Issue #22609: Constructors and update methods of mapping classes in the
collections module now accept the self keyword argument.
diff --git a/Misc/NEWS b/Misc/NEWS
index 9de1f47..7f1cd55 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -13,6 +13,9 @@
 Library
 -------
 
+- Issue #22609: Constructors and update methods of mapping classes in the
+  collections module now accept the self keyword argument.
+
 
 What's New in Python 2.7.9 release candidate 1?
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