Having created a new venv I am attempting to install spacy strictly in accordance with the documentation Specifically: pip install -U pip setuptools wheel pip install -U 'spacy[apple]' This fails (huge error output) that seems to stem from: In file included from ../numpy/_core/src/umath/string_ufuncs.cpp:20: ../numpy/_core/src/umath/string_fastsearch.h:132:5: error: no type named 'ptrdiff_t' in namespace 'std'; did you mean simply 'ptrdiff_t'? My guess is that the 2.2.6 version of numpy is incompatible but I can't find anything in spacy documentation to help me. My Xcode environment is fully up-to-date. I have seen other posts on Stackoverflow abut installation issues with spacy but they're rather old and some of the "solutions" are clearly ridiculous. Continue reading...