Fix #2015 (or, rather, add test to verify, likely fixed with #2023)
diff --git a/release-notes/VERSION-2.x b/release-notes/VERSION-2.x
index 29ceb9d..1f56fee 100644
--- a/release-notes/VERSION-2.x
+++ b/release-notes/VERSION-2.x
@@ -21,6 +21,9 @@
 #2001: Deserialization issue with `@JsonIgnore` and `@JsonCreator` + `@JsonProperty`
   for same property name
  (reported, fix contributed by Jakub S)
+#2015: `@Jsonsetter with Nulls.SKIP` collides with
+  `DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_AS_NULL` when parsing enum
+ (reported by ndori@github)
 #2016: Delegating JsonCreator disregards JsonDeserialize info
  (reported by Carter K)
 #2019: Abstract Type mapping in 2.9 fails when multiple modules are registered