The generated PDF has 9375863 bytes, when generated using: pdfTeX 3.14159265-2.6-1.40.21 (TeX Live 2020) kpathsea version 6.3.2
Commits to master should not change the byte count of the generated PDF: yarn pdf ls -l latex_pdf/sicpjs.pdf and verify that the file has 9375863 bytes.
Update (23/1/2022): After upgrading to LaTeX 1.40.23 on MacOS Monterey, the byte count changed as follows:...