mention negative caching in whatsnew

diff --git a/doc/whatsnew.rst b/doc/whatsnew.rst
index 5aab58e8c008687d53aed6cc2dd980b9cb1f45c0..4dc8047127fb87dca83edfe4b7a006e6cf28d88c 100644 (file)
--- a/doc/whatsnew.rst
+++ b/doc/whatsnew.rst
@@ -66,3 +66,4 @@ What's New in dnspython 2.0.0
 * Rounding is done in the standard python 3 fashion; dnspython 1.x rounded
   in the python 2 style on both python 2 and 3.
 
+* The resolver will now do negative caching if a cache has been configured.