This function only works when the Shadowtype' is set to 'Normal'. New Soft Shadows function in the Shadow Effect that will blur shadows, the farther away from the shadow-casting objects they are.It is not possible to include the result of the Sky Light Effect effect in the Preview screen. The shadows are only added in areas that the sky is visible from. New Sky Light Effect on the World tab which will simulate soft, ambient shadows from the sky.
LUMION 8.0: RELEASE NOTES 06 November 2017