A static actor gets used as world support when it gets spawned before the destructable but not when the destructable is spawned before the static actor.
Hey Davision,
I’m able to see this behavior as well. Once I get a stable internal build I can test this with as well I will repost here with the JIRA ticket.
Tim
Submitted UE-14472.
Once there is any relevant information to pass along I will update this post.