Happy Wednesday! Here is issue #141 of our newsletter, which offers news and the best tools for your current or future Rails projects… 1. 🚀 Hacktoberfest 2025 was a success! In this article, Gelsey highlights the open-source projects FastRuby focused on throughout the month. Read more about Our Team’s Hactoberfest Open Source Contributions in AI and Technical Debt Management; Explore our contributions to RubyCritic, RailsBump, Ruby-AI integration, and so much more. 🎉 2. 🎉 RubyGems 4.0.0.beta2 is out! This update brings important refinements and fixes as the RubyGems team moves closer to the final 4.0 release. 3. 💎 The Gem Cooperative is launching a new Fellowship Program designed to support open-source maintainers and contributors working on Ruby’s core packaging ecosystem. 4. 🧠 Ruby and Its Neighbors: Lisp. Noel Rappin digs into the surprising philosophical overlap between Ruby and Lisp, exploring what these two languages can teach each other—and us—about expressive programming. 5. 📺 Helpful hack using container queries to write even more responsive CSS: Check out this video from SupeRails, Ruby on Rails #241 CSS Container queries. Breakpoints based on parent container are much more powerful & useful than breakpoints based on screen width. 6. 🧠 Transform your Ruby testing game with Jared's 'Don’t Make Me Think' approach! Discover how Intuitive Expectations make testing as seamless as writing Ruby itself, ditching the fuss for pure simplicity. 7. 🔐 Unlock the power of TDD in the AI age! 🚀 Justin explains why test-driven development is more crucial than ever for coding agents like Claude Code and Codex CLI. Explore why testing remains a critical skill for developers. 8. 🐢 Tired of slow Rails test runs? Running Tests in Rails 8.1's Local CI can dramatically speed up your testing workflow by giving you fast, consistent, CI-like feedback right on your machine. 🚨 Behind on upgrades? Bring in the new year with a plan that meets you where you are. Whether you need the full-steam-ahead Upgrade due to security issues, or the slow-and-steady, affordable approach with Bonsai. Get a tailored upgrade plan that meets every budget and timeline. Let's Talk. 9. 📊 Process Utilization in Rails: How We Actually Track It. Judoscale breaks down what “process utilization” really means in a Rails app. See how they overcame the challenges of background sampling and embraced edge-tracking for accurate, low-overhead autoscaling. 10.📱 Hotwire Native: Push Notifications & Version Management. Two great posts this week dive deeper into building polished mobile experiences with Hotwire Native, offering a clearer path to maintaining fast, reliable mobile apps powered by Rails.
11. ✨ Ever wished your favicon could show live updates, like unread counts or notifications, without a full page reload? This post from Rails Designer shows how to use Turbo Streams to dynamically update your favicon badge, adding a polished, modern touch to your Rails app with minimal code. 📆 Event News
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