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The Azure Sphere OS version 20.12 is now available for evaluation in the Retail Eval feed. The retail evaluation period provides 14 days for backwards compatibility testing. During this time, please verify that your applications and devices operate properly with this release before it is deployed broadly via the Retail feed. The Retail feed will continue to deliver OS version 20.10 until we publish 20.12 in two weeks. For more information on retail evaluation see our blog post, The most important testing you’ll do: Azure Sphere Retail Evaluation.
Azure Sphere OS version 20.12
The 20.12 release includes the following bug fixes and enhancements in the Azure Sphere OS. It does not include an updated SDK.
- Reduced the maximum transmission unit (MTU) from 1500 bytes to 1420 bytes.
- Improved device update in congested networks.
- Fixed an issue wherein the Wi-Fi module stops scanning but does not respond with a completion event if a background scan is running and the active Wi-Fi network is deleted.
- Fixed a bug wherein I2CMaster_Write() returns EBUSY when re-sideloading the app interrupts operation.
Azure Sphere SDK version 20.11
On Nov 30, we released version 20.11 of the Azure Sphere SDK. The 20.11 SDK introduces the first Beta release of the azsphere command line interface (CLI) v2. The CLI v2 Beta is installed alongside the existing CLI on both Windows and Linux, and it works with both the 20.10 and 20.12 versions of the OS. For the purpose of retail evaluation, continue to use the CLI v1. For more information on the v2 CLI and a complete list of additional features, see Azure Sphere CLI v2 Beta.
For more information on Azure Sphere OS feeds and setting up an evaluation device group, see Azure Sphere OS feeds.
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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