Simon Willison’s Weblog

XULRunner 1.8.0.1 Release Notes (via) First stable developer release—create cross-platform apps with XUL.

Posted 6th February 2006 at 12:38 am

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The Summer of Johann: prompt injections as far as the eye can see - 15th August 2025
Open weight LLMs exhibit inconsistent performance across providers - 15th August 2025
LLM 0.27, the annotated release notes: GPT-5 and improved tool calling - 11th August 2025

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