Sequoia Beta 4 - incorrect alert about "app wants to access data from other apps"

I have an app and a photo editing extension. I use a group container to share data between the two. That has not been a problem in the past. However, in the latest Sequoia Beta, when I try to write a file to that location, the "<appName> would like to access data from other apps" dialog appears.

That's not what I'm doing, and the fact that it comes up every single launch will freak out customers. How do I read and write data to my app's group container without getting this dialog to appear? Is there a different way I am supposed to share data between an extension and an app?

I filed Feedback FB14412342.

Sequoia Beta 4 - incorrect alert about "app wants to access data from other apps"
 
 
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