diff --git a/release-notes/VERSION-2.x b/release-notes/VERSION-2.x
index 63341430..8a4940e7 100644
--- a/release-notes/VERSION-2.x
+++ b/release-notes/VERSION-2.x
@@ -11,6 +11,11 @@ NOTE: Annotations module will never contain changes in patch versions,
 === Releases ===
 ------------------------------------------------------------------------
 
+2.10.0 (not yet released)
+
+#141: Add `JsonFormat.Feature.ACCEPT_CASE_INSENSITIVE_PROPERTIES`
+ (suggested by Craig P)
+
 2.10.0.pr2 (31-Aug-2019)
 2.10.0.pr1 (19-Jul-2019)