Public list by ~rubyweekly
https://paolino.me/ruby-concurrency-what-actually-happens/
Ruby Concurrency: What Actually Happens — A from-the-ground-up tour of processes, Ractors, threads, and fibers. Concurrency is a common source of confusion, but this guide helps clear up when to reach for which primitive, complete with benchmarks, sequence diagrams, and traces of what happens behind the scenes.
3 months ago
https://link.testdouble.com/f65bfc
AI Uncertainty and Pressure Causing Existential Dread? — It’s real, and you’re not alone. C-suites pushing AI mandates without strategy. Teams with varying levels of fluency. AI workflows aren’t productive. Test Double offers confidential pairing sessions with experienced humans. Safe space. No judgment.
3 months ago
https://stripe.dev/blog/formatting-an-entire-25-million-line-codebase-overnight-the-rubyfmt-story
How Stripe Formatted a 25 Million Line Codebase Overnight — Stripe boasts ‘the world’s largest Ruby codebase’ (42 million lines in 2026), so how it reformatted all its code in a weekend using rubyfmt is quite the tale. This was before rubyfmt migrated to Prism, so it's even faster now.
3 months ago
https://rubyinside.com/spinel/
An Overview of Spinel, Matz's AOT Ruby Compiler — Spinel intrigued me enough last week to dig deeper. Here’s a roundup of how it works, where it came from, what it can and can’t do, and where it could eventually fit into the broader ecosystem. Since last week it’s gained FFI support, and someone’s even written a CRuby extension with it!
3 months ago
https://hanakai.org/blog/2026/05/01/welcome-to-hanakai
Hanami and Friends Join Forces as Hanakai — The Hanami framework, Dry, and ROM have all come together under one group to form Hanakai, a single group that will grow that garden of aligned gems together.
3 months ago
https://speakerdeck.com/ioquatix/surviving-black-friday-329-billion-requests-with-falcon
Surviving Black Friday: 329 Billion Requests with Falcon — A RubyKaigi slide deck from the creator of Falcon, a high-performance, multi-process, multi-fiber HTTP server built for Ruby apps. Shopify is now using it to scale its 15-year-old Rails codebase to incredible levels of traffic.
3 months ago
https://sinaptia.dev/posts/accelerating-legacy-systems-onboarding-with-ai
Onboarding Legacy Rails Apps Faster with AI — How SINAPTIA uses AI to understand legacy systems faster and start delivering value sooner. Let's talk.
3 months ago
https://github.com/crmne/ruby_llm/releases/tag/1.15.0
🤖 RubyLLM 1.15.0: Now with Image Editing and Cost Tracking — The popular ‘one stop shop’ API for working with AI models and APIs from Ruby makes it easier to edit existing images with paint, and there are now first-class ‘cost helpers’ to get running costs from response, chat, and agent objects.
3 months ago
https://www.appsignal.com/?variant=treatment
Plug Claude or Cursor into Your Rails App's Production Errors — AppSignal MCP feeds your AI the error, trace, and deploy. AI drafts the fix. You review and ship.
3 months ago
https://paolino.me/kamal-backup/
Kamal-Backup: Scheduled Rails Backups for Kamal Apps — A gem and a Docker image that provide scheduled database and Active Storage backups for Rails apps deployed with Kamal.
3 months ago
https://railsdesigner.com/introducing-fuik/
Fuik: A Webhook Engine for Rails — A Rails engine that catches and stores webhooks from any provider, then gives you a clean way to process them.
3 months ago