Unreal Engine Issues and Bug Tracker (UE-57003)

Description

When forward shading is enabled, the light complexity view mode just displays black surfaces.

Steps to Reproduce

In any project. Go to Edit> Project Settings> Rendering
Select the checkbox for Forward Shading and restart the project
In the Viewport click on Lit, then hover over Optimization Viewmodes, then select Light Complexity

Result: All surfaces are black
Expected: Visualization of light complexity of surfaces

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Won't Fix

Component	UE - Graphics Features
Affects Versions	4.18.3, 4.19, 4.20

[Feature Request] Light Complexity view mode broken in Forward Rendering