Issue #11297: Add collections.ChainMap()
diff --git a/Misc/NEWS b/Misc/NEWS
index d3d813c..30fa398 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -35,6 +35,8 @@
 Library
 -------
 
+- Issue #11297: Add collections.ChainMap().
+
 - Issue #10755: Add the posix.fdlistdir() function.  Patch by Ross Lagerwall.
 
 - Issue #4761: Add the *at() family of functions (openat(), etc.) to the posix