diff --git a/doc/source/pre/whatsnew/1.4.rst b/doc/source/pre/whatsnew/1.4.rst
index e6bdab37af2408d59e906cd86337d4af176fc3f7..840a1c76d5912c676a21b96d687721944f23650e 100644
--- a/doc/source/pre/whatsnew/1.4.rst
+++ b/doc/source/pre/whatsnew/1.4.rst
@@ -47,3 +47,12 @@ scattering region and leads you could do the following::
    fsyst = syst.finalized()
 
    kwant.smatrix(syst, params=dict(V_dot=0, V_lead=1))
+
+Interpolated density plots
+--------------------------
+A new function `~kwant.plotter.density` has been added that can be used to
+visualize a density defined over the sites of a Kwant system. This convolves
+the "discrete" density (defined over the system sites) with a "bump" function
+in realspace. The output of `~kwant.plotter.density` can be more informative
+that `~kwant.plotter.map` when plotting systems with many sites, where it is
+not important to see the individual contribution from each site.
diff --git a/kwant/plotter.py b/kwant/plotter.py
index 99ff47125d657deb071e4559c1621a3597d96eeb..d5b0f4c06b4a584cb68fc32a4433028f44d04a14 100644
--- a/kwant/plotter.py
+++ b/kwant/plotter.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2011-2017 Kwant authors.
+# Copyright 2011-2018 Kwant authors.
 #
 # This file is part of Kwant.  It is subject to the license terms in the file
 # LICENSE.rst found in the top-level directory of this distribution and at