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

JustHTML is a fascinating example of vibe engineering in action - 14th December 2025
OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI - 12th December 2025
GPT-5.2 - 11th December 2025

python 1213 rack 2 rails 74 ruby 72 wsgi 28

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