VXGI ArchiViz could potentially solve many of the issues you raise, if it can scale up accordingly in the next several years.
Besides that, Octane GPU rendering and similar in UE4 could also take baked lightmapping to the next level.
VXGI ArchiViz could potentially solve many of the issues you raise, if it can scale up accordingly in the next several years.
Besides that, Octane GPU rendering and similar in UE4 could also take baked lightmapping to the next level.