+            "</div></div></fieldset></div>"
+            '<div><fieldset aria-describedby="id_radio_helptext">'
+            "<legend>Radio:</legend>"
+            '<div class="helptext" id="id_radio_helptext">Radio help text</div>'
+            '<div id="id_radio"><div>'
+            '<label for="id_radio_0"><input type="radio" name="radio" value="a" '
+            'required id="id_radio_0" />A</label>'
+            "</div><div>"
+            '<label for="id_radio_1"><input type="radio" name="radio" value="b" '
+            'required id="id_radio_1" /> B</label>'
+            "</div></div></fieldset></div>"
+            '<div><fieldset aria-describedby="id_datetime_helptext">'
+            "<legend>Datetime:</legend>"
+            '<div class="helptext" id="id_datetime_helptext">Enter Date and Time</div>'
+            '<input type="text" name="datetime_0" required id="id_datetime_0" />'
+            '<input type="text" name="datetime_1" required id="id_datetime_1" />'
+            "</fieldset></div>",
+        )
+        f = FieldsetForm(auto_id=False)
+        # aria-describedby is not included.
+        self.assertIn("<fieldset>", str(f))
+        self.assertIn('<div class="helptext">', str(f))
+        f = FieldsetForm(auto_id="custom_%s")
+        # aria-describedby uses custom auto_id.
+        self.assertIn('fieldset aria-describedby="custom_checkbox_helptext"', str(f))
+        self.assertIn('<div class="helptext" id="custom_checkbox_helptext">', str(f))
+
+    def test_fieldset_custom_aria_describedby(self):
+        # aria-describedby set on widget results in aria-describedby being
+        # added to widget and not the <fieldset>.
+        class FieldsetForm(Form):
+            checkbox = MultipleChoiceField(
+                choices=[("a", "A"), ("b", "B")],
+                widget=CheckboxSelectMultiple(attrs={"aria-describedby": "custom-id"}),
+                help_text="Checkbox help text",
+            )
+
+        f = FieldsetForm()
+        self.assertHTMLEqual(
+            str(f),
+            "<div><fieldset><legend>Checkbox:</legend>"
+            '<div class="helptext" id="id_checkbox_helptext">Checkbox help text</div>'
+            '<div id="id_checkbox"><div>'
+            '<label for="id_checkbox_0"><input type="checkbox" name="checkbox" '
+            'value="a" aria-describedby="custom-id" id="id_checkbox_0" />A</label>'
+            "</div><div>"
+            '<label for="id_checkbox_1"><input type="checkbox" name="checkbox" '
+            'value="b" aria-describedby="custom-id" id="id_checkbox_1" />B</label>'
+            "</div></div></fieldset></div>",
+        )
+
     def test_as_widget_custom_aria_describedby(self):
         class FoodForm(Form):
             intl_name = CharField(help_text="The food's international name.")