Remove polyfill.io dependency from MkDocs configuration - #3
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cdn.polyfill.io was acquired by Funnull in Feb 2024 and weaponised in Jun 2024 to inject malicious JS targeting mobile and specific browser/OS combinations (notably Firefox on Linux). MathJax 3.x requires no polyfill on any browser released in the last 5+ years. The line served no functional purpose and exposed site visitors to a known compromised CDN. Ref: https://sansec.io/research/polyfill-supply-chain-attack
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Summary
Removed the polyfill.io CDN dependency from the MkDocs configuration as it is no longer needed for the project's JavaScript requirements.
Changes
https://polyfill.io/v3/polyfill.min.js?features=es6) from theextra_javascriptsection inmkdocs.ymlDetails
The ES6 polyfill from polyfill.io was removed, likely because:
https://claude.ai/code/session_01NEUVWvxcKynNcqKKFekqKz