I am experiencing the same issue, the widget will work fine on iOS 16, but will not appear in the list on iOS 17. The behaviour is the same for Xcode 14 and Xcode 15 beta.
BriqueDeLait
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
From
Stockholm, Sweden
Post
Replies
Boosts
Views
Activity
Same here. It will randomly (not often though) succeed.