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Simon Willison’s Weblog

2nd June 2026

Release micropython-wasm 0.1a0 — Python library for running a MicroPython sandbox using WebAssembly

My latest sandboxing experiment: This alpha package bundles a lightly customized WASM build of MicroPython with a wrapper to execute code in it via wasmtime.

Posted 2nd June 2026 at 3:43 am

Recent articles

Claude Opus 4.8: "a modest but tangible improvement" - 28th May 2026
I think Anthropic and OpenAI have found product-market fit - 27th May 2026
Notes on Pope Leo XIV's encyclical on AI - 25th May 2026

This is a beat by Simon Willison, posted on 2nd June 2026.

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