It's a good point that most people won't be using Mathematica for solving LP and MIP models as it just uses CBC as the backend anyway. I mean you could of cours

It's a good point that most people won't be using Mathematica for solving LP and MIP models as it just uses CBC as the backend anyway. I mean you could of course, but I think most folks would just use an API to call CBC more directly outside of Mathematica. I bet they could add this feature easily enough though.