Merge pull request #268247 from gahl-levy/vcore-release-notes

add release notes

Author: v-shils

articles/cosmos-db/mongodb/vcore/TOC.yml

@@ -78,6 +78,8 @@
       href: how-to-create-indexes.md
 - name: Reference
   items:
+    - name: Release notes
+      href: release-notes.md
     - name: Troubleshoot common issues
       href: troubleshoot-common-issues.md
 - name: Samples

articles/cosmos-db/mongodb/vcore/release-notes.md

@@ -0,0 +1,30 @@
+---
+title: Change log for Azure Cosmos DB API for MongoDB vcore
+description: Notifies our customers of updates pushed to the product
+author: avijitgupta
+ms.author: avijitgupta
+ms.reviewer: gahllevy
+ms.service: cosmos-db
+ms.subservice: mongodb
+ms.topic: release-notes
+ms.date: 03/07/2024
+---
+
+# Change log for Azure Cosmos DB for MongoDB vcore
+
+The Change log for the API for MongoDB is meant to inform you about our feature updates. This document covers more granular updates and complements [Azure Updates](https://azure.microsoft.com/updates/).
+
+## 3 March 2024: Enhancements to `Explain` plan and Vector filtering abilities
+
+* Azure Cosmos DB for MongoDB vCore allows filtering by metadata columns while performing vector searches. 
+* `Explain` plan now offer different modes
+	* allShardsQueryPlan: Introduces a new explain mode to view the query plan for all shards involved in the query execution, offering a comprehensive perspective for distributed queries.
+	* allShardsExecution: Presents an another explain mode to inspect the execution details across all shards involved in the query, providing users with comprehensive information for better optimization. 
+* Free Tier support added to East US 2
+* Ability for building indexes in background (Private Preview)
+
+## Next steps
+
+* Learn how to [use Studio 3T](../connect-using-mongochef.md) with Azure Cosmos DB for MongoDB.
+* Learn how to [use Robo 3T](../connect-using-robomongo.md) with Azure Cosmos DB for MongoDB.
+* Explore MongoDB [samples](../nodejs-console-app.md) with Azure Cosmos DB for MongoDB.