Close #3194
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 2b807eb..a3b3549 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -187,6 +187,7 @@
- Changed ``limit()`` to ignore NULL values instead of always casting to integer.
- Changed ``offset()`` to ignore empty values instead of always casting to integer.
- Methods ``insert_batch()`` and ``update_batch()`` now return an integer representing the number of rows affected by them.
+ - Methods ``where()``, ``or_where()``, ``having()`` and ``or_having()`` now convert trailing ``=`` and ``<>``, ``!=`` SQL operators to ``IS NULL`` and ``IS NOT NULL`` respectively when the supplied comparison value is ``NULL``.
- :doc:`Database Results <database/results>` changes include: