A free weekly e-mail round-up of Ruby news and articles.

Member-only story

Ruby

Ruby On Rails

Ruby On Rails Development

Programming

Rails

Ruby Weekly Issue 158

This Week In I/O

3 min readDec 21, 2025

Welcome to the 158th issue of Ruby Weekly, your free weekly round-up of Ruby news, tutorials, and tools.

📚 Articles & Tutorials

What's new in Ruby 4.0

Nithin Bekal's blog about programming - Ruby, Rails, Vim, Elixir.

nithinbekal.com

How to choose the right admin gem for your Rails application

The list of best admin panels for Ruby on Rails

businessclasskit.com

Why are exec and run so confusing?

Originally posted on the Spinel blog. While working on rv, there's a specific question that has come up over and over…

andre.arko.net

Add snow to your app with Stimulus

Let's build a fun snow effect for your Rails app using a single Stimulus controller.

railsdesigner.com

Written by This Week In I/O

1.1K followers

56 following

Keeping designers and developers informed.

Published in Ruby Weekly

91 followers

Last published Dec 29, 2025

A free weekly e-mail round-up of Ruby news and articles.

No responses yet

More from This Week In I/O and Ruby Weekly

Golang Weekly

This Week In I/O

Mar 31, 2024

Golang Weekly Issue 123

Welcome to the 123rd issue of Golang Weekly, a weekly newsletter about the Go programming language.

Ruby Weekly

This Week In I/O

Dec 29, 2025

Ruby Weekly Is Moving to Substack

Ruby Weekly is transitioning to a new home. Starting with the next issue, all future editions will be published on Substack, where readers…

Ruby Weekly

This Week In I/O

Dec 9, 2025

Ruby Weekly Issue 157

Welcome to the 157th issue of Ruby Weekly, a free weekly e-mail round-up of Ruby news and articles.

Golang Weekly

This Week In I/O

Dec 29, 2025

Golang Weekly Is Moving to Substack

After careful consideration and community feedback, Golang Weekly is moving from Medium to Substack. Starting with the next issue, all…

See all from This Week In I/O

See all from Ruby Weekly

Recommended from Medium

What really happens when you run JavaScript? from a single line to a giant app

JavaScript in Plain English

Sujan Miah

6d ago

What really happens when you run JavaScript? from a single line to a giant app

Why does this print A D C B? And why does a 10,000-row dashboard freeze while a login page feels instant? The answer is the same.

Programmer’s Career

Wesley Wei

3d ago

A 15-Year-Old Wrote Code to Watch His DVDs on Linux. America Banned It and Norway Tried Him Twice

Hollywood's chief could not say one nickel was lost to it, and the free VLC player still does the same job

Designing a Scalable Webhook Delivery System for 10 Million Events per Day

Level Up Coding

Urfan Hamzayev

Aug 3

Designing a Scalable Webhook Delivery System for 10 Million Events per Day

How to build a reliable, fault-tolerant, and scalable webhook infrastructure from scratch.

Finding the Real Method: Rails, source_location, and prepend

Abdo Amin

May 25

Finding the Real Method: Rails, source_location, and prepend

When you’re new to Rails, one of the trickiest skills to pick up isn’t writing code — it’s finding the code that actually runs. You’d think…

Building passkeys in Ruby on Rails from scratch

Paul Ardeleanu’s Blog

Paul Ardeleanu

Jul 4

Building passkeys in Ruby on Rails from scratch

Turning the passkey ceremonies into working code, with a small gem that packages everything needed.

Shamila

May 26

Metaprogramming in Ruby on Rails

Metaprogramming is the technique of writing code that can generate or modify other code at runtime.

See more recommendations

Help

Status

About

Careers

Press

Blog

Store

Privacy

Rules

Terms

Text to speech