#12266: Fix str.capitalize() to correctly uppercase/lowercase titlecased and cased non-letter characters.
diff --git a/Misc/NEWS b/Misc/NEWS
index 585a56c..497e3d4 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -9,6 +9,9 @@
 Core and Builtins
 -----------------
 
+- Issue #12266: Fix str.capitalize() to correctly uppercase/lowercase
+  titlecased and cased non-letter characters.
+
 - Issues #12610 and #12609: Verify that user generated AST has correct string
   and identifier types before compiling.