Short Ruby Newsletter - edition 152

In partnership with

Table of Contents

• 🚀 Launches and discounts

• 📅 Events

• 👉 All about Code and Ruby

• 🧰 Gems, Libraries, Tools and Updates

• 🤝 Related (but not Ruby-specific)

• More content: 📚 🗞 🎧 🎥 ✍🏾

(ad from RailsBlocks)

Rails Blocks is a growing library of 250+ beautiful, simple and accessible Rails UI components to you build modern, delightful apps faster.

As a Short Ruby Newsletter subscriber, you will get 40% off until 31st October by using the coupon code SHORTRUBY.

🚀 Launches and discounts

🚀 Rails Designer launched Forge — self-hosted community software

🚀 Steven Aguilar launched invoiceBoom - Professional Invoicing for Small Businesses & Freelancers

🚀 David Heinemeier Hansson announced an early launch for Fizzy. If you’re interested, sign up here → Fizzy private beta

📅 Events

📅 Blastoff Rails shared that tickets and CFP are open for their Rails conference which will take place next year in New Mexico → Blastoff Rails

📆 Rubycon Italy announced the tickets are available now at https://ti.to/rubycon/rubycon-2026/

📅 Here are the next conferences happening until the end of this month:

• XORuby San Diego - on 18 October in San Diego, CA

• XORuby Austin - on 25 October in Austin TX

📅The San Francisco Ruby Conference, happening on November 19-21, has a special price for tickets (only 350USD) until October 20. This conference will be great, so now is a good time to register for it.

👉 All about Code and Ruby

👉 Takashi Kokubun announced a new release of Ruby 3.4.7

️👉️ Ilya Grigorik shared that Falcon is now serving most of Shopify storefront traffic

Here is a slide from Samuel Williams slides from Kaigi on Rails 2025 → Building, Deploying and Monitoring Ruby Web Applications with Falcon

💻 Marco Roth announced that Herb Linter will support a new ‘—fix‘ option

(ad from RailsBlocks)

No more reinventing the wheel, just copy-paste the stimulus controllers, and the component into your codebase, and save hundreds of hours of dev time.

As a Short Ruby Newsletter subscriber, you will get 40% off until 31st October by using the coupon code SHORTRUBY.

👉 Avo published an excellent tutorial about Intelligent Search in Rails with Typesense

💻 Code Samples

💻 JP Camara shared a code sample about how to create a loop in Ruby without using any traditional loop keywords

️💻 Jon Yongfook shared a code sample about column names convention

️💻 Igor Alexandrov made a follow-up for his Rails association extensions post

️💻 Nate Berkopec shared an example of LLM-generated code appearing in codebases, showing a code snippet that uses “Date.new(9999, 12, 31)” as a default end date

️💻 Ruby Cademy shared how to use an infinite range in `case/when`

💻 Jan Dudulski shared a code sample about watch command from mise

️💻 Lucian Ghinda made a post about time precision in testing

📐 Thinking about Code Design

️📐️ Xavier Noria shared a about RBS and the approch of booleans:

️📐 Vincent Rolea shared how to deal if you experienced problems with installing gems on Mac OS Tahoe

️️📐 Nate Berkopec shared most common performance and scaling issues

📐 Radan Skoric posted a thread about some things you should consider when choosing between Hotwire and HTMX. He explains each point in more details in his blog → Hotwire and HTMX - Same Principles, Different Approaches

️📐 Nate Berkopec shared insights from his work in multiple Rails companies in terms of scaling issues, revealing that none of them were bottlenecked by thread switching overhead

️📐 Yaroslav Shmarov posted about the importance of using “slug_limit”

️📐 Jorge Manrubia shared that they’re using OpenAI API with RubyLLM for some AI features in Fizzy

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

💡 Andy Croll shared an interesting scenario for building a lineup

💡 Ruby On Rails announced a new documentation PR → [RF-Docs] [ci-skip] Rewrite of the Rails Initialization Process Guide

💡 Rails Girls São Paulo is looking for support to make Rails Girls happening once again.

Ruby Central and RubyGems

Two editions ago I made a section of the newsletter where I included some resources and discussions that were available at that moment. You can see that section here. In the last 2 weeks that has passed since then there were many more discussions and events happening and last week more details were published.

Here are some of them:

• Gem.coop was launched

• Martin Emde wrote about the initiative behind Gem.coop at at Announcing The Gem Cooperative

• Jean Boussier published an article about Dear Rubyists: Shopify Isn’t Your Enemy

• Mike Mc Quaid published an article about Bootstrapping gem.coop Governance

• Ruby Central published an article about Rubygems.org AWS Root Access Event – September 2025

• Ruby Central followed up with another article about Source of Truth Update – Friday, October 10, 2025

• André Arko published an article about The RubyGems “security incident”

• Justin Searls published a new article about People jumped to conclusions about this RubyGems thing

• Matt Swanson made a post about Ruby Central situation

• Martin Emde announced they will run for Project Lead at gem.coop

• Remote Ruby published a podcast episode about the same topic Who Owns RubyGems? Inside the Ruby Central Controversy

Here are some discussions happening online:

• HackerNews discussion about Gem.coop (318 comments)

• HackerNews discussion about Rubygems.org AWS Root Access Event – September 2025 (162 comments)

• Hacker News discussion about Why I’am not rushing to take sides in the RubyGems fiasco from Justin Searls

• r/ruby discussion about Ruby Central: Source of Truth Update – Friday, October 10, 2025 from Ruby Central

• r/ruby discussion about The RubyGems “security incident” article from Andre

• /ruby discussion about Rubygems.org AWS Root Access Event – September 2025

• r/ruby discussion about Dear Rubyists: Shopify Isn’t Your Enemy from Jean Boussier

(ad)

What 100K+ Engineers Read to Stay Ahead

Your GitHub stars won't save you if you're behind on tech trends.

