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Ruby 3.3.1 (and More) Released — Due to the discovery of an arbitrary memory address read vulnerability when user-supplied data is provided to Ruby’s regex compiler, releases of all maintained Ruby lines are out including 3.3.1, 3.2.4, 3.1.5, and 3.0.7. (This is also the final 3.0 release as 3.0 is now EOL.)

DHH: Rails 8 is Going to be a 'Leap Forward' in Deployment Ease — Kamal 2, auto-configuring SSL via Let’s Encrypt, single host multi app support, HTTP/2 support through Thruster, and more are all promised along with “Heroku-like ergonomics” wherever you choose to deploy your apps.

▶  Hacking on YJIT: A Livestream — Aaron ‘tenderlove’ Patterson and Maxime Chevalier-Boisvert are both prolific Ruby contributors, so if you have the time, it’s great to see them chat and code.

Fly.io ❤️ Kamal — Sam Ruby is researching changes for the Rails 8 Agile Web Development with Rails book and the forthcoming updates to Kamal and other deployment improvements are high on his list.

Meta's New Llama 3 AI Chat Sucks at Ruby? — While dogpiling on big tech is fun, Justin saves us the time to evaluate Meta’s offering by asking it three questions and comparing the answers to GPT4. (Spoiler: GPT: 3, Meta: nil)

Pressure Kills Cognition: Budgets Shrink, But Scope Doesn’t 😱 — Been told to do more with less? Talk to Test Double about how to deliver with fewer people without losing quality.

Preventing Timing-Based Enumeration Attacks with authenticate_by — While Rails 7.1’s authenticate_by doesn’t guarantee a constant time for authentication, the timing for valid vs invalid states is much less obvious.

TurboConfirm 2.0: Upgrade data-turbo-confirm to Support Custom Dialogs — If you’re building a modern Rails 7.1 app, this upgrades Turbo’s data-turbo-confirm feature with custom dialog support and the ability to customize things further. v2.0 brings more examples to the README, native <dialog> support, and the ability to invoke it directly from app code.

Groq-Ruby: A Ruby Client for a Super Fast LLM Platform — Groq is an interesting AI platform that uses its own custom hardware to run models at atypically high speeds. If you want to get Llama or Mixtral output at hundreds of tokens per second, it’s worth a try, and Dr Nic’s library makes it easy. (Groq has OpenAI API compatibility so you can...

JSON::Stream 1.0: Streaming JSON Parser — A JSON parser built around a state machine that generates events for each state change in a memory efficient way – a bit like a classic XML SAX parser.

Memetria: Secure, Scalable Redis Hosting — High performance Redis hosting with large key tracking, detailed metrics, and a superior uptime record.

A Reintroduction to Ruby's Heredocs — If you think you know everything you need to know about heredocs (essentially a syntax for multi-line strings), this article might throw up some surprises.

How I Read the Rails Source Code — How do you start reading the code for a codebase the size (and age) of Rails? Grab the debug gem (Rails includes it) and use Bundler to start your coding journey. You can use a similar approach for running all (or some) of Rails’ tests, too.

Need to Pay Down Tech Debt on a Budget? Let’s Talk 🚀 — Too many vulnerabilities? Too much tech debt slowing you down? FastRuby.io’s maintenance services start at $2,000/month.

▶  Implementing One Time Payments with Pay and Stripe — Pay is a gem that implements a payments engine for Rails and you can quite quickly integrate it with Stripe to get one-time payments in your apps. (39 minutes.)

Making a (Sidekiq) Batch Recipe — If you have multiple jobs that can run concurrently, but you need to bring their individual outputs together, you can batch them and listen for callbacks, provided you’re a Sidekiq Pro user.

sqlite3-ruby 2.0: The Popular Ruby SQLite Driver — As implied by the version number, this is a major release and, notably, drops support for Ruby 2.7. Native gems are now shipped for 11 platforms, newly including an array of Musl-based Linux ones. It now runs SQLite 3.45.3 and there are numerous smaller improvements.

Gemfast: A Drop-in Replacement for Geminabox — A new self-hosted Rubygems server written in Go, so it can be compiled down a single file and easily deployed on multiple operating systems. You can mirror and cache gems from the main RubyGems registry, as well as serve up your own internal gems, of course.

APM Deployment That Isn’t Painful and Is Free - Try Scout Monitoring — Renaissance developers, rejoice. One gem, five minutes to performance insights. No DevOps team required.

validates_email_format_of: Validate Email Addresses Against RFC 2822 and RFC 3696 — “This gem is the O.G. email validation gem for Rails.” It can now validate email addresses using internationalized domain names too.

CrystalRuby: Embed Crystal Code Directly in Ruby — Crystal is a Ruby inspired programming language that boasts a lot of great features and is well worth a try IMHO. One benefit is performance, and this gem lets you write Crystal code, inlined in Ruby, giving you a potential performance boost without a huge shift in syntax. New and YMMV!

🇯🇵  Matz on Static vs Dynamic Typing — This article is in Japanese, so get your browser’s translation feature ready. It’s a transcript of thoughts by Ruby’s creator (in a talk given in 2022) on the pros and cons of static and dynamic typing, and why Ruby hasn’t adopted type declarations so far (complexity and potential bad feelings in the broader Ruby community).

Using Lambdas and Callables for Deferred Evaluation, Control Flow, and New Language Patterns — When might you write a block vs a “stabby lambda?” Procs and blocks and lambdas (oh my!) are fantastic and while Ruby has conventions and patterns to follow, there’s a lot you can do with the basics, as Jared shows here.

Abstract Methods and NotImplementedError — Learn what the NotImplementedError exception is actually for and some other approaches for handling situations where abstract classes don’t provide methods meant to be implemented in their subclasses.