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pwasm 0.2a0.

Simon Willison's WeblogAnalysis or commentary·
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Simon Willison released pwasm 0.2a0, a pure Python WebAssembly engine he originally built in January, after having Claude Opus 5.5 work on it.

Written by AI from Simon Willison's Weblog's published text.

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“Release: pwasm 0.2a0 pwasm is one of my folly projects - an entirely vibe-coded pure Python WebAssembly engine that I built in January during my first bout of AI mania .”
Simon Willison's Weblog, 01 Oct 2026, 17:10.

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