1 files changed, 2 insertions, 0 deletions
diff --git a/CHANGES b/CHANGES
index fcbbdb432..9d3edcb89 100644
--- a/CHANGES
+++ b/CHANGES
@@ -15,6 +15,8 @@ Incompatible changes
   ``setup.py``).
 * #11364: Remove deprecated ``sphinx.ext.napoleon.iterators`` module.
 * #11365: Remove support for the ``jsdump`` format in ``sphinx.search``.
+* #11366: Make ``locale`` a required argument to
+  ``sphinx.util.i18n.format_date()``.
 
 Deprecated
 ----------