updates release notes

Author: varun-dhawan

articles/postgresql/flexible-server/concepts-pgbouncer.md

@@ -22,7 +22,7 @@ PgBouncer uses a lightweight model that utilizes asynchronous I/O. It uses Postg
 
 PgBouncer runs on port 6432 on your database server. You can change your application's database connection configuration to use the same host name, but change the port to 6432 to start using PgBouncer and benefit from improved scaling of idle connections.
 
-PgBouncer in Azure Database for PostgreSQL flexible server supports [Microsoft Entra authentication](./concepts-azure-ad-authentication.md).
+PgBouncer in Azure Database for PostgreSQL flexible server supports [Microsoft Entra authentication](./concepts-azure-ad-authentication.md) (Azure AD).
 
 ## Enabling and configuring PgBouncer
 

articles/postgresql/flexible-server/release-notes.md

@@ -7,7 +7,7 @@ ms.reviewer: maghan
 ms.service: postgresql
 ms.subservice: flexible-server
 ms.topic: overview
-ms.date: 5/29/2024
+ms.date: 6/5/2024
 #customer intent: As a reader, I want the title and description to meet the required length and include the relevant information about the release notes for Azure DB for PostgreSQL - Flexible Server.
 ---
 
@@ -17,6 +17,9 @@ ms.date: 5/29/2024
 
 This page provides latest news and updates regarding feature additions, engine versions support, extensions, and any other announcements relevant to Azure Database for PostgreSQL flexible server.
 
+## Release: June 2024
+* General availability of [IOPS scaling](./concepts-storage.md#iops-scaling) on Azure Database for PostgreSQL flexible server.
+
 ## Release: May 2024
 * General availability of Postgres [azure_ai](generative-ai-azure-overview.md) extension.
 * Public preview of [azure_local_ai](./azure-local-ai.md) extension.