an initial list:
improve the tools of movement (rotation etc.. give problems for large models).
ability to render "sections".
possibility of adjusting light emitting (self glow).
ability to insert and position the foregrounds (png).
ability to control blur and depth of field (for foregroun and background).
ability to control rotation of 360 ° vertical and horizontal HDRI.
possibility of adjusting intensity of the sky and sun.
possibility to adjust angle and intensity of reflection backgrounds.