Refactoring for [JACKSON-150].

diff --git a/release-notes/VERSION b/release-notes/VERSION
index ee195da..fa1c57a 100644
--- a/release-notes/VERSION
+++ b/release-notes/VERSION
@@ -7,6 +7,9 @@
 
   Fixes:
 
+  * [JACKSON-150] Some JAXB-required core types (XMLGregorianCalendar,
+    Duration, QName, DataHandler) were not supported adequately
+
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 == History: ==
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