diff --git a/Misc/NEWS b/Misc/NEWS
index 24ec692..beabc9b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -255,6 +255,10 @@
 Library
 -------
 
+- Issue #1734234: Massively speedup ``unicodedata.normalize()`` when the
+  string is already in normalized form, by performing a quick check beforehand.
+  Original patch by Rauli Ruohonen.
+
 - Issue #5853: calling a function of the mimetypes module from several threads
   at once could hit the recursion limit if the mimetypes database hadn't been
   initialized before.