Among the Stock Model bug, another one I run into nearly daily (was reminded of it when it just happened again) is with Avoidance Geometry, in both 2023 and 2024 versions. Nearly every time I select the desired geometry when creating the toolpath, it reads far more entities than truly selected and will give an STL error when trying to generate the toolpath. The fix is to simply save, re-open the file, and generate the toolpath. Geometry isn't needed to be re-selected or anything.  I have to