Azure Sphere OS version 24.03 is now available for evaluation
Azure Sphere OS version 24.03 is now available for evaluation in the Retail Eval feed. The retail evaluation period for this release provides 28 days (about 4 weeks) of testing. During this time, please verify that your applications and devices operate properly with this release before it is deployed broadly to devices in the Retail feed.
The 24.03 OS Retail Eval release includes bug fixes and security updates including additional security updates to the cancelled 23.10 release, and a bugfix to a sporadic issue with OS update that caused the cancellation of that release.
For this release, the Azure Sphere OS contains an updated version of cURL. Azure Sphere OS provides long-term ABI compatibility, however the mechanisms of how cURL-multi operates, particularly with regard to recursive calls, have changed since the initial release of the Azure Sphere OS. Microsoft has performed additional engineering to provide backward compatibility for previously compiled applications to accommodate these changes. However, this is a special area of focus for compatibility release during this evaluation.
If your application leverages cURL-multi (as indicated by the usage of the `curl_multi_add_handle ()` API) we would encourage you to perform additional testing against the 24.03 OS. These changes do not impact applications that use the cURL-easy interface (as indicated by the usage of `curl_easy_perform()` API.).
Areas of special focus for compatibility testing with 24.03 include apps and functionality utilizing:
cURL and cURL-multi
wolfSSL, TLS-client, and TLS-server
Azure IoT, DPS, IoT Hub, IoT Central, Digital Twins, C SDK
Mutual Authentication
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 inquiries or technical support, review the Azure Sphere support options.
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