Epic's GPUlightmass

Edit: issue is solved in Github build 24-08-21.

Another test:
Created a brand new first person template map in 5.4.3 and 5.5.0 (github build from 24-07-23)
Changed lights to static, copied the floor to create a floating ceiling, enabled GPUlightmass + raytracing. Changed post process volume to none for GI and screen space for reflections.
Added a static point light next to the cubes in the back.

In 5.4.3 you clearly see bounce light effect + color bleeding.
In 5.5.0 both are missing.

Hoping this gets picked up by the team. @Luoshuang or anyone else can have a look at this?

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