From: Brett Cannon <brett@python.org>
Date: Fri, 9 Sep 2016 18:18:21 +0000 (-0700)
Subject: Mention how requiring ordered dicts breaks backwards-compatibility.
X-Git-Tag: v3.6.0b1~199
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=6760c690227cc915c5e721c0e5b1a0ba9a94e20e;p=thirdparty%2FPython%2Fcpython.git

Mention how requiring ordered dicts breaks backwards-compatibility.
---

diff --git a/Doc/whatsnew/3.6.rst b/Doc/whatsnew/3.6.rst
index a150d9d1f7f3..e14125afb408 100644
--- a/Doc/whatsnew/3.6.rst
+++ b/Doc/whatsnew/3.6.rst
@@ -422,7 +422,9 @@ Some smaller changes made to the core Python language are:
   to have this new dict implementation in the language for a few
   releases before changing the language spec to mandate
   order-preserving semantics for all current and future Python
-  implementations).
+  implementations; this also helps preserve backwards-compatibility
+  with older versions of the language where random iteration order is
+  still in effect, e.g. Python 3.5).
   (Contributed by INADA Naoki in :issue:`27350`. Idea
   `originally suggested by Raymond Hettinger
   <https://mail.python.org/pipermail/python-dev/2012-December/123028.html>`_.)