Unreal Engine 4.20 Preview

Is there a special way to activate these?

  • Occlusion Queries on Mobile

  • Software Occlusion Culling

As a mesh I placed behind another mesh was not being culled and counted as a draw call on my Android device. Or did I misinterpret what is meant to happen with these features?

4.20 P1
Android S8 8.0.0