cloud: add release note for 20240806

tidb-cloud/tidb-cloud-release-notes.md

@@ -8,6 +8,24 @@ aliases: ['/tidbcloud/supported-tidb-versions','/tidbcloud/release-notes']
 
 This page lists the release notes of [TiDB Cloud](https://www.pingcap.com/tidb-cloud/) in 2024.
 
+## August 6, 2024
+
+**General changes**
+
+- [TiDB Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-dedicated) billing changes for load balancing on AWS.
+
+    Starting from August 1, 2024, TiDB Dedicated bills include new AWS charges for public IPv4 addresses, aligned with [AWS pricing changes effective from February 1, 2024](https://aws.amazon.com/blogs/aws/new-aws-public-ipv4-address-charge-public-ip-insights/). The charge for each public IPv4 address is $0.005 per hour, which will result in approximately $10 per month for each TiDB Dedicated cluster hosted on AWS.
+
+    This charge will appear under the existing **TiDB Dedicated - Data Transfer - Load Balancing** service in your [billing details](/tidb-cloud/tidb-cloud-billing.md#billing-details).
+
+- Upgrade the default TiDB version of new [TiDB Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-dedicated) clusters from [v7.5.2](https://docs.pingcap.com/tidb/v7.5/release-7.5.2) to [v7.5.3](https://docs.pingcap.com/tidb/v7.5/release-7.5.3).
+
+**Console changes**
+
+- Enhance the cluster size configuration experience for [TiDB Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-dedicated).
+
+    Refine the layout of the **Cluster Size** section on the [**Create Cluster**](/tidb-cloud/create-tidb-cluster.md) and [**Modify Cluster**](/tidb-cloud/scale-tidb-cluster.md) pages for TiDB Dedicated clusters. In addition, the **Cluster Size** section now includes links to node size recommendation documents, which helps you select an appropriate cluster size.
+
 ## July 23, 2024
 
 **General changes**