Document patch #594001.
diff --git a/Misc/NEWS b/Misc/NEWS
index da2c81c..dbd718b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -66,6 +66,8 @@
 Core and builtins
 -----------------
 
+- Unicode file name processing for Windows (PEP 277) is implemented.
+
 - Codec error handling callbacks (PEP 293) are implemented.
   Error handling in unicode.encode or str.decode can now be customized.