Added test for #1329 and improved changelog

CHANGES.rst

@@ -25,8 +25,8 @@ Unreleased
 - Added a "Changes" column to ``SimpleHistoryAdmin``'s object history table, listing
   the changes between each historical record of the object; see the docs under
   "Customizing the History Admin Templates" for overriding its template context (gh-1128)
-- Fixed an issue causing m2m historical record to be saved even when
-  SIMPLE_HISTORY_ENABLED = False in settings.py (gh-1328)
+- Fixed the setting ``SIMPLE_HISTORY_ENABLED = False`` not preventing M2M historical
+  records from being created (gh-1328)
 
 3.5.0 (2024-02-19)
 ------------------

simple_history/tests/tests/test_models.py

@@ -2411,6 +2411,22 @@ def test_skip_history(self):
         self.assertEqual(skip_poll.history.all().count(), 2)
         self.assertEqual(skip_poll.history.all()[0].places.count(), 2)
 
+    @override_settings(SIMPLE_HISTORY_ENABLED=False)
+    def test_saving_with_disabled_history_doesnt_create_records(self):
+        # 1 from `setUp()`
+        self.assertEqual(PollWithManyToMany.history.count(), 1)
+
+        poll = PollWithManyToMany.objects.create(
+            question="skip history?", pub_date=today
+        )
+        poll.question = "huh?"
+        poll.save()
+        poll.places.add(self.place)
+
+        self.assertEqual(poll.history.count(), 0)
+        # The count should not have changed
+        self.assertEqual(PollWithManyToMany.history.count(), 1)
+
     def test_diff_against(self):
         self.poll.places.add(self.place)
         add_record, create_record = self.poll.history.all()