Add notes regarding #407
diff --git a/release-notes/VERSION b/release-notes/VERSION
index ae2d416..148a9a9 100644
--- a/release-notes/VERSION
+++ b/release-notes/VERSION
@@ -5,6 +5,9 @@
  (reported by electricmonk@github)
 #381: Allow inlining/unwrapping of value from single-component JSON array
  (contributed by yinzara@github)
+#407: Properly use null handlers for value types when serializer Collection
+ and array types
+ (contributed by Will P)
 
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 === History: ===