Short Ruby Newsletter - edition 146

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Table of Contents

• 🚀 Launches and discounts

• 📅 Events

• 👉 All about Code and Ruby

• 🧰 Gems, Libraries, Tools and Updates

• 🤝 Related (but not Ruby-specific)

• More content: 📚 🗞 🎧 🎥 ✍🏾

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🚀 Launches and discounts

🚀 Andrea Fomera launched FileKeep

📅 Events

📅 Friendly.rb is close so I wrote 3 articles about why you should join this conference:

• The Lineup

• The participants

• The Venue

📅 Euruko is looking for a Master of Ceremonies. Hurry up and apply by August 21st → FORM: Help us make Euruko unforgettable — as our MC!

📅 Kaigi On Rails announced that tickets are now available for sale. Hurry up and get yourself one → Kaigi On Rails 2025 Tickets

📅 Yasuo Honda shared he will a presentation at RailsTokyo 2025, which will happen on October 16th. Tickets are available here → Connpass RailsTokyo 2025 Tickets

👉 All about Code and Ruby

👉 RubyOnRails released new versions: 7.1.5.2, 7.2.2.2 and 8.0.2.1

💻 Code Samples

️️💻 Ruby Cademy posted a code sample about new Rails 8 addition → “attribute_writer_missing“

️💻 Nate Berkopec shared how to check if you’re running jemalloc with Ruby correctly

️💻 Dima Fatko shared that Rails will have a new optimization for enqueue many emails at once. For more details, check his PR → Add “deliver_all_later” to enqueue multiple emails at once

️💻 Victor Cobos shared a trick from turbo_power → turbo_stream.toggle_css_class supports force:

️💻 Julian Kaiser shared a code sample about using RubyLLM

️💻 Stephen Margheim three different Stimulus controllers for deterministic avatar image generators. You can check them from here:

• shape

• face blob

• initials

️💻 Matheus Richard reminded us about ActiveRecord.to_param

️💻 James Kerr shared his new script creation → View Component Generator Script

️💻 John Nunemaker shared a code sample about the usage of .clamp method

️💻 Brandon Weaver shared a code sample about Ruby Pattern Matching

️💻 Alexandre Ruban shared a code sample about ActiveStorage::Blob

️💻 Jens Eickmeyer shared how to configure Ruby LSP extension to debug Rails applications and RSpect tests in VS Code

️💻 Ruby Cademy shared a code sample about the usage of clamp() method

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📐 Thinking about Code Design

️📐️ Jeremy Smith shared a new perspective about top-level namespaces

️📐 Robby Russell shared his take on internal tooling. For more details, consider taking a look at his blog post → The Internal Tooling Maturity Ladder

️📐 Maciej Mensfeld shared an improvement added to Rails by Jean Boussier, emphasizing the power of a clever refactoring

️📐 Noel Rappin asked his community about configuration best practices

He got some replies:

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

💡 Nicolas Erlichman announced that he will present “Poly-table Inheritance“ at Friendly.rb next month. He is interested to see how many of you are familiar with some concepts. For that he made a short questionnaire → Poly-table Inheritance

💡 Alex Rudall proudly announced that his gem, ruby-openai was recently selected for the Github Secure Source Fund

💡 Robby Russell asked about what is important for the community to know about developer experience, pointing to next month talk at Rails World

💡 Typecraft announced a future live workshop that will expand on topics from his Rails New series

❤️ Why Choose Ruby and Rails

❤️Here are two comments about why people should choose Ruby and Ruby on Rails from this discussion on Reddit

🧰 Gems, Libraries, Tools and Updates

🆕 New Gems and Repos

🆕 Samad Ahmed announced a new gem → ruby-categorize-transactions - “A practical real-world example of categorizing transactions with AI using Ruby“

🆕 Abdelkader Boudih announced a new gem → rails_lens - “Comprehensive Rails application visualization and annotation tool - precision optics for the Rails universe“

🆕 Brad Gessler made server source available

🆕 Scott Werner announced two new gems:

• vsm - “VSM is a tiny, idiomatic Ruby runtime for building agentic systems with a clear spine: Operations, Coordination, Intelligence, Governance, and Identity.“

• airb - “CLI-based programming agent for Ruby with VSM architecture“

🆕 Igor Kasyanchuk announced a new gem rspec_power - "A collection of helpers and contexts to enhance Rails specs: logging, env/I18n/time helpers, SQL guards, request/DB dumps, benchmarking, CI guards, and performance limits."

