When an ambient cubemap is assigned to a postprocess volume and enabled it will render on the surface of reflective opaque surfaces. The same settings will not render on a translucent surface.

Steps to Reproduce
  1. Open attached project

The translucent sphere has no ambient Cubemap being rendered on its surface.

The translucent sphere has ambient cubemap rendered on surface.

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By Design
ComponentUE - Graphics Features
Affects Versions4.
Target Fix4.15
CreatedOct 3, 2016
ResolvedOct 12, 2016
UpdatedMay 2, 2018