* various improvements to rrd_open functions and mmap handling
by Daniel Pocock
+* allow the HW smoothing window size to be set to 0 with rrdtool tune
+ by sylvain luiset
+
+* new graph option --border to set the 3d border width
+ by Bernhard Reutner-Fischer
+
+* draw different color swats depending on the type of line drawn in the
+ graph by Loïc Tortay
+
for more detail see the CHANGES file.