After sitting on the pyproject.toml sidelines for several years waiting for build tools to mature, I finally committed to porting after being nudged by deprecation warnings in pip. I wrote up a detailed description of my experience at Gregory Szorc's Digital Home | My User Experience Porting Off setup.py Overall, I found the experience to be very lacking / disappointing / frustrating. Fortunately, I think a lot of the problems are fixable. However, I lack the perspective to suggest concrete i...