Happy Wednesday! Here is issue #147 of our newsletter, bringing you news and the best tools for your current or future Rails projects... 1. ⚡ Slow tests killing your momentum? In this article, Ariel breaks down how we reduced a Rails test suite from 40 minutes to just 4 minutes! Check out the bottlenecks we uncovered, the optimizations that made the biggest impact, and practical steps you can apply to boost productivity and cut CI costs. Optimize your workflow by leveraging parallelization and smart test strategies 2. 🧹 Keeping your Ruby environment clean can save hours of debugging. The team at Spinel.coop introduces rv clean-install, a streamlined way to rebuild your Ruby setup from scratch, a simple way to perform a fresh, reliable Ruby installation without leftover artifacts from previous builds. It explains why clean installs matter, especially when debugging odd environment issues, and how this new command helps ensure a predictable, repeatable setup for Ruby developers. 3. 🌍 Meet Upright, the open-source synthetic monitoring tool crafted by 37signals. This system was built to monitor services like Basecamp, HEY, and Fizzy. It runs real-world checks from global servers, records failures, and integrates with tools like Prometheus and Grafana for alerts and dashboards, giving teams full control over uptime monitoring. If you’re curious about how they replaced third-party tools with their own customizable, open-source stack, check it out. 4. 🚨 Reminder: Unsupported Ruby & Rails versions put you at risk.
🚨 Every new release can push your app further behind. Not sure you can tackle the upgrade alone? Start with a Roadmap. Understand the scope before you begin, plan your budget with confidence, and get clear estimates backed by 50,000+ hours of real upgrade data. Get upgrade-ready with FastRuby.io. [ AI ] Updates you don't want to miss…5. 💎Discover why Ruby is a game-changer for AI apps in 2026! Carmine Paolino shows us how RubyLLM and Rails dramatically reduce cognitive overhead compared to Python's LangChain or JavaScript's AI SDK, letting you focus on what matters: prompts and product. Backed by real-world testimonials, it's a refreshing and persuasive read for any developer tired of fighting their tools. 6. 🛠️ Want to take your GitHub Copilot workflow further? Check out Joshua Wood's guide on crafting a GitHub Copilot custom agent! Learn how to build a custom agent that connects directly to your error-tracking tool and helps debug production issues automatically, no more manual context gathering or switching between tools. From defining agent behavior to hooking it up with Honeybadger’s MCP server, you’ll see how AI can become a smarter ally in fixing real code problems. 7. 🤖✍️ Building trust in an era of hybrid human/AI Content. In “Generative AI and Tech Writing: The Right Answer is to Disclose,” Jon Sully explains that as AI tools become more common in technical writing, transparency matters. He reflects on why AI-generated prose that is undisclosed can feel inauthentic to readers and proposes straightforward disclosure of how much of a piece was AI-assisted. 8. 💸 Want to make your LLM requests 10x cheaper? Sam Rose breaks down prompt caching, a powerful technique for reducing latency and cutting costs in LLM applications. If you’re building AI features and noticing slow responses or rising token bills, this post explains how caching repeated prompt components can dramatically improve performance without sacrificing quality. 📆 Upcoming Events:
Check out our other articles on: Ruby | Rails | Compatibility | Upgrades | Tech Debt | AI Bookmark, share, or save them for later. We hope these links are helpful to you.😉 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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