Description

Volumetric Translucent Shadow not showing in game mode for versions 4.23-4.25. 

Reported and tested in versions 4.25.3(CL 13942748), 4.24.3(CL 11590370), 4.23.1(CL 9631420), 4.22.3(CL 7053642). Working as expected in version 4.22.3.

Steps to Reproduce
  1. Create a new material, set Blend Mode to Translucent, and set Lighting Mode to Surface Forward Shading.
  2. Drag a Sphere object or any mesh into the scene and check Volumetric Translucent Shadow under lighting section.
  3. Apply previously created translucent material to the mesh.
  4. Set directional light to Movable.
  5. Now the mesh should cast translucent shadow in Editor.
  6. Click Play button or PIE or other play mode.
  7. The mesh doesn't cast shadow anymore.

Result: The translucent shadow from mesh disappears in game mode.

Expected: The translucent shadow should be the same as it in the editor mode.

Have Comments or More Details?

There's no existing public thread on this issue, so head over toAnswerHub just mention UE-99249 in the post.

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Fixed
ComponentRendering - Features Teams
Affects Versions4.24.34.25.3
Target Fix4.27
Fix Commit14507683
CreatedSep 8, 2020
ResolvedOct 16, 2020
UpdatedOct 20, 2020