It's like (usable) realtime global illumination is the fusion power of rendering, always just 10 years away ;) I remember that UE4 also hyped a realtime GI sol

It's like (usable) realtime global illumination is the fusion power of rendering, always just 10 years away ;) I remember that UE4 also hyped a realtime GI solution which then was hardly used in realworld games because it had a too big performance hit.