Building locally I get the message below on 64 & 32 bit package builds: ERROR: python_nghttp2-1.47.0-cp38-cp38-cygwin_3_3_4_x86_64.whl is not a supported wheel on this platform. but not in the confines of a scallywag build: what do I need to remove or change to build locally? Most relevant lines from cygport ... all are attached (sanitized). -- Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada This email may be disturbing to some readers as it contains too much technical detail. Reader discretion is advised. [Data in binary units and prefixes, physical quantities in SI.]