Simon Willison’s Weblog

Mac OS X 10.4: "Erase data on device" is the default first sync option in iSync 2.0 (via) This bug wiped my phone’s address book. Thankfully it’s fixed in 10.4.1.

Posted 17th May 2005 at 5:23 pm

Recent articles

What happens if AI labs train for pelicans riding bicycles? - 13th November 2025
Reverse engineering Codex CLI to get GPT-5-Codex-Mini to draw me a pelican - 9th November 2025
Video + notes on upgrading a Datasette plugin for the latest 1.0 alpha, with help from uv and OpenAI Codex CLI - 6th November 2025

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe