Added a section to record datetime changes.  There's apparently going to
be an unbounded number of API changes <0.6 wink>.
diff --git a/Misc/NEWS b/Misc/NEWS
index 6997f03..0034710 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -17,6 +17,11 @@
 
 - fcntl now exposes the strops.h I_* constants.
 
+- datetime changes:
+
+  today() and now() now round system timestamps to the closest
+  microsecond <http://www.python.org/sf/661086>.
+
 Library
 -------