Patch #1635454: the csv.DictWriter class now includes the offending
field names in its exception message if you try to write a record with
a dictionary containing fields not in the CSV field names list.
diff --git a/Misc/NEWS b/Misc/NEWS
index 79d242b..33f6d9a 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -168,6 +168,10 @@
Library
-------
+- Patch #1635454: the csv.DictWriter class now includes the offending
+ field names in its exception message if you try to write a record with
+ a dictionary containing fields not in the CSV field names list.
+
- Patch #1668100: urllib2 now correctly raises URLError instead of
OSError if accessing a local file via the file:// protocol fails.