Description

Hierarchical Instanced Static Mesh component culls before it is completely off screen. This only seems to happen with more than 3-4 instance elements. This also does not happen with Instanced Static Mesh Components.

Steps to Reproduce
  1. Create a BP & open it
  2. Add a Hierarchical Instanced Static Mesh component
  3. In the Details panel, Add the Cube from the Engine content
  4. Add 5 instance elements and space them apart
  5. Compile and save
  6. Add the BP to the level
  7. PIE
  8. Look left then right so all instances slowly move off screen

Results: The last 1 or 2 instance elements that were added will still be on screen and disappear as the blueprint is culled (attached the users repro video as well)

Expected: For all instance elements to be off screen before culling takes place

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Cannot Reproduce
ComponentRendering
Affects Versions4.17.24.18.14.19
Target Fix4.21
Fix Commit4343121
CreatedDec 4, 2017
ResolvedSep 5, 2018
UpdatedSep 25, 2018