Ruby 4 & Rails 8: A Multi-Front Acceleration of the Ruby Ecosystem

February 26, 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 In recent years, Ruby and Ruby … Continue reading Ruby 4 & Rails 8: A Multi-Front Acceleration of the Ruby Ecosystem →

🧩 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 →

🧪 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 →

🧠 RubyKaigi 2024: A Deep Technical Shift in Ruby’s Standard Library (With Real Examples)

February 20, 2026 RubyKaigi 2024 — Historical ContextAlthough this presentation discusses Ruby 3.4–3.5 and the ecosystem has already moved forward to Ruby 4 by 2026, the strategic shift it describes — reducing the traditional standard library and externalizing functionality as gems — represents a fundamental change in Ruby’s philosophy rather than a version-specific roadmap.Understanding this … Continue reading 🧠 RubyKaigi 2024: A Deep Technical Shift in Ruby’s Standard Library (With Real Examples) →

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 →

Rails 8 Authentication: Why the New Built-in Generator Matters (and What It Means for Devise)

February 16, 2026 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 → Read Docs ✓ No API fees ✓ Self-hosted ✓ Rails Native ✓ Fast Rendering Why developers switch Replace expensive map stacks. Stop relying … Continue reading Rails 8 Authentication: Why the New Built-in Generator Matters (and What It Means for Devise) →

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 →