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Azure Sphere version 21.02 is now available

Published date: March 04, 2021

The Azure Sphere 21.02 release includes the following components:

  • Updated Azure Sphere OS
  • Updated Azure Sphere SDK for Windows and for Linux

If your devices are connected to the internet, they will receive the updated OS from the cloud. We encourage you to install the latest SDK, but the existing 21.01 SDK will continue to work with the updated OS. To install the latest SDK, see the installation Quickstart for Windows or Linux:


New and changed features in the 21.02 release

The 21.02 release includes the promotion of the CLI v2 from Beta to release, and a new tutorial about memory management. The 21.02 OS update includes bug fixes and performance enhancements. Learn more about what’s included in the 21.02 release by visiting What’s new in Azure Sphere in the customer documentation.


Fixed bugs and common vulnerabilities in the 21.02 OS release

The 21.02 OS release includes various bug fixes, a Linux kernel update, and mitigations against the following CVEs:

  • CVE-2021-3336
  • CVE-2020-8285
  • CVE-2020-8286
  • CVE-2020-8284
  • CVE-2020-8231

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
  • SDK and Tools

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