Simon Willison’s Weblog

Ruby on Rails 2.3 Release Notes. I’m impressed with how thoroughly Rails has embraced Rack (Ruby’s standardised web framework API, inspired by Python’s WSGI).

Posted 15th March 2009 at 1:22 pm

Recent articles

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
GPT-5 Thinking in ChatGPT (aka Research Goblin) is shockingly good at search - 6th September 2025

python 1188 rack 2 rails 72 ruby 72 wsgi 28

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