The Azure SDK team is pleased to make available the February 2022 client library release.


  • Azure Core and Azure IoT

Installation Instructions

To install any of our packages, copy and paste the following commands into a terminal:

git clone

git checkout <tag_name>


If you have a bug or feature request for one of the libraries, please post an issue to GitHub.

Release highlights

azure-sdk-for-c Changelog

Features Added

  • Added a total bytes written field to the JSON writer.

Breaking Changes

  • Compared to the previous 1.2.0 release, there are no breaking changes.
  • Removed az_storage_blobs.h, which included some beta APIs for Azure Blob Storage such as az_storage_blobs_blob_client().

Bugs Fixed

  • [#2027] Update IoT user agent to append property name before property value in cases where a custom user agent was specified.
  • [#1885] Fix compilation error C4576 with C++ and MSVC 2019. (A community contribution, courtesy of hwmaier)


Thank you to our developer community members who helped to make Azure SDK for C better with their contributions to this release:

Latest Releases

View all the latest versions of C packages here.