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.

13th October 2026 Includes performance optimizations https://github.com/simonw/web-edit/pull/1 written by Claude Opus 5.5 https://claude.ai/code/session 01LE2R4P74P9GGUbE6yQ5YBt after I fed it this Python 3.15 profiling report https://simonwillison.net/2026/Oct/12/python-3-15-web-edit-profiling/ 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