The S21 and S22 had a large raised block growing out of the corner, but this S23 render shows only three naked camera lenses popping out of the back.
This design change would bring the base model (and presumably "Plus" model) phones in line with the S22 Ultra, which has a similar lens-only camera protrusion.
The S22 Ultra's individual camera lenses looked great in person, but like any corner camera setup, the bump makes the phone unstable if it's lying on a flat surface.
By the way, Onleaks also posted S23 Ultra renders, but that device looks nearly identical to the S22 Ultra, complete with a returning S-Pen.