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Azure Sphere OS version 21.03 is now generally available

Published date: March 31, 2021

The 21.03 Azure Sphere OS quality update is now available in the Retail feed. This 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.

21.03 includes updates to mitigate against the following Common Vulnerabilities and Exposures (CVEs).

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.

  • Azure Sphere
  • Operating System

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