Simon Willison’s Weblog

21st April 2020

None

TIL Running pip install -e .[test] in zsh on macOS Catalina — macOS Catalina uses `zsh` rather than `bash` as the default shell (apparently because Apple don't like GPL 3).

Posted 21st April 2020 at 7:55 pm

Recent articles

One-shotting a Raccoon Heist game using Claude Fable 5 - 5th August 2026
New release of LLM adds support for reasoning traces, OpenAI Responses, server-side tools, and smarter logging - 4th August 2026
Stateless MCP has recaptured my interest (and inspired mcp-explorer and datasette-mcp) - 31st July 2026

This is a beat by Simon Willison, posted on 21st April 2020.

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