Issue #27574: Decreased an overhead of parsing keyword arguments in functions
implemented with using Argument Clinic.
diff --git a/Doc/whatsnew/3.6.rst b/Doc/whatsnew/3.6.rst
index ca5b3e5..43a58a4 100644
--- a/Doc/whatsnew/3.6.rst
+++ b/Doc/whatsnew/3.6.rst
@@ -579,6 +579,13 @@
   deserializing many small objects (Contributed by Victor Stinner in
   :issue:`27056`).
 
+- Passing :term:`keyword arguments <keyword argument>` to a function has an
+  overhead in comparison with passing :term:`positional arguments
+  <positional argument>`.  Now in extension functions implemented with using
+  Argument Clinic this overhead is significantly decreased.
+  (Contributed by Serhiy Storchaka in :issue:`27574`).
+
+
 Build and C API Changes
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