Hello,
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Applications that use extendedExecutionUnconstrained
can run full functions even in the background, which conflicts with the default resource allocation scheme of UWP applications, so it is only suitable for personal or LOB applications.
In the documentation, clearly state:
> Line of business and personal UWP applications can use APIs in the Windows Creators Update (version 1703) to turn off throttling. Be aware that you can't put an app into the Microsoft Store if it uses these APIs.
Also in this document, there is a similar description for Extended Execution
:
* > We don't recommend that you declare this capability in applications that you submit to the Microsoft Store. In most cases, the use of this capability won't be approved. *
So when you use related capabilities, the microsoft store will most likely reject your app.
Thanks.