Introducing ractor_queue: A Shared Queue for Ruby Ractors

This post introduces ractor_queue v0.1.0, a bounded, lock-free, Multi-Producer Multi-Consumer (MPMC) queue that is always Ractor.shareable?. It is the missing primitive for building Ractor-based pipelines, worker pools, and concurrent data processing in Ruby. [more inside]

llm.rb v4.13.0 released

llm.rb is a runtime for building AI systems that integrate directly with your application. It is not just an API wrapper. It provides a unified execution model for providers, tools, MCP servers, streaming, schemas, files, and state. See the CHANGELOG this release.

Exploring a less common area in Ruby: geospatial + map rendering.

Built a small stack to turn GeoJSON → maps server-side (Rails-friendly). Feels like there’s still a lot of unexplored space here. [more inside]

Building a World-Class Search Engine in Rails with Searchkick

Stop Using SQL LIKE: A Step-by-Step Guide to Elasticsearch in Rails When you build a… [more inside]

Mastering Regular Expressions in Ruby

Regular expressions (regex) are powerful tools for pattern matching and text manipulation

re2 2.27.0: concurrent matching without the GVL

A new version of the Ruby bindings to RE2, a “fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python” is now out and releases the Ruby Global VM Lock when performing matches. [more inside]

The Easiest Way to Add Drag and Drop to Your Rails App

Building Drag and Drop in Rails 8 with SortableJS and Importmaps Very often I find myself… [more inside]

Announcing Fuik: a webhook engine for Rails

Post: https://railsdesigner.com/introducing-fuik/ Repo: https://github.com/rails-designer/fuik [more inside]

llm.rb v4.12.0 released

llm.rb v4.12.0 has been released. Check the CHANGELOG for details.

🗺️ MapView: Static maps for Rails. No JavaScript. No frontend. Just Ruby.

Render beautiful GIS maps directly from your views using libgd-gis + GeoJSON. [more inside]

AdonisJS vs Ruby on Rails: Which MVC Framework Wins?

Very often I see JavaScript developers getting tired of building backend APIs with Express.js…. [more inside]

Rabarber v6: Major Update for the Rails Authorization Gem

Rabarber, a role-based authorization gem for Rails, releases v6.0.0. The new version finalizes the API cleanup started in v5 and reworks the caching mechanism to improve reliability and fix a bug that prevented Rabarber from working correctly with Memcached.

Practical CSS: simplifying UI code with pseudo-classes

When a small UI interaction gets tricky, it’s easy for Stimulus/JS to end up full of class toggling that’s really just presentation logic. This article is for that exact situation: it walks through a real tag-input widget and shows which CSS pseudo-classes can handle states like “empty,” “single item,” or “show/hide controls,” so your JavaScript can stay focused on behavior. Practical CSS: simplifying UI code with pseudo-classes

Tired of heavy map libraries? We were too.

MapView generates static PNG maps from Rails—no JavaScript bloat, no frontend complexity. ✅ Pure Ruby ✅ PostgreSQL/PostGIS ready ✅ Lightning fast rendering [more inside]

The Git Commands I Run Before Reading Any Code

Five git one-liners I run on every new codebase before opening a file. Churn hotspots, bus factor, bug clusters, commit velocity, and crisis patterns. The post covers what the output actually means and how I use it to decide where to start reading. Framework-agnostic, works on any repo. [more inside]

Become a Founding Sponsor of the Ruby Users Forum

We’re building the Ruby Users Forum, a growing community focused on knowledge sharing, collaboration, and continuous learning. [more inside]

DragonRuby Game Toolkit lets you write commercial games in Ruby

DragonRuby Game Toolkit lets you write commercial games in Ruby that run on: ✅ Switch, PS5, Xbox ✅ Steam Deck ✅ iOS, Android, Web ✅ Raspberry Pi [more inside]

The Ultimate Guide to Universal Linux Apps: Snap, Flatpak, and AppImage

Very often I find myself remembering the “bad old days” of Linux. If you wanted to install a simple… [more inside]

Dear Heroku: Uhh... What’s Going On?

If you’ve been following any of the recent Heroku announcements…

No more slow SQL logs. No more hung test suites.

The latest Rails updates fix two of the most annoying bugs in development and CI. Full breakdown on RubyStackNews.com [more inside]

Guard rails, not gatekeeping

I’ve written an article about how I make it simpler for new developers to contribute to projects, rather than throw up barriers to keep people out.

llm.rb v4.11.0 released

llm.rb v4.11.0 introduces streaming tool execution—tools can start while the model is still responding, overlapping latency with output. It adds MCP support over both stdio and HTTP (with connection pooling), OpenAI’s Responses API, and a complete concurrency model with threads, fibers, and async tasks. [more inside]

Stop Using RVM: The Ultimate Guide to Ruby Version Managers

rbenv vs rvm vs asdf vs mise vs chruby vs direnv Very often I see beginners getting… [more inside]

rv: The Missing Piece for Ruby Programmer Happiness

How to Use Rails Magic Methods in Plain Ruby Scripts

Very often I find myself writing small, standalone Ruby scripts. Maybe it’s a web scraper, a small… [more inside]