diff --git a/solr/CHANGES.txt b/solr/CHANGES.txt
index 68a35ce760b..99ae09edf96 100644
--- a/solr/CHANGES.txt
+++ b/solr/CHANGES.txt
@@ -80,6 +80,8 @@ Upgrading from Solr 5.x
 
 * SOLR-8698: 'useParams' attribute specified in request handler cannot be overridden from request params
 
+* When requesting stats in date fields, "sum" is now a double value instead of a date. See SOLR-8671
+
 Detailed Change List
 ----------------------