🧰 Updates

🧰 Alex Rudall announced a new version of ruby-openai - “OpenAI API + Ruby! 🤖❤️ GPT-5 & Realtime WebRTC compatible!“

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

🧰 Svyatoslav Kryukov announced an update for Inertia Rails ecosystem. You can check these starter kits right from here → vue-starter-kit & svelte-starter-kit

🧰 Carmine Paolino announced a new version of ruby_llm - “Stop juggling AI SDKs! RubyLLM offers one delightful Ruby interface for OpenAI, Anthropic, Gemini, Bedrock, OpenRouter, DeepSeek, Ollama & compatible APIs. Chat, Vision, Audio, PDF, Images, Embeddings, Tools, Streaming & Rails integration.“

🧰 Jean Boussier contributed with an update to Rails → Allow to use either :unprocessable_entity or :unprocessable_content

🧰 Ben Roesch announced a new version of raif - “Ruby AI Framework“

🧰 Denis Sellu announced a new gem brave_search - "Simple Ruby client for Brave Search API with Rails integration"

🤝 Related (but not Ruby-specific)

🤝 Jonathan Frias shared about how to expose local development via internet:

🤝 Typecraft shared that his mini-course about Vim is free → Vim for Beginners: Your First Steps

🤝 Joey Wang shared a nice git trick to have multiple GitHub accounts

🤝 Claude shared a new feature for Claude Code → output styles

🤝 Startup Archive shared some explanations from Shopify CEO Tobi Lutke about Goodhart’s law and why he doesn’t like KPIs or OKRs

More content: 📚 🗞 🎧 🎥 ✍🏾

🗞 Newsletters

🗞 Ruby On Rails published a new edition → Structured Event Reporting lands in Rails!

🗞 Token Ruby published a new edition → Token Ruby: First Principles of AI and Claude Code Hot Takes

🗞 Awesome Ruby Newsletter published a new article about Issue 482 - Mouthguards that flash red with head impacts to be used at Rugby World Cup

🎧 Podcasts

🎧 Ruby On Rails published a new podcast episode → Ryan Stawarz & Austin Story: Inside Doximity’s 15-Year Rails Monolith

🎧 Brendan Buckingham published a new podcast episode → Rails Business - Irina Nazarova

🎧 The Ruby Gems Podcast published a podcast episode → Sarah Mei: RailsBridge, Community Building, and the Human Side of Code

🎧 The Bikeshed published a new episode → 469: How are we using AI? with Jimmy Thigpen

🎧 The Ruby AI Podcast published a new episode → Roasting Ruby AI Workflows with Obie Fernandez

🎧 Pablo Curell published a new episode → 19 - On metrics with Rachel and Thierry

🎧 Remote Ruby published a new episode → The Road To Rails 8

🎥 Videos

🎥 Drifting Ruby published a new video → Tailwind Plus

🎥 Travis Dockter published a new video → Interview: Cirdes Henrique (Organizer)

✍🏾 Articles

What’s new 🆕

🆕 Jean Boussier published a new article about Unlocking Ractors: generic instance variables

🆕 Mintbit published a new article about Chaining Transformations with .then in Ruby

🆕 Josef Šimánek published a new article about We Ruby March 2025 Ecosystem Report

🆕 George Asfour published a new article about Circuit breakers and Ruby in 2025: don't break your launch

🆕 Jared Norman published a new article about Undervalued: The Most Useful Design Pattern

🆕 Robert published a new article about The RAG pattern in 32 lines of Ruby code

🆕 Andres Chacon published a new article about OasGrape: An Alternative for Generating Your API Documentation

How-TOs 📝

📝 Jens Eickmeyer published a new article about How to Debug Rails Applications and Tests in VS Code

📝 Avo published a new article about Referral System in Rails applications

📝 Saurabh Puri published a new article about Containerization Made Simple: Dockerize Your Rails App Today

📝 Julian Rubisch published a new article about Extend ActiveStorage for Ruby on Rails with Custom Previewers

📝 Daniel Schoppmann published a new article about Organizing Mailer Templates with prepend_view_path in Rails

📝 Rails Designer published a new article about String Inflectors: bring a bit of Rails into JavaScript

Related ✍️

✍️ Jeremy Kreutzbender published a new article about Server Implementation Plan For Rocicorp's Zero - Custom Mutators

✍️ Zeke Gabrielse published a new article about Self-sabotage

✍️ Conrad Irwin published a new article about Why LLMs Can't Really Build Software

✍️ Rich Steinmetz published a new article about [4/4] Code with LLMs in parallel