add note on DCOUNTER and DDERIVE

diff --git a/CHANGES b/CHANGES
index 75b009e36c7ecdd44ec33e33ef770106c2ccfc48..8d37cf5dc5d3107fb3f9df459d9993168c81f6ec 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -3,6 +3,8 @@ RRDtool 1.5.0-rc1 - 2015-01-08
 
 New Features
 ------------
+* new datasource types: DCOUNTER and DDERIVE (they work the same as the
+  original DS, except that they can deal with floatingpoint numbers).
 * compile without graphics libraries: ./configure --disable-rrd_graph
 * updated windows port (see WIN32-BUILD-TIPS.txt)
 * single step RRAs for MIN,MAX,LAST are generated virtually from