2.3.0 release notes

Author: mkolt

articles/cosmos-db/sql-api-sdk-dotnet-changefeed.md

@@ -41,6 +41,11 @@ ms.author: maquaran
 
 ### v2 builds
 
+### <a name="2.3.0"/>2.3.0
+* Added a new method ChangeFeedProcessorBuilder.WithCheckpointPartitionProcessorFactory and corresponding public interface ICheckpointPartitionProcessorFactory. This allows an implementation of the IPartitionProcessor interface to use built-in checkpointing mechanism. The new factory is similar to the existing IPartitionProcessorFactory except that its Create method also takes the the ILeaseCheckpointer parameter.
+* Only one the methods, either ChangeFeedProcessorBuilder.WithPartitionProcessorFactory or ChangeFeedProcessorBuilder.WithCheckpointPartitionProcessorFactory, can be used for the same ChangeFeedProcessorBuilder instance.
+
+
 ### <a name="2.2.8"/>2.2.8
 * Stability and diagnosability improvements:
   * Added support to detect reading change feed taking long time. When it takes longer than the value specified by the `ChangeFeedProcessorOptions.ChangeFeedTimeout` property, the following steps are taken:
@@ -177,6 +182,7 @@ Any request to Cosmos DB using a retired SDK will be rejected by the service.
 
 | Version | Release Date | Retirement Date |
 | --- | --- | --- |
+| [2.3.0](#2.3.0) |April 1, 2020 |--- |
 | [2.2.8](#2.2.8) |October 28, 2019 |--- |
 | [2.2.7](#2.2.7) |May 14, 2019 |--- |
 | [2.2.6](#2.2.6) |January 29, 2019 |--- |