Simon Willison's WeblogJun 2, 2026, 7:20 PM

micropython-wasm 0.1a1

micropython-wasm 0.1a1 fixes limitations found while building datasette-agent-micropython.

Simon Willison released micropython-wasm 0.1a1, a small update connected to Python, sandboxing, and WebAssembly. The release fixes limitations that appeared while he was trying to use it to build datasette-agent-micropython. The post does not list detailed changes, so this should be read as an early usability and compatibility improvement rather than a major feature launch.

Simon Willison briefly announced the release of micropython-wasm 0.1a1 on his personal blog. The original article notes that this release primarily fixes some limitations he encountered while trying to use the project to build datasette-agent-micropython. Based on the information provided in the article, this is not a major feature announcement, nor does it list detailed API, performance, or compatibility changes in detail; rather, it is more like a patch addressing usability issues that arose during the practical integration of an early version into a real project.

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