Simon Willison’s Weblog

XSS Protection by Default in Rails 3.0. Fantastic news—congratulations, Rails core team.

Posted 8th October 2009 at 4:35 pm

Recent articles

I think "agent" may finally have a widely enough agreed upon definition to be useful jargon now - 18th September 2025
My review of Claude's new Code Interpreter, released under a very confusing name - 9th September 2025
Recreating the Apollo AI adoption rate chart with GPT-5, Python and Pyodide - 9th September 2025

rails 72 ruby 72 security 549 xss 60

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