That's why over 100K engineers read The Code to spot what's coming next.

• Get curated tech news, tools, and insights twice a week

• Learn about emerging trends you can leverage at work in just 10 mins

• Become the engineer who always knows what's next

Join 100k+ engineers

❤️ Why Choose Ruby and Rails

❤️ James Kerr shared a concise code example demonstrating Ruby's expressive syntax

🧰 Gems, Libraries, Tools and Updates

🆕 New Gems and Repos

🆕 Pete Matsyburka released a new gem → rllama - “Ruby FFI bindings for llama.cpp to run open-source LLMs such as GPT-OSS, Qwen 3, Gemma 3, and Llama 3 locally with Ruby.“

🆕 Ismael Celis announced a new gem → smidge - “A small HTTP client that understands OpenAPI specs“

🧰 Updates

🧰 Nick Pezza finished a PR about Kamal local registry support → Use local docker registry to push and pull app images

🧰 Jorge Manrubia announced some fixes for Lexxy → “A modern rich text editor for Rails.”

🧰 André Arko announced a new version of rv Announcing rv 0.2

🤝 Related (but not Ruby-specific)

🤝 Simon Willison shared some insights about “vibe engineering”. For more details, you can check the full blog version of it → Vibe engineering

🤝 Lucian Ghinda posted a thread about TDD. Here is just a part of it, you can read the whole thread on X, or read the blog version of it → The Art of Knowing Which TDD Tests to Delete

🤝 Donn Felker made a post on how to build good MCP servers. Feel free to check the entire post to get the most out of it.

🤝 Jesse Hanley made a post about how important is to have technical knowledge as a founder in a software business

More content: 📚 🗞 🎧 🎥 ✍🏾

📚️ Slides

📚️ Samuel Williams posted his slides from Kaigi on Rails 2025 → Building, Deploying and Monitoring Ruby Web Applications with Falcon

🗞 Newsletters

🗞 Ruby On Rails published a new edition → RemoteIp trusts link-local IP ranges, and has_secure_token expiration gets config

🗞 Hotwire Weekly published a new edition → Week 41 - Preventing edit conflicts, presence feature with Action Cable, and more!

🗞️ Ruby Weekly published a new edition → There's a new gem server in town

🗞️ Awesome Ruby Newsletter published a new edition → Issue 490 - Buckle Up, There’s a New Gem Server in Town: gem.coop

🎧 Podcasts

🎧️ Friendly Show published a new podcast episode → How a playful “passport” united three Ruby conferences and sparked a new way to connect the community

🎧 Ruby On Rails published a new podcast episode → Florent Beaurain: Optimizing Rails Tests at Doctolib Scale

🎧 The Ruby Gems Podcast published a new episode → Irina Nazarova: SFRuby Conf

🎧 Remote Ruby published a new podcast episode → Who Owns RubyGems? Inside the Ruby Central Controversy

🎧 Code And The Coding Coders Who Code It published a new podcast episode → Ruby’s Trustquake

🎧 The Bike Shed published a new podcast episode → 477: Change Management

🎧 The Ruby AI Podcast published a new episode → Real-World Ruby AI: Practical Systems That Work

🎧 Rails Business published a new episode → Chris Gaffney

🎥 Videos

🎥 Dean De Hart published a new video about Why I Haven't Uploaded Ruby on Rails Tutorials This Year

🎥 Dave Kimura published a new video about Omarchy

🎥 Go Rails published a new video about Rails 8.1 Local CI

🎥 Jason Swett published a new video about What is SaturnCI?

✍🏾 Articles

What’s new 🆕

🆕 Piotr Ch published a new article about Event-driven Modular Monolith

🆕 Julik Tarkhanov published a new article about Actually doing things in user's time zone

🆕 Charles Oliver Nutter published a new article about Updating Deprecations with Version Information

🆕 Julik Tarkhanov published a new article about Delete your old migrations, today and about The little Random that could

🆕 Ben Sheldon published a new article about Hanami and loading code, faster and about Serializing ViewComponent for Active Job and Turbo Broadcast Later

🆕 Javier Cervantes shared an article about Common Ruby interview questions

🆕 Piotr Chmolowski published a new article about Event-driven Modular Monolith: Strategies for keeping legacy Rails apps maintainable.

🆕 Reni Mercier published a new article about Lost in Minitest? Start here!

🆕Lucian Ghinda published a new article about Avoid Microsecond Pitfalls When Comparing Times in Tests

🆕 Nikhil published an article about Top 20 Most Famous Companies' Websites Built with Ruby on Rails

How-TOs 📝

📝 Josef Strzibny published a new article about How to use Oh My Zsh to manage your Kamal server and about How to use local Docker registry in Kamal

📝 Jared White published a new article about Buckle Up, There’s a New Gem Server in Town: gem.coop

📝 Victor Cobos published a new article about Improving Turbo Frame UX with the busy Attribute

📝 David Copeland published a new article about Building a Sub-command Ruby CLI with just OptionParser

📝 Ilya N. Zykin published a tutorial about how to use Rails Start with Makefile

📝 Ryan Bigg published a new article about Hanami for Rails Developers: Part 3: Forms

📝 William Kennedy published a new article about Debugging Hotwire Native - Understanding Hotwire Native

📝 Rails Designer published a new article about Create a Kanban board with Rails and Hotwire