HISM instances of an instance actor not accounted for during construction

Development Programming & Scripting Blueprint
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1

Not sure what it going on here, or if this is even a bug, but if I place an actor in the scene and that actor has a HISM component, when adding instances to the HISM, they are not detected during construction or something.

Repro:

  1. Create an actor, add a HISM component, apply the 1m cube static mesh. Add 2 instances.
  2. In construction, print string: get instance count of the HISM component.
  3. Place the actor in the scene.
  4. Select the HISM component in the details panel and add instances. Even though the list shows more than 2 instances (and you can see them if you translated them), it still only prints 2 during construction.
2

Hello ,

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