Attaching other actors to a child actor (actor spawned by ChildActorComponent) fails to serialize correctly as part of the map. The attached actor loads as detached and resets its position back to world origin.
Repro steps in new project:
The hierarchy in the outliner should now be:
Save and reload the map. Observe:
Expected: After reloading the map, BP_ChildAttachment is still attached to BP_Child and it retained it's saved location.
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-199646 in the post.