Running GitHub on Rails 6.0. Back in 2019 Eileen M. Uchitelle explained how GitHub upgraded everything in production to Rails 6.0 within 1.5 weeks of the stable release. There’s a trick in here I really like: they have an automated weekly job which fetches the latest Rails main branch and runs the full GitHub test suite against it, giving them super-early warnings about anything that might break and letting them provide feedback to upstream about unintended regressions.
Recent articles
- Trying out the new Gemini 2.5 model family - 17th June 2025
- The lethal trifecta for AI agents: private data, untrusted content, and external communication - 16th June 2025
- An Introduction to Google’s Approach to AI Agent Security - 15th June 2025