Fix #2195 (last changes)
diff --git a/release-notes/VERSION-2.x b/release-notes/VERSION-2.x
index 3a1bcc0..07f1627 100644
--- a/release-notes/VERSION-2.x
+++ b/release-notes/VERSION-2.x
@@ -21,6 +21,8 @@
 #2187: Make `JsonNode.toString()` use shared `ObjectMapper` to produce valid json
 #2189: `TreeTraversingParser` does not check int bounds
  (reported by Alexander S)
+#2195: Add abstraction `PolymorphicTypeValidator`, for limiting subtypes allowed by
+  default typing, `@JsonTypeInfo`
 #2196: Type safety for `readValue()` with `TypeReference`
  (suggested by nguyenfilip@github)
 #2204: Add `JsonNode.isEmpty()` as convenience alias