Bloom artifact showing in splitscreen settings

There is a bloom artifact at the top of the bottom player's screen.

1. Open UE4 Editor (any project)
2. Create a new material with base color (r 4.04, g .43 , b 1.81 )
3. Add emissive color (r 1.81 , g 81.12 , b 0.0 )
4. With material selected, drag BSP into level
5. In level blueprint, add "Event Begin Play" node and "Create Player" node.
6. Click PIE button

Post Processing doesn't work in splitscreen

Emissive materials break when using splitscreen