Azure Sphere version 21.02 is now available
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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:
* [Quickstart: Install the Azure Sphere SDK for Windows](https://docs.microsoft.com/azure-sphere/install/install-sdk)
* [Quickstart: Install the Azure Sphere SDK for Linux](https://docs.microsoft.com/azure-sphere/install/install-sdk-linux)
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## 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](https://docs.microsoft.com/en-us/azure-sphere/product-overview/whats-new) 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](https://docs.microsoft.com/azure-sphere/deployment/deployment-microsoft-feeds) and [Set up devices for OS evaluation](https://docs.microsoft.com/azure-sphere/deployment/set-up-evaluation-device-group).
For self-help technical inquiries, please visit [Microsoft Q&A](https://docs.microsoft.com/answers/search.html?c=&includeChildren=&f=&type=question+OR+idea+OR+kbentry+OR+answer+OR+topic+OR+user&redirect=search%2Fsearch&sort=relevance&q=azure%20sphere%20OS) or [Stack Overflow](https://stackoverflow.com/search?q=azuresphere&s=23550afd-6ece-47d5-a84f-2d0dc6fc9cf5&s=3b14b5b6-0179-4a03-ac51-bc826cc46fb1). If you require technical support and have a support plan, please submit a support ticket in [Microsoft Azure Support](https://ms.portal.azure.com/?quickstart=true&CAF=true#blade/Microsoft%5FAzure%5FSupport/HelpAndSupportBlade/overview) or work with your Microsoft Technical Account Manager. If you would like to purchase a support plan, please explore the [Azure support plans](https://aka.ms/azuresupport/).
* Azure Sphere
* Operating System
* SDK and Tools
* [ Azure Sphere](https://azure.microsoft.com/en-gb/services/azure-sphere/)
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