diff --git a/release-notes/2024-09-25-release-notes-rocketmq-csharp-client-5.2.0.md b/release-notes/2024-09-25-release-notes-rocketmq-csharp-client-5.2.0.md
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+---
+title: "Release Notes - Apache RocketMQ Client C#- Version 5.2.0"
+categories:
+  - Release_Notes
+tags:
+  - RocketMQ_Client_Csharp
+---
+:::tip Download
+* Source: [rocketmq-client-csharp-5.2.0-rc1-source-release.zip](https://dist.apache.org/repos/dist/dev/rocketmq/rocketmq-clients/rocketmq-client-csharp/5.2.0-rc1/rocketmq-client-csharp-5.2.0-rc1-source-release.zip) [[PGP](https://dist.apache.org/repos/dist/dev/rocketmq/rocketmq-clients/rocketmq-client-csharp/5.2.0-rc1/rocketmq-client-csharp-5.2.0-rc1-source-release.zip.asc)] [[SHA512](https://dist.apache.org/repos/dist/dev/rocketmq/rocketmq-clients/rocketmq-client-csharp/5.2.0-rc1/rocketmq-client-csharp-5.2.0-rc1-source-release.zip.sha512)]
+:::
+<!--truncate-->
+
+Below is a summary of the issues addressed in the version 5.2.0 release of Apache RocketMQ Client C#. For full documentation of the release, a guide to get started, please refer to [Quick Start](https://github.com/apache/rocketmq-clients/tree/master/csharp).
+
+## What's Changed
+* Fix the outdated badge by @aaron-ai in https://github.com/apache/rocketmq-clients/pull/520
+* csharp: Add using to wrap HMACSHA1 instance by @catcherwong in https://github.com/apache/rocketmq-clients/pull/582
+* replace nlog with Microsoft.Extensions.Logging by @eventhorizon-cli in https://github.com/apache/rocketmq-clients/pull/596
+* Resolve the issue of obtaining the physical address of the network card by @sduo in https://github.com/apache/rocketmq-clients/pull/704
+* csharp: Optimize the performance of the Hash algorithm and reduce allocations. by @InCerryGit in https://github.com/apache/rocketmq-clients/pull/690
+* Optimize performance by leveraging new allocation reduction methods in .NET 5 by @colprog in https://github.com/apache/rocketmq-clients/pull/747
+* [csharp] update TFM to net6 and net8 by @catcherwong in https://github.com/apache/rocketmq-clients/pull/799
+* [ISSUE #776] Add push consumer for normal/fifo message, namespace support, reentrant message receiving support in C# SDK by @tsunghanjacktsai in https://github.com/apache/rocketmq-clients/pull/777
+* Release C# client 5.2.0 by @tsunghanjacktsai in https://github.com/apache/rocketmq-clients/pull/839
+
+## New Contributors
+* @catcherwong made their first contribution in https://github.com/apache/rocketmq-clients/pull/582
+* @eventhorizon-cli made their first contribution in https://github.com/apache/rocketmq-clients/pull/596
+* @sduo made their first contribution in https://github.com/apache/rocketmq-clients/pull/704
+* @InCerryGit made their first contribution in https://github.com/apache/rocketmq-clients/pull/690
+
+**Full Changelog**: https://github.com/apache/rocketmq-clients/compare/csharp-5.1.1-rc1...csharp-5.2.0-rc1
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