I found the solution, better late than never I guess? Select your main app target, under the General tab scroll down to Frameworks, Libraries and Embedded Content. Next to your extension, modify the "Filters" and uncheck MacOS. It should build now.
lupiter
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
Last seen
User for
Post
Replies
Boosts
Views
Activity
I would also really like to know this! All I can think of is getting all the tasks from the urlSession and iterating through them.