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[ARTICLE · art-150307] src=simonwillison.net ↗ pub= topic=ai-tools verified=true sentiment=↑ positive

web-edit 0.1a1

Simon Willison released web-edit 0.1a1 on 13th October 2026, an initial alpha that includes performance optimizations written by Claude Opus 5.5 after Willison fed the model a Python 3.15 profiling report generated by GPT-6 Astra. The release follows Willison's 12th October 2026 post on moving his blog to Python 3.15 and dropping 3.10.

read1 min views3 publishedOct 13, 2026

13th October 2026

Includes performance optimizations written by Claude Opus 5.5 after I fed it this Python 3.15 profiling report generated by GPT-6 Astra.

Recent articles #

- [Hello Python 3.15, goodbye 3.10, and now I can use 3.11](https://simonwillison.net/2026/Oct/12/python-3-15/) - 12th October 2026
- [A new feature for my blog, built using my voice](https://simonwillison.net/2026/Oct/9/built-using-my-voice/) - 9th October 2026
- [Claude Haiku 5.5](https://simonwillison.net/2026/Oct/7/claude-haiku-5-5/) - 7th October 2026
- [We're going to need default hard budget caps on pretty much everything](https://simonwillison.net/2026/Oct/3/default-hard-budget-caps/) - 3rd October 2026
source & further reading
simonwillison.net — original article Tree Appreciator llm-gemini 0.35 Quoting Geoffrey Huntley
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