Simon Willison’s Weblog

2nd June 2026

Release micropython-wasm 0.1a1 — Python library for running a MicroPython sandbox using WebAssembly

Fixes for some limitations that emerged while I was trying to use this to build datasette-agent-micropython.

Posted 2nd June 2026 at 7:20 pm

Recent articles

OpenAI agents attacked RubyGems back in May - 12th September 2026
Some thoughts on the Navier–Stokes Millennium Prize Problem - 8th September 2026
The Pelican comparison grid for Astra is pretty interesting - 4th September 2026

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

python 1,282 sandboxing 55 webassembly 131 micropython 9

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