diff --git a/doc/whats-new.rst b/doc/whats-new.rst
index ecf1702c356..dec80590c11 100644
--- a/doc/whats-new.rst
+++ b/doc/whats-new.rst
@@ -61,6 +61,10 @@ Internal Changes
 ~~~~~~~~~~~~~~~~
 - Move non-CF related ``ensure_dtype_not_object`` from conventions to backends (:pull:`9828`).
   By `Kai Mühlbauer <https://github.com/kmuehlbauer>`_.
+- Move handling of scalar datetimes into ``_possibly_convert_objects``
+  within ``as_compatible_data``. This is consistent with how lists of these objects
+  will be converted (:pull:`9900`).
+  By `Kai Mühlbauer <https://github.com/kmuehlbauer>`_.
 
 .. _whats-new.2024.11.0: