Redistributable Python wheel bundling full CPython in WebAssembly — a problem Simon Willison struggled with for months, completed by Fable 5 in one documented multi-prompt session.
Prompt provenance
multi-prompt-session
Signals
Pythoncreated 2026-06-09by simonw
Fable-5 attribution
Blog documents the full prompt sequence verbatim ('Clone simonw/micropython-wasm…', 'I want a wheel that has the whole system in it…'); 13.9 MB wheel resolves live. (88% confidence)