From cd20c38fafdc78cdfc49d044c7c1cfdd8c1080d9 Mon Sep 17 00:00:00 2001
From: Anton Akhmerov <anton.akhmerov@gmail.com>
Date: Thu, 8 Dec 2016 15:32:46 +0100
Subject: [PATCH] add whatsnew entry

---
 doc/source/pre/whatsnew/1.3.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/source/pre/whatsnew/1.3.rst b/doc/source/pre/whatsnew/1.3.rst
index 4607fbbf..b54a1b6d 100644
--- a/doc/source/pre/whatsnew/1.3.rst
+++ b/doc/source/pre/whatsnew/1.3.rst
@@ -62,3 +62,7 @@ sublattice) symmetry. When one or more of these symmetries are present,
 and it can be useful to have leads with scattering states that reflect this.
 It is now possible to these discrete symmetries in Kwant, which then uses
 them to construct scattering states that are accordingly symmetric.
+
+Pickling support
+----------------
+It is now possible to pickle and unpickle Kwant ``Builder`` and ``System``.
-- 
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