--- a/doc/3.21.rst Thu Mar 26 08:34:47 2015 +0100
+++ b/doc/3.21.rst Mon Mar 16 16:46:34 2015 +0100
@@ -9,6 +9,14 @@
.. _cube: https://www.cubicweb.org/project/cubicweb-timeline
+API changes
+-----------
+
+* req.set_cookie's "expires" argument, if not None, is expected to be a
+ date or a datetime in UTC. It was previously interpreted as localtime
+ with the UTC offset the server started in, which was inconsistent (we
+ are not aware of any users of that API).
+
Deprecated code drops
---------------------