Unreal Engine Issues and Bug Tracker (UE-81565)

Steps to Reproduce

Open a Blank level
Add a Basic Cube
Switch to Foliage Mode, Single Instance with at least 1 foliage type added
Paint a foliage instance on the surface of the cube
Switch back to Place Mode
Drag the cube, notice after the move, the foliage moves to the same position
Right click the static mesh to duplicate (or alt-drag)
Move the duplicated cube around and notice foliage doesn't move
Move the original cube and see the original foliage move and a duplicate left in its spot
Delete both cubes and notice the original foliage is deleted but not the duplicate

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-81565 in the post.

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Won't Fix

Component	UE - World Creation - Worldbuilding Tools - Foliage
Affects Versions	4.23

Duplicating a static mesh with foliage attached breaks connection