Short Ruby Newsletter - edition 151

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

🚀 Sam Ruby launched navigator - Lightweight web server for multi-tenant applications with on-demand process management, regional routing, and Vector integration

Check for example: Use Case 1: Multi-Tenant and Monorepos

🚀 Gustavo Valenzuela prelaunched DevvMe - Showcase, Connect, and Grow as a Developer

🚀Omar Rashad launched a newsletter Decoded Rails:

📅 Events

📆 Irina Nazarova announced that for a couple of days SF Ruby Conference will offer lower price tickets at $350 with coupon code SEP29OCT6 . This looks like an amazing conference to participate so if you can don’t miss it. It will be legendary! Discounted tickets are available until today 6 October (included).

📅 Thoughtbot announced a new event → throughtbot OPEN SUMMIT

📅 Pascal Laliberté announced a new edition of Hotwire Office Hours happening October 6-10

📅 Visuality announced a new meetup on 13 October. Book your place here → PLRUG Warsaw Meetup @ Behind The Code – October Edition

📅 African Ruby Community announced a new event → Ruby Saturdays: From Rails to Ruby: Building Something Fun Without Rails

👉 All about Code and Ruby

👉 Ruby Association started the Call For Grant Proposals 2025

👉️ Hanami announced a new release → Hanami 2.3 beta1

You should check Andrea Fomera new repository → hanami-omakase - “A curated set of defaults for Hanami.rb“

👉 Gelsey Torres wrote an article about Rails and Ruby Compatibility in 2025: Which Setups Will Be Unsupported After October 1st?

👉 André Arko launched a new gem server Gem.coop:

It seems the new server is supported by a new organisation The Gem Cooperative (read about the Gem Cooperative at Announcing The Gem Cooperative at Martin Emde)

👉 Charles Oliver Nutter announced that JRuby 10 officially supports Java 25

️👉 Marco Roth shared his enthusiasm about what he will build in next version of Herb:

💻 Code Samples

️️️💻 Samuel Williams shared a code sample of Falcon and Async:

💻 Ryan Strickler shared a helpful trick for lazy loading with a turbo frame

️💻 Emmanuel Hayford shared a code sample with a new feature from PostgreSQL 18

️💻 Ruby Cademy shared how to see your notes directly in the browser

️Jake Moffatt replied with an option to see these notes in a prettier way by using → celina-lopez/prettytodo

️💻 Emmanuel Hayford shared a new config option introduced in Rails

💻 Lucian Ghinda posted an interesting thread entitled “When you run a Ruby file who’s already there“, with an explicit focus on why the inspect says “main“. To get all the insights, read the full version of it on X

️💻 Ruby Cademy shared about defining locales in Rails using Ruby files instead of YAML:

️💻 Lucian Ghinda shared how to create a new Rails app with Rails 8.1.0.beta1

📐 Thinking about Code Design

️📐 Zeke Gabrielse shared that the transition from the Rails 7 to Rails 8 is the easiest major version upgrade in Rails history

️📐 Nate Berkopec illustrated the importance of the jemalloc in production Ruby systems

️📐 Gavin Morrice shared his perspective on common request-related keywords in code

️📐 Yaroslav Shmarov shared how he implemented vector search in a Rails app. For more details, you can check the blog version → Ruby AI. Vector (semantic) search with embeddings

️📐 Igor Alexandrov made a post about data migration

️Rob Zolkos replied with:

️📐 Greg Molnar shared some security tips for Rails apps

️John Athayde replied with a script bin/ci setup that will run variuos checks.

️📐 Lekë Mula shared his commitment to making RSpec work seamlessly with LSP tools, driven by frustration with its DSL limitations

️📐 Steve M. shared a quick Rails 8 tip

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

💡 Nate Berkopec shared his perspective on Ruby Central's approach to monetizing open source control

💡 Jean Boussier shared his take on a potential path forward after Ruby Central situation

💡 Jason Swett asked the community about what aspects of Ruby and Rails are underdocumented

The community replied:

💡 Greg Molnar created a new Ruby Discover Server

❤️ Why Choose Ruby and Rails

❤️ Christoph shared his experience repeatedly re-implementing Rails “create_or_find_by” in other frameworks

❤️ u/andreiantonescu published on Reddit a post about choosing Rails:

🧰 Gems, Libraries, Tools and Updates

🆕 New Gems and Repos

🆕 Andrea Fomera announced a new repository → hanami-omakase - “A curated set of defaults for Hanami.rb“

🆕 Vitaly Slobodin announced a new gem → gem-why - “A RubyGems plugin that shows which installed gems depend on a specific gem.“

🆕 Emmanuel Hayford announced a new gem → railserd - “An Interactive web-based ERD generator for Ruby on Rails.“

🆕 Giovanni Panasiti announced a new gem → sqlite_dashboard - “SQLite Dashboard is a Rails engine that gives you a beautiful web interface for browsing and querying SQLite databases.“

🧰 Updates

🧰 Akira Matsuda announced a new version of haml-rails - “Haml-rails provides Haml generators for Rails 5, 6, 7, and 8“

