Update change log.

yfakariya · yfakariya · commit a495aeeee86a · 2017-08-30T23:38:53.000+09:00
diff --git a/CHANGES.txt b/CHANGES.txt
@@ -703,3 +703,6 @@ Release 0.9.0 2017-8-26
   * Fix polymorphic serializer error in Unity.
 
 Release 1.0.0-beta1 T.B.D.
+
+  NEW FEATURES
+  * .NET Standard 2.0 which supports serializer source code generation on .NET Core. Note that serializer assembly generation is not supported.
