--- /dev/null
+.. This work is licensed under a Creative Commons Attribution 4.0 International License.
+.. SPDX-License-Identifier: CC-BY-4.0
+.. Copyright (C) 2019 Wind River Systems, Inc.
+
+
+Release-notes
+=============
+
+
+This document provides the release notes for 5.0.0 of RTP O2 service.
+
+.. contents::
+ :depth: 3
+ :local:
+
+
+Version history
+---------------
+
++--------------------+--------------------+--------------------+--------------------+
+| **Date** | **Ver.** | **Author** | **Comment** |
+| | | | |
++--------------------+--------------------+--------------------+--------------------+
+| 2021-12-15 | 1.0.0 | Bin Yang | E Release |
+| | | | |
++--------------------+--------------------+--------------------+--------------------+
+
+Version 1.0.0, 2021-12-15
+-------------------------
+- Initial version (E release)
+- Add O2 IMS for INF platform
+ - Enable O-Cloud registration to SMO
+ - Enable O2 infrastructure inventory service API
+ - Enable O2 Subscription service API
+ - Enable O2 Notification service
+- ADD O2 DMS for INF platform
+ - A PoC which enables NfDeployment described with helm charts
+ - Add Lifecycle Management API for NfDeploymentDescriptor
+ - Add Lifecycle Management API for NfDeployment