Simon Willison releases micropython-wasm alpha package

By PulseAugur Editorial · [3 sources] · 2026-06-02 03:43

Simon Willison has released micropython-wasm, an alpha package that bundles a customized WebAssembly build of MicroPython. This package includes a wrapper to execute MicroPython code using wasmtime. The release aims to address limitations encountered during the development of datasette-agent-micropython. AI

IMPACT Provides a new tool for developers experimenting with running Python code in WebAssembly environments.

RANK_REASON This is a release of a software package by an individual developer, not a major company or research institution.

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Newsworthiness bucket: Tool; This is a release of a software package by an individual developer, not a major company or research institution.
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Simon Willison TIER_1 English(EN) · 2026-06-06 04:26

micropython-wasm 0.1a2

Release: <a href="https://github.com/simonw/micropython-wasm/releases/tag/0.1a2">micropython-wasm 0.1a2</a> I added a CLI to <code>micropython-wasm</code> (<a href="https://github.com/simonw/micropython-wasm/issues/7">issue #7</a>), inspired by the firs…
Simon Willison TIER_1 English(EN) · 2026-06-02 19:20

micropython-wasm 0.1a1

Release: <a href="https://github.com/simonw/micropython-wasm/releases/tag/0.1a1">micropython-wasm 0.1a1</a> Fixes for some limitations that emerged while I was trying to use this to build <code>datasette-agent-micropython</code>. Tags: <a href="h…
Simon Willison TIER_1 English(EN) · 2026-06-02 03:43

micropython-wasm 0.1a0

Release: <a href="https://github.com/simonw/micropython-wasm/releases/tag/0.1a0">micropython-wasm 0.1a0</a> My latest sandboxing experiment: This alpha package bundles a lightly customized WASM build of <a href="https://micropython.org/">MicroPython</a>…