General availability: Azure Sphere OS version 21.08

This post has been republished via RSS; it originally appeared at: New blog articles in Microsoft Tech Community.

Azure Sphere OS version 21.08 is now available in the Retail feedThis release includes bug fixes in the Azure Sphere OS; it does not include an updated SDK. If your devices are connected to the internet, they will receive the updated OS from the cloud.


21.08 includes updates and enhancements in the following areas.

  • Security updates
  • Improved stability for ethernet support
  • Improved stability for I2C devices
  • New Azure Sphere Gallery samples
  • Documentation updates


In addition, 21.08 includes updates to mitigate against the following Common Vulnerabilities and Exposures (CVEs):

  • CVE-2021-22924

See What’s new in Azure Sphere for more details on the 21.08 release.


For more information on Azure Sphere OS feeds and setting up an evaluation device group, see Azure Sphere OS feeds and Set up devices for OS evaluation.


For self-help technical inquiries, please visit Microsoft Q&A or Stack Overflow. If you require technical support and have a support plan, please submit a support ticket in Microsoft Azure Support or work with your Microsoft Technical Account Manager. If you would like to purchase a support plan, please explore the Azure support plans.

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