Incremental work for #633, to suppress serialization of null type id, if possible (not possible with as-array wrapper)_
diff --git a/release-notes/VERSION b/release-notes/VERSION
index 05dd62e..27550d2 100644
--- a/release-notes/VERSION
+++ b/release-notes/VERSION
@@ -18,6 +18,7 @@
#684: FAIL_ON_NUMBERS_FOR_ENUMS does not fail when integer value is quoted
(reported by kllp@github)
- Add a work-around in `ISO8601DateFormat` to allow omission of ':' from timezone
+- Bit more work to complete #633
2.5.0 (01-Jan-2015)