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MicroPython-WASM 0.1a2 Version Released

Simon Willison's Weblog· June 6, 2026 View original

Summary

Version 0.1a2 of micropython-wasm has been released. This indicates an early alpha stage update for a project combining MicroPython with WebAssembly.

The project known as micropython-wasm has seen an update, with the release of version 0.1a2. This version number denotes an early alpha stage, suggesting ongoing development and incremental improvements. Micropython-wasm likely refers to an effort to integrate MicroPython, a lean implementation of Python 3, with WebAssembly (WASM). This combination would enable Python code to run efficiently in web browsers or other WASM-compatible environments. The release of an alpha version indicates that the project is progressing, offering early access to developers interested in running Python in resource-constrained or web-based contexts.

Why it matters

For developers working with embedded systems, web applications, or serverless functions, the ability to run MicroPython via WebAssembly offers new possibilities for lightweight, portable, and secure code execution. This could streamline development and deployment processes.

How to implement this in your domain

  1. 1Explore the micropython-wasm project to understand its current capabilities.
  2. 2Experiment with running MicroPython code in a WASM environment for specific use cases.
  3. 3Provide feedback to the development team on bugs or feature requests.
  4. 4Consider how this technology could simplify deployment of Python logic in web or edge contexts.

Who benefits

Web DevelopmentEmbedded SystemsIoTSoftware DevelopmentEdge Computing

Key takeaways

  • MicroPython-WASM 0.1a2 is an early alpha release.
  • It aims to combine MicroPython with WebAssembly.
  • This enables Python execution in web browsers and other WASM environments.
  • It offers potential for lightweight and portable Python applications.

Original post by Simon Willison's Weblog

"micropython-wasm 0.1a2"

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Originally posted by Simon Willison's Weblog on X · view source

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