Luke Marshall

> Thanks, I guess that returning these as numpy arrays (instead of lists) means that we avoid users having to avoid [this issue](https://ergo-code.github.io/HiGHS/stable/interfaces/python/#Extracting-values-efficiently)? Great question! I didn't think it would...

> @ParthPore10 Please edit the PR as suggested by @mathgeekcoder @ParthPore10: Since this is a larger change, and modifying the C++ code - please let me know if you'd prefer...

@ParthPore10: there's something odd about your PR. The code-diff looks like it's comparing to an older branch, e.g., it doesn't recognize the changes for `col_cost_` have already been made. Also,...

FYI: I've started looking into this using a debug build of highspy. I can also reproduce in release, but it's hard to diagnose the issue. After ~30 mins (debug takes...