Update README.md

xerial · xerial · commit 279ccc1a2675 · 2014-11-02T11:14:14.000+09:00
diff --git a/README.md b/README.md
@@ -5,6 +5,8 @@ MessagePack for Java
 
  * Message Pack specification: <https://github.com/msgpack/msgpack/blob/master/spec.md>
 
+MessagePack v7 (0.7.x) is a faster implementation of the previous version [v06](https://github.com/msgpack/msgpack-java/blob/v06), and supports all of the message pack types, including extended types, in the specification. 
+
 ## Quick Start
 
 For Maven users:
