Rack Is Still Innovating: The Backbone of Ruby’s Web Stack Keeps Evolving February 26, 2026 In recent months, much of the conversation in the Ruby ecosystem has focused on Ruby 4, Rails 8, concurrency, JIT compilers, and runtime capabilities. But while attention was on the language and frameworks, one critical component — present in every … Continue reading 🧱 Rack Is Still Innovating: The Backbone of Ruby’s Web Stack Keeps Evolving
Category: Software Development
🧩 Ruby 4’s Quiet Improvements: Small Changes That Matter in Real Code
When Ruby 4 was announced, most discussions focused on experimental features like Ractors, new JIT work, or isolation mechanisms. However, beneath the headline features lies a set of quieter improvements — refinements to the core language and standard library that directly affect everyday development. These changes may not generate conference talks, but they improve performance, … Continue reading 🧩 Ruby 4’s Quiet Improvements: Small Changes That Matter in Real Code
🧵 Ruby 4 Concurrency Gets Real: Understanding Ractor::Port in Practice
Scan to try 🎯 Live Demo Available Introducing MapView Render beautiful, production-ready maps directly from your Ruby backend. No external APIs. No dependencies. Just pure speed and control. ✓ Zero external dependencies ✓ Lightning-fast rendering ✓ Production-ready & battle-tested Try the Live Demo → Read Docs Ruby has long balanced developer happiness with safety, but … Continue reading 🧵 Ruby 4 Concurrency Gets Real: Understanding Ractor::Port in Practice
Neither Too Much nor Too Little: A “Touch Base” on the Current State of AI
Neither Too Much nor Too Little: A “Touch Base” on the Current State of AI February 23, 2026 Motivated by the many comments — some fearful, others excessively enthusiastic — about artificial intelligence, I set out to “touch base”: to ground the discussion with a personal perspective on this tool which, no matter how useful … Continue reading Neither Too Much nor Too Little: A “Touch Base” on the Current State of AI
🧪 Ruby in the Browser? Exploring Rubox and the Future of Ruby WASM
February 22, 2026 Scan to try 🎯 Live Demo Available Introducing MapView Render beautiful, production-ready maps directly from your Ruby backend. No external APIs. No dependencies. Just pure speed and control. ✓ Zero external dependencies ✓ Lightning-fast rendering ✓ Production-ready & battle-tested Try the Live Demo → Read Docs A fully client-side Ruby playground powered … Continue reading 🧪 Ruby in the Browser? Exploring Rubox and the Future of Ruby WASM
What Rails Actually Wants: Tidying Controllers and Views Without Service Object Explosion
February 20, 2026 Lessons from RailsTokyo 2026 on using ActiveRecord as a relational engine—not just an ORM Modern Rails teams often inherit a paradox: controllers must be “thin,” views must be “dumb,” models must be “fat,” and yet production apps accumulate service objects, query objects, presenters, decorators, serializers, policies, and helpers until the architecture resembles … Continue reading What Rails Actually Wants: Tidying Controllers and Views Without Service Object Explosion
Stop Checking admin?: Designing Authorization That Won’t Become Technical Debt (Kaigi on Rails 2025)
February 17, 2026 Modern Rails applications rarely fail because of authentication — they fail because of authorization complexity. As products grow, roles multiply, exceptions accumulate, and permission checks scatter across controllers, models, views, and frontend code. What begins as a simple current_user.admin? quickly becomes an unmaintainable web of implicit rules. At Kaigi on Rails 2025, … Continue reading Stop Checking admin?: Designing Authorization That Won’t Become Technical Debt (Kaigi on Rails 2025)
From Delayed Job to Solid Queue: How a 10-Year Rails App Finally Achieved Linear Scaling
From Delayed Job to Solid Queue: How a 10-Year Rails App Finally Achieved Linear Scaling February 16, 2026 Lessons from Kaigi on Rails 2025 — Shohei Kobayashi Built for Ruby on Rails Build Maps WithoutGoogle APIs Generate beautiful production-ready maps directly from your Rails backend. Fast rendering, zero external dependencies, full control. View Live Demo … Continue reading From Delayed Job to Solid Queue: How a 10-Year Rails App Finally Achieved Linear Scaling
Designing Safe Parallelism in Rails
Designing Safe Parallelism in Rails February 12, 2026 Eliminating Connection Pool Exhaustion in Production At Kaigi on Rails 2025, 片田 恭平 (@katakyo) delivered a deeply practical talk titled: “もう並列実行は怖くない — コネクション枯渇解消のための実践的アプローチ” (“Parallel Execution Is No Longer Scary — A Practical Approach to Eliminating Connection Pool Exhaustion”) もう並列実行は怖くない__コネクション枯渇解消のための実践的ア… This session explored a real-world scaling problem inside … Continue reading Designing Safe Parallelism in Rails
Rails Meets PostgreSQL 18
February 11, 2026 Compatibility, Protocol Changes, and Virtual Generated Columns in Rails 8.1 At Kaigi on Rails 2025, Rails Committer Yasuo Honda delivered a deep technical walkthrough titled: Rails meets PostgreSQL 18 PostgreSQL 18 was officially released on September 25, 2025, and the talk explains how Rails adapts — not just at the marketing level, … Continue reading Rails Meets PostgreSQL 18









