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Main Takeaways From Matz's RubyConf 2019 Keynote — We linked to the keynote video last week, but appreciate not everyone enjoys watching videos.. here’s some written impressions instead.

What’s New in Ruby 2.7? — There’s a lot coming in 2.7 (due on Christmas Day), including controversial features like pattern matching, numbered parameters, and keyword argument changes. Also, this will be the last point release before 3.0 a year from now.

Getting Started with Svelte and Rails 6 — If you are that person that likes to jump on the newer JavaScript frameworks, here you go.

9 Industries Where Flagship Companies Choose Ruby on Rails — The list of industries is impressive, as are the companies within. Another arrow in the “Rails ain’t dead” quiver.

Rails 6.0 New Framework Defaults: What They Do and How to Safely Uncomment Them — When you run rails app:update on a Rails 5.2 app, it creates a file with 9 new default configuration settings. Here’s what they do and how you should use them.

Why RSpec Tests Fail (and How To Fix Them) — A variety of examples of where your tests could fail (time, callbacks, randomness, etc.) and thoughts on troubleshooting such issues.

Behind-the-Scenes of 'Geared Pagination' in Rails — A dive inside the geared_pagination gem which was written by DHH. The idea of geared pagination is that the number of records shown is based on a ratio to the page number.

Emoji Driven Development in Ruby — This is more for amusement than for your production code(!) But, yes, you can use emojis in your Ruby code.

Active Storage File Upload Behind The Scenes — Active Storage is a framework, now built into Rails 6, that makes it easy to upload, process and reference files within your apps.

How to Correct 32,000 Incorrect CSV Files in Fewer Than 32,000 Steps — We’ve all faced a data processing task from hell and CSV loves to throw up complexities around escaping and stray commas. Here’s how one Rubyist dealt with it, and came up with the comma_splice gem to help.

Magic Comments in Ruby — You’ve likely seen (and even used) ‘magic’ comments, but you probably don’t know all of them or understand things like precedence.

Disassembling Rails: How Does ActionText Deal with File Uploads? — ActionText is a new rich text editing component (based upon Trix) introduced in Rails 6, and this post explains the way it handles uploaded files.

Runbook: A Ruby DSL for Gradual System Automation — PayPal-owned Braintree uses this to automate their deployment preflight checklists, on-call playbooks, system maintenance operations, and more. And now, you can too. A neat idea.

Goodbye ActiveRecord! — Hello ROM! Aircall broke their Rails monolith into service using Rails, Sinatra, and ROM. Here’s why they chose ROM over ActiveRecord.

A Look at Node.js for Rails Lovers — If you’re from a Ruby background and haven’t even played with Node.js, this will help paint a little of the picture.

Scaling Your Ruby Service Objects with LightService — The light-service gem implements the Railway (or, some might say, Interactor) pattern.

How to Setup Ruby Object Mapper (ROM) for a Standalone Project — A look at setting ROM alone, without any web framework, covering migrations, testing, commands, and relations.

First Impressions of Ruby 2.7's Pattern Matching — Enjoy this ‘sneak peek’ at what pattern matching looks like in the forthcoming Ruby 2.7. It’s essentially an extension to case using in instead of when.