Latest Ruby News

It teaches how to think — and sometimes, even how to talk.

November 13, 2025 Sometimes, the smallest details in a language reveal the biggest lessons. Recently, during a code review, someone suggested I change...

https://www.fastruby.io/blog/hidden-dangers-in-your-gemfile.html

Learn how the custom Rails Upgrade Assistant Skill, built on Anthropic’s platform, automates the tedious process of merging configurations and detecti...

#​775 — November 13, 2025 Read on the Web Ruby Weekly Photo used with the kind permission of Koichiro Ohba Ruby 4.0 is arriving this year! The RubyWor...

Two more free Phlex on Rails Component fundamentals videos for the beginning of this week: Rendering and Tags, attributes, & text.

In the final part of our Showcase for Rails series, we’ll look at its key feature - samples: https://blog.appsignal.com/2025/11/12/rendering-samples-w...

Our biggest release yet. Rack 3, resource routes, and so much more. https://hanamirb.org/blog/2025/11/12/hanami-23-racked-and-ready/

Keeping things simple and letting your app tell you where you need to change it is the best option. You don’t need different architectures or patterns...

I didn’t fully understand the semantics of < in a gemspec with respect to pre-release gems until I tried to upgrade a beta version of rails to the ...

The latest CMDx update lets you mark execution arguments as required only in certain conditions. This helps when objects behave a bit differently depe...

First steps into game development with DragonRuby, discover Ruby's Smalltalk neighbors, Hunt a Ruby memory bug, See arguments against RSpec shared exa...

First steps into game development with DragonRuby, discover Ruby's Smalltalk neighbors, Hunt a Ruby memory bug, See arguments against RSpec shared exa...

I just published a short post on the 5 most common Rails performance issues. https://www.shivamchahar.com/posts/rails-performance-5-critical-bottlenec...

The one where Ruby 4.0 is announced, where Namespace is renamed to Ruby::Box and deep_freeze is under discussion

The one where Ruby 4.0 is announced, where Namespace is renamed to Ruby::Box and deep_freeze is under discussion

Long ago, we were building a custom admin area with multiple internal roles, each requiring different access levels. Existing authorization solutions ...

Partner with a trusted Outsourced Product Development (OPD) company like Synclovis Systems. By outsourcing your product development, you can reduce co...

Hey Ruby friends! I wrote a post about My go-to prompt for legacy code exploration. It’s not Ruby-specific but I use it a lot on Rails rescue projects...

Today I’m kicking off the second unit of free Phlex on Rails videos with the “Phlex is Ruby” video at https://beautifulruby.com/phlex/components/basic...

https://judoscale.com/blog/scaling-sideways-why-you-might-want-to-run-two-production-apps

The last of my introduction videos, “Why Rails” at https://beautifulruby.com/phlex/overview/rails and “Why Components?” at https://beautifulruby.com/p...

https://blog.appsignal.com/2025/11/05/an-introduction-to-game-development-with-dragonruby.html

#​774 — November 6, 2025 Read on the Web Ruby Weekly When Your Hash Becomes a String: Hunting Ruby's Million-to-One Memory Bug — This is genuinel...

Here’s how to save costs and avoid DockerHub with a completely local Docker registry.

I released Kamal Handbook 2.1 which updates the book to Kamal 2.8.2.

https://beautifulruby.com/phlex/overview/phlex is the first video in a series where I’m going to make some of the Phlex on Rails videos free for a day...

Learn to write a custom Bundler plugin with this series of articles from PracticalRubyGems.com - companion site to the new book from Apress. The tutor...

https://www.rubynewbie.org/compelling-reasons-to-learn-ruby-today

Master the N+1 problem in Active Record. Understand when to use joins, includes, or both to optimize Rails database queries and boost performance.

Friendly Attributes helps reduce typing and visual clutter when building record collections. It results in concise, readable, and even joyful code tha...

Find out everything about frozen string literals from Jean Boussier, parsing Ruby code from Pat Shaughnessy, code highlighting in Rails from Avo, sing...

Find out everything about frozen string literals from Jean Boussier, parsing Ruby code from Pat Shaughnessy, code highlighting in Rails from Avo, sing...

Rails 8.1 is here, and after digging into the new features, it looks like a solid upgrade 🎯. This release focuses on developer experience and producti...

In this episode, we look at creating a failover mechanism for API requests. This can be a handy trick in situations where you want to add fault tolera...

The one with Rails 8.1.1 release, where Jean Boussier does a deep dive into frozen string literals, where San Francisco Ruby is two weeks away, and Tr...

The one with Rails 8.1.1 release, where Jean Boussier does a deep dive into frozen string literals, where San Francisco Ruby is two weeks away, and Tr...

Dynamic avatars with Ruby are a common feature as we usually want to provide sensible default values without resorting to the same default avatar for ...

Ruby Enumerablea Ruby module, and a big part of what makes Ruby a great programming language.

Are your Ruby projects suddenly failing with the error “certificate verify failed (unable to get certificate CRL)”? That’s due to a breaking change in...

You need gems? Look at ore! I wrote a little piece about this new tool to install your gems. https://greg.molnar.io/blog/ore-bundler-compatible-gem-ma...

One of the most demanding tasks many students face is writing a thesis. The depth of research, clarity of argument, and academic rigor required can be...

For many learners, online classes bring flexibility but also additional challenges such as self-discipline, deadline awareness, and virtual engagement...

In today’s fast-paced education environment, students face multiple demands: managing online classes, completing detailed coursework, and writing rigo...

Forcing static typing into Ruby is like putting a manual transmission in a Tesla. New post on why Sorbet misses the point entirely.

I can’t remember the last time I had this much joy introducing such a simple class. Started with Ruby 3.4 deprecation warnings, ended with a solution ...

https://www.railscarma.com/blog/understanding-present-blank-nil-and-empty-in-ruby/

The ri command already splits the document into well-chunked sections so that coding agents can get the correct context accurately.

https://pearprogramming.blog/ruby/rails/activerecord/2025/10/30/a-matter-of-order/

What are they? What purpose do they serve? Why the hell do I need to know about this Rack thing? https://www.fastruby.io/blog/Middleware-in-Rails.html