I use a limited number of sculpting brushes for pretty much everything and then create texture stamps for the final pass.
As such, the 2.8 sculpting icons as they stand are not useful (For me at least). This, combined with some other changes, got me thinking:
Make them Customisable - Obviously
Give them numbers - instant, obvious, customisable hotkeys for your favourites.
Automatic icons for texture brushes - If you don’t have a custom image, this forum creates icons for people based on their name, why can’t we do this based on the texture’s filename? Nothing fancy, just the first 2 or 3 letters and a unique colour. Maybe a number if there is one.
Creating custom icons is great, but I can’t remember the last time I bothered.
(Bonus) Nest variant brushes in the same icon (a la collections - all your fur brushes in one place), a long press toggles/popups between them.
It might look a little something like this:
(Basically I want to mash 3 and have a rake. I think that would be useful.)