To report the issue with PowerApps stripping EXIF metadata when "Optimize Images for Upload" is enabled, you can open a support ticket directly with Microsoft through the Power Platform Admin Center. Here's how:
Go to the Power Platform Admin Center:
https://admin.powerplatform.microsoft.com
Sign in with your Microsoft 365 admin credentials.
In the left-hand menu, click “Help + support.”
Click “New support request.”
Fill in the form:
Submit the request and await a response from Microsoft support.
If you believe this behavior is unintended or should be configurable, you can also submit it as a feature request:
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