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    ApsaraMQ for RocketMQ:Release notes for the TCP client SDK for .NET

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    ApsaraMQ for RocketMQ:Release notes for the TCP client SDK for .NET

    Last Updated:Mar 11, 2026

    The following release notes cover the ApsaraMQ for RocketMQ TCP client SDK for .NET. Each entry includes the version number, release date, changes, and download links.

    Important

    • We recommend that you use the latest RocketMQ 5.x SDKs. These SDKs are fully compatible with ApsaraMQ for RocketMQ 5.x brokers and provides more functions and enhanced features. For more information, see C++ SDK version information.

    • Alibaba Cloud only maintains RocketMQ 4.x, 3.x, and TCP client SDKs. We recommend that you use them only for existing business.

    2.0.1 (2021-03-31)

    Bug fixes

    • Fixed a compatibility issue with the ApsaraMQ for RocketMQ API and resolved bugs in the Message#setBody(byte[] body, int size) method.

    Other changes

    • Updated the Quick Start document with tips on using the x64 library.

    Downloads

    PlatformLink
    Windowsaliyun-mq-windows-net-sdk-2.0.1.zip
    Linuxaliyun-mq-linux-net-sdk.tar.gz
    Linuxaliyun-mq-linux-net-sdk.tar.gz
    Darwinaliyun-mq-darwin-net-sdk.tar.gz

    2.0.0 (2021-03-24)

    Improvements

    • Rebuilt on GraalVM to align features with SDK for Java, SDK for C, and SDK for C++.

    Bug fixes

    • Fixed a stability issue with shared libraries.

    Downloads

    PlatformLink
    Windowsaliyun-mq-windows-net-sdk-2.0.0.zip
    Darwinaliyun-mq-darwin-net-sdk.tar.gz

    1.1.4 (2019-11-06)

    Improvements

    • Added support for querying consumption traces of ordered messages.

    • Optimized the message pull process to prevent message accumulation caused by pull exceptions.

    • Optimized delivery retry intervals for ordered messages.

    Bug fixes

    • Fixed inaccurate delivery retry counts for ordered messages.

    • Fixed an issue where a producer generated duplicate message IDs under certain conditions.

    Downloads

    PlatformLink
    Windowsaliyun-mq-windows-net-sdk.zip

    1.1.3 (2019-02-01)

    Improvements

    • Added two access methods for users with instantiated resources: Access methods for users without instantiated resources remain unchanged.

      • Configure NAMESRV_ADDR that contains InstanceId.

      • Configure InstanceId and NAMESRV_ADDR separately, where NAMESRV_ADDR does not contain InstanceId.

    • Replaced producer IDs and consumer IDs with group IDs.

    Downloads

    PlatformLink
    Windowsaliyun-mq-windows-net-sdk.zip

    Earlier versions

    1.1.1 (2018-01-09)

    New features

    • Added an API operation for sending byte messages.

    Bug fixes

    • Fixed incorrect IP addresses in message traces.

    Downloads

    PlatformLink
    Windows (old)None (not maintained anymore)
    Windows (new)aliyun-mq-windows-net-sdk.zip

    1.1.0 (2017-07-31)

    Bug fixes

    • Fixed core dumps caused by consumer shutdown.

    • Fixed HTTP access failures in the underlying URL class on Windows.

    • Fixed timestamp errors in message traces.

    • Fixed incorrect local IP addresses in message traces.

    • Fixed memory leaks on Windows.

    Downloads

    PlatformLink
    Windows (old)None (not maintained anymore)
    Windows (new)aliyun-mq-windows-net-sdk.zip