--- /dev/null
+..
+.. Copyright (c) 2019 AT&T Intellectual Property.
+.. Copyright (c) 2019 Nokia.
+..
+.. Licensed under the Creative Commons Attribution 4.0 International
+.. Public License (the "License"); you may not use this file except
+.. in compliance with the License. You may obtain a copy of the License at
+..
+.. https://creativecommons.org/licenses/by/4.0/
+..
+.. Unless required by applicable law or agreed to in writing, documentation
+.. distributed under the License is distributed on an "AS IS" BASIS,
+.. WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+..
+.. See the License for the specific language governing permissions and
+.. limitations under the License.
+..
+
+Release-Notes
+=============
+
+This document provides the release notes for O-RAN SC Amber release of
+ric-plt/streaming-protobufs.
+
+.. contents::
+ :depth: 3
+ :local:
+
+
+
+Version history
+---------------
+
+[0.2.2] - 2019-11-14
+
+* Add mandatory documentation files.
+* Fix Protobuf version number in x2ap_streaming.proto file.
+
+[0.2.1] - 2019-10-16
+
+* Fix protobuf definition of PLMN-Identity-EUTRA-5GC.
+
+[0.2.0] - 2019-10-11
+
+* Initial version.
+* Implement Protobuf schema for following X2AP messages:
+
+ * SGNB ADDITION REQUEST
+ * SGNB ADDITION REQUEST ACKNOWLEDGE
+ * SGNB ADDITION REQUEST REJECT
+ * SGNB RECONFIGURATION COMPLETE
+ * RRC TRANSFER
+ * UE CONTEXT RELEASE
+ * SGNB RELEASE REQUEST
+ * SGNB RELEASE REQUEST ACKNOWLEDGE
+ * SGNB RELEASE REQUIRED
+ * SGNB RELEASE CONFIRM
+ * SGNB MODIFICATION REQUEST
+ * SGNB MODIFICATION REQUEST REJECT
+ * SGNB MODIFICATION REQUEST ACKNOWLEDGE
+ * SGNB MODIFICATION REQUIRED
+ * SGNB MODIFICATION CONFIRM
+ * SGNB MODIFICATION REFUSE
+ * SN STATUS TRANSFER
+ * SECONDARY RAT DATA USAGE REPORT