This control is only present in Illustrator 2026.3 (v30.3) and above. It allows you to choose the method of the gradient (Standard or Perceptual), just as with the control on the native Gradient panel.
This control is only present in Illustrator 2026.3 (v30.3) and above. It allows you to choose the whether dithering is enabled for the gradient or not, just as with the control on the native Gradient panel. As gradients placed on strokes cannot have dithering, the control is not available if a stroke gradient is being operated on.