diff --git a/README.md b/README.md
index 1f588a7..23be9db 100644
--- a/README.md
+++ b/README.md
@@ -16,12 +16,6 @@ POCO classes can be used in a typed RESTful client OData services. Code generati
 
 -----------
 
-# Announcing new Release: V6.2.1
-## What is New in v6.2.1:
-- Fix terminal close in windows 11 or displaying message 'process exited with code 259'  when run o2pgen in net472.
-
------------- 
-
 ## Development packages
 The developed packages can be downloaded from `myget.org`
 
diff --git a/ReleaseNotes.md b/ReleaseNotes.md
index f995811..855e698 100644
--- a/ReleaseNotes.md
+++ b/ReleaseNotes.md
@@ -1,4 +1,15 @@
 # OData2Poco 
+
+## Version 6.3.0
+**Release Date:**  March 16, 2024
+
+- New Feature: Generate Parameterized Constructor.
+- New Feature: class/record can be internal (default is public).
+- Allow entering Proxy user:password.
+- Move the global tool ``` dotnet o2pgen``` to net8 (Breaking Change).
+
+----------------
+
 ## Version 6.2.1
 **Release Date:**  Nov 7, 2023
 - Fix terminal close in windows 11 or error 'process exited with code 259' when run o2pgen in net472.
diff --git a/appveyor.yml b/appveyor.yml
index 4a0d85c..005d04f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,6 +1,6 @@
 
 #nuget version is only changed by  RELEASE TAG 
-version: 6.3.0-dev-{build} 
+version: 6.4.0-dev-{build} 
 
 image: Visual Studio 2022