Unreal Engine Issues

UE-64270

Merged Instanced Static Meshes (Merge Actors tool) not visible when duplicated

Merged Instanced Static Meshes (Merge Actors tool) not visible when duplicated

UDN
Description

Instanced Static Mesh Actors created with (new in 4.20) ISM Merge tool do not immediately appear when duplicated.

 

Confirmed in 4.21 Main @ CL 4374913

Steps to Reproduce
  1. Drag 2 or more of the same meshes into world
  2. Select both meshes, right-click on actors, "Merge Actors"
  3. Select 3rd merge option (merge into ISM)
  4. Copy-Paste or Alt-Drag a duplicate

Result: Duplicate actor meshes are not visible until reloading level or building lighting

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Cannot Reproduce
ComponentUE - World Creation - Worldbuilding Tools - HLOD
Affects Versions4.20.2, 4.21
Target Fix4.23
CreatedSep 19, 2018
ResolvedJul 10, 2019
UpdatedJul 23, 2019