S3D wonderfully allows setting various "per material" properties. This changes certain things (such as temperatures) and not others. For the most part, most of these make sense. There's some debate on if others should be changed "per material" and those are usually NOT changed with the auto-config material (by default.)
However, there's one or two settings that I don't think anyone would disagree is a "per material" setting: On the "Other" tab, "Filament Properties": Filament Price and Filament Density.
If I spend the effort to find the density and price for the materials I use, those settings should be unique to the specific materials. Copper infused filament doesn't have the same density as ABS, and PETG is a bit more expensive (usually) than PLA. Yet, if I set the price/density for any material, it changes for all of them.
I know I can change this by exporting the .fff file and editing the xml (or just ignoring S3D's material setting and just creating a new profile for every material.) However, this is an obvious "per material" setting if the program is used as advertised. For that reason, I'm posting this in the "bugs" section and not the "feature request" section.