Happy Wednesday! Here is issue #142 of our newsletter, which offers news and the best tools for your current or future Rails projects… 1. 🦸♂️ Ever wished your proudest coding moment came with a superhero origin story? In this article, Fiona introduces the Rails Superhero Card Generator. This playful, AI-powered tool creates a personalized superhero card featuring a fun image and name, showcasing your coding superpowers. Learn more about how it works and try it out for yourself. 2. 🎉 Releases
3. 🎄 Embrace the holiday spirit by giving back to the Rails community! In this edition of This week in Rails, Claudio shares how you can make meaningful contributions to Rails, whether you're a seasoned pro or just starting out. Discover practical tips and resources to kickstart your open-source journey and spread some Rails cheer! 4. 🗄️ Rails migrations usually “just work”—until you’re operating at serious scale. In this post, Adrianna Chang with Rails at Scale explores swappable migration backends, a Rails extension point developed at Shopify that allows teams to customize how migrations run when the defaults no longer fit. 5. 🧵 Are fibers the future of Ruby concurrency? In this OSS Friday update, NoteFlakes shares recent work on UringMachine. This fiber scheduler pushes Ruby’s concurrency model forward—along with benchmarks, lessons learned, and more on why fibers may unlock powerful performance gains with minimal code changes. 🔍 AI Spy – Spotting trends and tools worth watching. 🔎🎥 After two years of building AI projects in Python, this creator is coming back to Ruby. In this video, they share what worked, what didn’t, and why RubyLLM now powers their AI stack—showing how Ruby can handle real AI agents, multiple models, and seamless Rails integration to ship real products again. 🤖 Curious how to build real LLM-powered apps in Ruby? This article offers a practical introduction to using Ruby for AI development—covering key concepts, tools, and patterns to help integrate large language models into production-ready applications. From building RAG pipelines to implementing MCP servers, this guide is perfect for developers eager to innovate within the Ruby ecosystem they love. 🧠 Building AI tools for Rails without drowning in context? In this article, Rails MCP Server: Context-Efficient Tool Architecture, Mario Chavez discusses how Rails MCP Server's new architecture keeps AI integrations efficient and maintainable—showing how thoughtful design can reduce context overload while supporting powerful tooling. 🤖 How ready is your team for AI-assisted development? AI is changing how we build software. If you don’t have a strategy for AI-tooling adoption, you need one: AI Readiness Assessment helps CTOs uncover high-value opportunities to enhance your development workflow. 6. 🥒 Transform your Rails testing game with Cucumber! Explore Daniela Baron's latest post on how Cucumber separates high-level intent from low-level implementation, making your test suite more readable and maintainable. 7. 🤔 Are you tackling the challenge of integrating React into your Rails projects? React + Rails in 2025: Is there a “standard” way with SSR? Learn what fellow contributors are saying about their approach, and join in the discussion on Reddit. 8. ⚙️ Confused between Exec vs. Run? André Arko breaks down the subtle but important differences between exec and run, explaining when each makes sense and why choosing the right one matters more than you might think. 9. 📝 Create a Markdown Editor in Rails. Join Hans-Jörg Schnedlitz as he walks you through creating a GitHub-like Markdown editor with Rails, Turbo Streams, and StimulusJS. Perfect for adding sleek live previews and image uploads to your projects!. 10.🚦 Say goodbye to external services and hello to typed values right in your database. Whether it's numbers, strings, or JSON, manage them all with ease and a sleek admin UI. Lucas Dachman explores building Self-Hosted Feature Flags for Rails with typed values, giving teams more control, safety, and flexibility when rolling out changes. 📆 Event News: 🎉 Rails events are gearing up for 2026!
Check out our other articles on: Ruby | Rails | Compatibility | Upgrades | Tech Debt | AI Bookmark, share, or save them for later. We hope you found these links helpful. 😉 Know anyone who would love to receive this newsletter? Tell them to subscribe to the Rails Upgrade News newsletter… Best, The FastRuby.io Team |
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