Fix #1998
diff --git a/release-notes/VERSION-2.x b/release-notes/VERSION-2.x
index 17d72dc..6cf0538 100644
--- a/release-notes/VERSION-2.x
+++ b/release-notes/VERSION-2.x
@@ -8,6 +8,9 @@
 
 #1565: Deserialization failure with Polymorphism using JsonTypeInfo `defaultImpl`,
   subtype as target
+#1998: Removing "type" attribute with Mixin not taken in account if
+  using ObjectMapper.copy()
+ (reported by SBKila@github)
 
 2.9.5 (26-Mar-2018)