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

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.

python 1,255 sandboxing 43 webassembly 95

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe