Refactoring: move TypeKey to a separate class in util; leave a deprecated shell in its place, to removed later on
diff --git a/release-notes/VERSION b/release-notes/VERSION
index 577015f..0c03649 100644
--- a/release-notes/VERSION
+++ b/release-notes/VERSION
@@ -25,6 +25,7 @@
  (reported by natnan@github)
 - Improvement to handling of custom `ValueInstantiator` for delegating mode; no more NPE
   if `getDelegateCreator()` returns null
+- Refactor `TypedKey` into separate util class
 
 2.5.1 (06-Feb-2015)