Of course, this is a personal opinion. But I note that renders in general, but more evident in HQ renders, have been loosing realism, looking more like "cartoons" than real objects-
Again, this is personal, but is what I´ve been seeing in pghotorealistics HQ renders.
Furnitures are loosing details, textures, etc. looking more like "drawings" instead of real objects (that is what renderizing object should give).
Sorry for my english, my natural language is spanish.