🧰 Greg Molnar shared that Rails 8.1 onward, won’t generate any system tests by default. For more details check this PR → Don't generate system tests by default

🧰 Jeremy Evans announced a new version of sequel - “The Database Toolkit for Ruby“

🧰 Jeremy Evans announced a new version of autoforme - “Web Administrative Console for Roda/Sinatra/Rails and Sequel::Model“

🤝 Related (but not Ruby-specific)

🤝 Nick Schwaderer published his first writing in a while called: “A Claude Commands and Hooks Primer - Building a Memory and Personality System for Claude Code“

🤝 Sung Kim shared new OpenAI and Stripe product launches

🤝 Tobi Lutke shared the new Shopify feature

🤝 Jason Swett made a post about “data-driven“ decisions

🤝 Simon Willison reflected on GitHub's shift away from being a prime example against unnecessary SPAs

More content: 📚 🗞 🎧 🎥 ✍🏾

🗞 Newsletters

🗞 This Week in Rails published a new edition → Virtual columns, real bugfixes

🗞 Ruby Weekly published a new edition → The Ruby Association wants your grant proposals

🗞 Andrey Eremin published a new edition → Static Ruby Monthly | Issue 9, September 2025

🗞 Women On Rails Newsletter published a new edition → Newsletter WoR #66: a sad month for the Ruby and Rails community

🗞 Matt Solt published a new edition → Ruby AI News - October 3rd, 2025

🗞 Awesome Ruby Newsletter published a new edition → Issue 489 - On DHH’s “As I Remember London”

🎧 Podcasts

🎧 Reinteractive published a new podcast episode → Technology for Humans: Scott Werner

🎧️ Tuple published a new podcast episode → How 37signals handles communication, meetings, and setting work boundaries with Rosa Gutiérrez

🎧 Neciu Dan published a new podcast episode → Rails at Scale with Adrian Marin founder of AVO

🎧 Justin Searls published a new podcast episode → v44.0.1 - José Valim: It's a time for builders

🎧 The Ruby Gems Podcast published a new episode → Rails World: Amanda Perino

🎧 The Bike Shed published a new episode → 476: Green Flags for Code

🎧 Remote Ruby published a new episode → Blastoff Rails with Travis Dockter

🎧 Tropical.Rb will publish a podcast episode on October 10 → Episode 01

🎥 Videos

🎥 Guillaume Briday published a new video about From Local to Global: Making Rails apps resilient - Lyon.rb - 09/2025

🎥 RubyKaigi published some videos from RubyKaigi 2010 - > [27S03] Rubygems, Bundler, and the future / Carl Lerche (Engine Yard) and [28M02] Keynote / Matz and there are more on their channel.

🎥 Carolina Code Conference published a new video → Using Kamal 2.0 in production

🎥 Dave Kimura published a new video about Omarchy

✍🏾 Articles

What’s new 🆕

🆕 Sam Ruby published a new blog post entitled Re-Retired

🆕 Ruby Central published a new article about Our Stewardship: Where We Are, What’s Changing and How We’ll Engage and about Weekly Update — Friday, October 3

🆕 Gelsey Torres published a new article about Rails and Ruby Compatibility in 2025: Which Setups Will Be Unsupported After October 1st?

🆕 Sid Krishnan published a new article about How does Turbo listen for Turbo Streams?

🆕 Piotr Jurewicz published a new article about Rails 8 upgrade story: duplicate keys sneaking into our JSON responses

🆕 Alexandre Ruban published a new article about How to Read Code from the Showcase Ruby on Rails Engine

🆕 Jose Farias published a new article about Code Can Be Context-Aware

🆕 Joel Drapper published a new article about The RubyGems takeover from the perspective of an open-source maintainer

🆕 Felipe Vogel published a new article about A catalog of coding challenges

🆕 Jared White published a new article about Little Content Tricks for Your Bridgetown Website

🆕 Brooke Kuhlmann published a new article about Hanami Containers

🆕 Roman Samoilov published a new article about Impractical Ruby Optimisations

🆕 Yatish Mehta published a new article about September SF Ruby Meetup at Binti

🆕 Ryan Bigg published a new article about Hanami for Rails Developers: Part 1: Models

How-TOs 📝

📝 Daniela Baron published a new article about Switching From Ruby to SQL Schema in Rails

📝 Josef Strzibny published a new article about Handling wildcard TLS for domain names using Kamal and Caddy | Deploy Linux Blog

📝 Alexey Solilin published a new article about Async Modal on Rails with Native Dialog Element - Turbo

📝 Vitalii Elenhaupt published a new article about Building real-time chat with Hotwire

📝 David Morales published a new article about Sinatra Tutorial: Building a To-Do Application

📝 Harrison Broadbent published a new article about Run RSpec specs in parallel (with the parallel_rspec gem)

📝 Radan Skoric published a new article about How to elegantly update other UI when a Turbo Frame is updated

📝 Brad Gessler published a new article about Supermail mailto links

📝 Rails Designer published a new article about Visual loading states for Turbo Frames
with CSS only

Related ✍️

André Arko published a new article about jj part 2: commands & revsets