Short Ruby Newsletter - edition 163

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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

🚀 Marco Roth launched charm-ruby.dev - elegant APIs and glamorous terminal experiences to Ruby developers

🚀 Vladimir Dementyev announced the second version of Layered Design for Ruby on Rails Applications

🚀 Avi Flombaum launched RailsPress - Blog Engine & Entity System for Rails 8

🚀 Marc Köhlbrugge launched rclown - “Friendly web UI for backing up your object storage buckets“

🚀 Simon Chiu launched Checkend - A clean dashboard for error tracking. Self-hosted, source available, forever free. License is O’Sassy at checked

🚀 Marc Köhlbrugge launched Sessy - Email observability for AWS SES

🚀 David Backeus launched lovingruby.com - 365 reasons to love Ruby:

📅 Events

📅 Baltic Ruby extended its CFP for this year’s conference. If you’re interested, register right here → Baltic Ruby 2026

📅 Greg Molnar is organising a workshop about Security in the Age of AI:

📅 Irina Nazarova announced the next SFRuby meetup

📅 Nick Schwaderer announced a new event → Belfast RubyFest 2026

📅 Ruby Kaigi announced one more week to send your CFP at CFPApp

📅 Chetan Patil announced the next Ruby Meetup in Munich on 22nd January. BTW they are also looking for a second speaker:

📆 Andy Croll announced the CFP for Brighton Ruby 2026 is open:

👉 All about Code and Ruby

👉️ Yukihiro Matz announced that the next version of mruby - a lightweight implementation of the Ruby language will be 4.0:

👉️ Rafael França announced a new version of Rails version 8.1.2:

👉 Victor Shepelev shared their amazing Ruby Reference about Ruby 4.0 

👉 Paweł Świątkowski published a new article about Portable mruby binaries with Cosmopolitan

👉 Simon Chiu published a new article about Verifying e2e email sends in Rails using GitHub Actions & Cloudflare Workers

👉 Matheus Richard published a new article about An Introduction to Ruby Parsing with Prism

👉 Jeff Morhous published a new article about Exploring Rails Action Cable with Solid Cable

💻 Code Samples

️💻 ️Ruby On Rails shared a tip on how you can subscribe to transaction events for monitoring or instrumentation

️💻 Moses Gathuku shared a tip about ActiveRecord::Migration#say_with_time

💻 Sebastian Arrieta shared their LazyVim configuration for Ruby on Rails

📐 Thinking about Code Design

️📐 Mario Alberto Chávez shared maquina-app/rails-claude-code: Rails plugins: simplifier, upgrade-assistant, ui-standards

️️📐 Nate Berkopec about the “automatic N+1 solving” libraries for Rails

The script can be accessed here → n_plus_one_where.rb

️📐 Aaron Patterson shared profiler result for running “bundle install” against the Gemfile in RubyGems.org. You can check it directly from here → Firefox Profiler

️📐 Marc Köhlbrugge shared about his journey on building rclown with AI tools

📐 Nate Berkopec shared a code sample about using fnox for secrets management:

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

💡 Jason Swett shared they are looking for podcast guests

💡 Stan Lo started improving the support of Markdown in RDoc:

❤️ Why Choose Ruby and Rails

❤️ Allancoder reflected on how much there is still to learn in Rails, even after five years of daily development

❤️ Nate Berkopec pointed out that Ruby now handles millions of requests per second

❤️ Azilla14 asked on r/ruby about Ruby:

Here are some interesting replies:

🧰 Gems, Libraries, Tools and Updates

🆕 New Gems and Repos

🆕 Jorge Alvarez published a new project minerva: An MCP server to infuse wisdom into your AI agent.

🆕 Kevin Newton published a new gem exreg - A Ruby Regular Expression Engine

🆕 Tyler Ewing published a new gem ductwork - "Ductwork lets you build complex pipelines quickly and easily using intuitive Ruby tooling and a natural DSL."

🆕 Giménez Silva Germán Alberto published a new gem ruby-libgd - "High-performance native Ruby bindings to libgd for image generation, drawing, filters, alpha blending, and transformations."

