The Local | Multiresolution Smooth/Sharp tool has new min and max brightness range apply to sliders. A a new feather range slider has also be added for very fine blending of the min max range filtered data into the image data outside of the min-max range. Min-max and feather range are tracked by the process history undo and redo list. For an example of using the Multiresolution Smooth/Sharp tool see Feathered Background or Highlight Smoothing & Sharpening With Local | Multiresolution Smoothing & Sharpening