Unreal Engine 5.4 Preview

General Announcements
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Try these:

  1. Make sure you enable it in the project settings; Rendering > Heterogeneous Volumes > Shadow Casting.

  2. Turn off ray traced shadows on the light source.

  3. Use this CVAR to improve shadow quality - ‘r.HeterogeneousVolumes.Shadows.ShadowRate 0’

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