🧰 Updates

🧰 Avo announced a new release → v3.28.0

🧰 Lucas Carlson updated two old and useful gems:

1. classifier - "A Ruby library for text classification featuring Naive Bayes, LSI (Latent Semantic Indexing), Logistic Regression, and k-Nearest Neighbors classifiers. Includes TF-IDF vectorization, streaming/incremental training, pluggable persistence backends, thread safety, and a native C extension for fast LSI operations."

2. simple-rss - "A simple, flexible, extensible, and liberal RSS and Atom reader for Ruby. It is designed to be backwards compatible with the standard RSS parser, but will never do RSS generation."

🧰 Jorge Manrubia announced a new feature for Lexxy

🧰 André Arko announced a new release for rv - “💎💨 Extremely fast Ruby version and gem manager“. For more details, you can check the blog post for this release → Announcing rv clean-install

🧰 Carmine Paolino announced a new version of ruby_llm

🧰 Jeremy Evans announced a new version of tilt - “Generic interface to multiple Ruby template engines“

🤝 Related (but not Ruby-specific)

🤝 Rob Zolkos shared about learning multiple AI models:

👉 David Heinemeier Hansson made a post about static vs dynamic typing. Here is just a part of the post, you can read it entirely on X

🤝 Jon Yongfook shared how marketing stays the real challenge, regardless of the tech stack

More content: 📚 🗞 🎧 🎥 ✍🏾

🗞 Newsletters

🗞 Matt Solt published a new edition → Ruby AI News - January 7th, 2026

🗞 Ruby Weekly published a new article about Examples of language changes in Ruby 4.0

🎧 Podcasts

🎧 Jason Swett published a huge list of episodes for Code with Jason Podcast → check episodes 288 to 300

🎧 A Junior, A Senior and I published a new podcast episode → 27 - On Ruby (and Rails?) with Lucian and Stan

🎧 The Bike Shed published a new podcast episode → The Playful Portland Programming Paradigm

🎧 The Ruby AI Podcast published a new episode → Real vs. Fake AI with Evan Phoenix

🎧 Rails Business published a new episode → Mateus Pereira

🎧 Errol Schmidt published a new episode → Dashbit - Boosting the Elixir ecosystem

🎥 Videos

🎥 Jeremy Daer, Fernando Olivares and Kimberly Rhodes published a new episode of RRECORDABLES about Moving Mountains of Data off S3

🎥 Dave Kimura published a new episode about Self Hosted App

✍🏾 Articles

What’s new 🆕

🆕 Paweł Świątkowski published a new article about Portable mruby binaries with Cosmopolitan

🆕 Kevin Newton published a new article about A Ruby Regular Expression Engine

🆕 Matheus Richard published a new article about An Introduction to Ruby Parsing with Prism

🆕 Jeff Morhous published a new article about Exploring Rails Action Cable with Solid Cable

🆕 Rachael Wright-Munn published a new article about Check Docker's Ruby version with Github

🆕 Mohit Sindhwani published a new article about RAISE: Evaluating if AI is helping me code

🆕 Sam Ruby published a new article about Rails Apps on V8 Isolates

🆕 Simon Chiu published a new article about 5 Unexpected Ways to Use Rails.app.creds and about Multi-tenant Configuration with Rails.app.creds and about Build a Feature Flag System in 50 Lines with Rails.app.creds

🆕 Scott Watermasysk published a new article about Easy CloudFlare Tunnels With Rails

🆕 DevelClan published a new article about Dependency Inversion Principle

🆕 Joey Wang published a new article about Rails Style Guide: Transactions, Touch, and Async Derived Data and about Transactions, Touches, and Async Rollups in Ruby on Rails

🆕 Simon Chiu published a new article about Verifying e2e email sends in Rails using GitHub Actions & Cloudflare Workers

How-TOs 📝

📝 Rails designer published a new article about Use native dialog with Turbo (and no extra JavaScript)

Related ✍️

Stephen Margheim published a new article about Affordances: The Missing Layer in Frontend Architecture