Short Ruby Newsletter - edition 136

Table of Contents

• 📅 Events

• 👉 All about Code and Ruby

• 🧰 Gems, Libraries, Tools and Updates

• 🤝 Related (but not Ruby-specific)

• More content: 📚 🗞 🎧 🎥 ✍🏾

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📅 Events

📅 Normal Rails World tickets were sold out within the first few minutes, and corporate tickets were also sold out within 20 to 30 minutes

📅 Euruko shared that regular tickets are available:

And if you have tickets for Rails World and plan to buy a ticket for Friendly.rb and EuRuKo then you can take part in Ruby Triathlon:

👉 All about Code and Ruby

👉 Takashi Kokubun announced Ruby 3.4.4 Released

From the same announcement we found:

👉 Satoshi Tagomori merged on 11 May the feature Namespace on Read to Ruby master

The feature has a big discussion on the Ruby bug tracker that I think you should read and there was also a big discussion on HackerNews about it.

👉 Xavier Noria published a very good digest called Namespaces 101

👉 Max Bernstein announced that ZJIT has been merged into Ruby:

👉 Richard Schneeman announced that Ruby version 3.4.4 is available on Heroku

💻 Code Samples

💻 ️Jamie Schembri shared a code sample about pattern matching

️💻 ️Hans Schnedlitz posted a code sample about ActiveSupport “mattr_accessor“ method

💻 Nate Berkopec shared a code sample about Rails performance anti-pattern with caching

️💻 Hans Schnedlitz shared a code sample about converting a number in Excel

️💻 Daveyon Mayne shared a code sample about using MessageVerifier:

️💻 Zeke Gabrielse shared a code sample about using pattern matching:

️💻 Hans Schnedlitz shared Ruby regex techniques for removing emojis

️💻 Jamie Schembri shared a simple Ruby tip for making a class initializer private

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📐 Thinking about Code Design

️️📐 ️Adrian Marin asked about any performance penalties from using both ViewComponents and Phlex in the same Rails app:

Here are some replies:

️📐 Alexis Bernard shared about fighting an attack by a botnet:

️📐 Kirill Shevchenko shared about using Rails solid gems to simplify things:

️📐 Nick Schwaderer shared about working on Scarpe and how this reminds him of Noah Gibbs. If you plan to attend Brighton Ruby you can contribute to Noah Gibbs Education Grant

️📐 Errol Schmidt shared a long post about things they found in Rails codebases:

️📐 Nate Berkopec warned about the performance issues caused by using hashes with many dynamic keys in ActiveRecord models

💡Around code (news, findings, books, and more - all about Ruby)

💡 Vladimir Dementyev shared they are working on making the Rails tutorial run in browser:

You can read the entire thread outside X via Threadreader here (not affiliated).

💡 Ruby + Rails : Distilled requested RSS feed links from developers who write Ruby-related blog posts

Here is a list of all recommendations from this post:

• https://schembri.me/rss

• https://allaboutcoding.ghinda.com/rss.xml

• https://katafrakt.me/feed.xml

• https://joshfrankel.me/feed

• https://mentalized.net/journal/entries.xml

• https://t27duck.com/posts.xml

• https://dcyoung.dev/feed.xml

• https://enocc.com/feed.xml

• https://tekin.co.uk/atom.xml

💡 Akshay Khot asked about resources to learn concurrent programming in Ruby:

Here are some of the recommended resources:

• Ruby methods are colorless (2024)

• Working with Ruby Threads (2013)

• Threads, Not Just for Optimizations (2013)

• Matz is not a threading guy (2013)

• Nobody understands GIL (2013)

• Nobody understands the GIL - Part 2: Implementation (2013)

• Nobody understands the GIL - Part 3: Thread Safety (2013)

• concurrent-ruby gem

• async gem

❤️ Why Choose Ruby and Rails

❤️ Javier Cervantes asked why people love Ruby programming language:

Here are some replies:

❤️ Ruby Central shared RailsConf 2025 Keynote: John Dewsnap on What Happened After Flexcar Switched from Java to Ruby on Rails

❤️ Neeraj Singh shared about how Rails should be promoted more:

🧰 Gems, Libraries, Tools and Updates

🆕 New Gems and Repos

🆕 Rails Designer published a new gem courrier - API-powered email delivery for Ruby apps. With support for Mailgun, Postmark, Resend and more (here you can read the introductory article Salut Courrier! A New Ruby Gem to Send Emails)

🆕 Igor Kasyanchuk published a new gem called get-smart - Learn Ruby/Rails topics during your app’s boot time

🆕 Nate Berkopec discovered a new gem made by Mike Yang → sdb - “A Ruby stack profiler without GVL“

🆕 Giovapanasiti published a new gem → active_storage_dashboard - “A mountable Rails engine that provides a dashboard to view Active Storage data“

🆕 Obie Fernandez published a new gem → roast - “Structured AI workflows made easy“

🆕 Mike Subelsky published a new gem bundler_mcp - A Model Context Protocol (MCP) server enabling AI agents to query information about gems in a Ruby project's Gemfile, including source code and metadata

🧰 Updates

🧰 Ruby Gems published a new release 3.6.9 Released

🧰 postmodern shared that Ruby Install now supports Ruby 3.4.4:

🧰 Joel Drapper announced they’re moving several Ruby projects under the Yippee.fun GitHub organization. Check out all the projects mentioned in the post by accessing Yippee!

