1. Feature when selected performs quick calculation of character size relative to grid;
2. Determines user-selected A-start to B-stop distance walked/ran;
3. Performs non-slip of feet based on 1+2 (above) / option: with adjustable slider to fine tune

That sounds great. Most useful.  But where is this algorithm?

Here is what we really would like to see! :) This is pretty much the bleeding edge of biped locomotion.

Great video from SIGGRAPH 2016, Rampa.
That is what I have been aching for.  Let iClone work out the "below the waist" details.

The use case I like to give is a person preparing a meal in a kitchen, taking short walks between the sink and fridge and stove, with lots of turns and pivots.  Natural walking/stepping should be achieved with minimal effort (for most situations), and then I could focus on what the hands, arms, face, and mouth are doing.

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iClone 7... Character Creator... Substance Designer/Painter... Blender... Audacity...
Desktop (homebuilt) - Windows 10, Ryzen 9 3900x CPU, GTX 1080 GPU (8GB), 32GB RAM, Asus X570 Pro motherboard, 2TB SSD, terabytes of disk space, dual  monitors.
Laptop - Windows 10, MSI GS63VR STEALTH-252, 16GB RAM, GTX 1060 (6GB), 256GB SSD and 1TB HDD

I remember "below the waist" details causing a heated debate...:P

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76% of original size (was 661x19) - Click to enlarge

Yes. It is a favorite topic of most people. ;)

And Viking, the walking around the kitchen was one I adopted from you. Thanks.