Yeah it looks like the lights are near the wall/casting light & reflections onto the wall. Try using spot lights instead of omni to control where the lights appear.
Thought the same, but yeah, that noise preview is nice but i get why it might be seen as an artifact as in any playable engine, we can seamlessly turn cameras there with no noticeable change to the scene objects, like how m3 was when it was using "global illumination" solution, which is what i also expected in the update.…