🧰 Alexis Bernard announced a new release for active_hashcash - “Protect Rails applications against bots and brute force attacks without annoying humans“

🧰 Carmine Paolino announced a new version of RubyLLM 1.3.0: Contexts, Local Models, and the End of Manual Model Tracking

🧰 David Rodríguez released an update for rubygems - “Library packaging and distribution for Ruby“

🧰 Jeremy Evans announced a new version of Roda 3.92.0 - “Routing Tree Web Toolkit“

🧰 Mohammad A. Ali released a new version of TinyBits - “tinybits binary encoding for Ruby“. For more details about this release, check out his blog post → TinyBits are now more tiny with dictionary support

🧰 Stan Lo opened a draft PR for ruby-lsp - “An opinionated language server for Ruby“. For more details, check out his PR → Add Experimental MCP Support #3396

🤝 Related (but not Ruby-specific)

🤝 Typecraft emphasized AI's potential impact on creativity and curiosity

More content: 📚 🗞 🎧 🎥 ✍🏾

🗞 Newsletters

🗞 This Week in Rails published a new article about RFC-9111 style Cache-Control directives hit or miss

🗞 Hotwire Weekly published a new article about Week 20 - First Pass Stimulus MCP Server, Hotwire Native Tab Bar, and more!

🗞 Ruby Weekly published a new article about Say hello to ZJIT

🗞 Matt Solt published a new edition of Ruby AI news about Ruby AI News - May 16th, 2025

🗞 Sajjad Umar published a new edition of Ruby on Rails - May 2025

🗞 Awesome Ruby Newsletter published a new article about Issue 469 - Ruby 3.5 Feature: Namespace on read

🎧 Podcasts

🎧 The Bike Shed published two new episodes:

• Ep 462: Decomposition as a key developer skill with Steve Polito 

• Ep 463: All about modals with Elaina Natario

🎧 IndieRails published a new podcast → JD Graffam - See If They Hug You Back 

🎧 Jason Swett published a new podcast → 256 - Dave Farley, Author of Modern Software Engineering

🎧 Remote Ruby published a new podcast → Gems, Jokes, and JavaScript

🎥 Videos

🎥 Drifting Ruby published a new video about LLM Insights | Drifting Ruby

✍🏾 Articles

What’s new 🆕

🆕 Avo published an article about Sign in with Apple for Rails apps

🆕 Vishnu M published a new article about Understanding Active Record Connection Pooling

🆕 Akshay Khot published a new article about Serving Large Files in Rails with a Reverse Proxy Server

🆕 RoRvsWild's blog published a new article about Experimenting to optimize SQL query by x360 and some tips to read query plans

🆕 Chetan Mittal published a new article about What’s Next in AI That Can Be Built Using Ruby on Rails in 2025

🆕 Felipe Vogel published a new article about Reimplementing polymorphic associations in the database

🆕 Radan Skoric published a new article about Coding agent in 94 lines of Ruby

🆕 Dave Thomas published a new article about Method Chaining vs Function Composition

🆕 Kevin Murphy published a new article about Rails Controller Callback Order With Concerns

🆕 Gosha published a new article about Ruby: sane sorbet-ls setup in Emacs

🆕 David published a new article about How .excluding works in Rails

🆕 Harsh Patel published a new article about Modern Rails Rendering Techniques: Choosing Between Turbo Drive, Frames, Streams and Morph

🆕 Team Timescale published a new article about Your Rails App Isn’t Slow—Your Database Is

🆕 Ed Izaguirre published a new article about Building AI Applications in Ruby

🆕 Mohammad A. Ali published a new article about TinyBits are now more tiny with dictionary support

🆕 Mish published a new article about RubyKaigi 2025 Recap

🆕 Zeke Gabrielse published a new article about Steering the ship

🆕 Jamie Schembri published an article about SOLID: Interface Segregation Principle (ISP)

🆕 Rob Race published a new article about Avoiding N+1 Queries in Rails

🆕 Jeremy Kreutzbender shared an article about GitHub CoPilot Instructions Can Catch Ruby On Rails N+1 Queries

🆕 Josh Frankel published a new article about ViewComponents, the Missing View Layer for Rails

🆕 Josef Strzibny published a new article about Kamal 2.6 is out with maintenance mode

🆕 Adrian Marin published a new article about Two things I wish I knew when I started to build an internal tool framework

How-TOs 📝

📝 Rails Designer published a new article about Natural Language Parser for Recurring Events using Stimulus

📝 Paweł Urbanek published a new article about My puts Debugging Workflow in Rails Apps

📝 Rob Race published an article about How to Build a Twitter Clone with Rails 8 Inertia and React

📝 Max Chernyak published a new article about Getting Answers from a Big PDF with RubyLLM

📝 Vitalii Elenhaupt published a new article about Using React Components in Stimulus Controllers