Exploring Ruby Ractors true concurrency for fun and discovering the impressive performance gains YJIT offers.

How to configure Kamal and avoid common deployment pitfalls

Discover effective techniques used in the Rails Dockerfile for slimming images, improving build times, and enhancing performance. Perfect for developers looking to optimize their Docker setup in Rails projects.

Since its release last month, Sidekiq 8.0 has been very smooth with few reported issues. I’ve been quite happy with the rollout and wanted to provide a little more context about the changes. My goals for any user-friendly, high quality software is to reduce…

Detect non-atomic interactions within DB transactions - palkan/isolator

Hi, it’s Vipul. Let’s explore this week’s changes in the Rails codebase. Last Week for Rails World 2025 Call for Papers This is the last week for The CFP for Rails World 2025! Submit your talk until April 10th. Add must-understand directive according to RFC…

Learn how to seamlessly integrate online presence tracking into a Rails application powered by Hotwire and AnyCable.

Hi, it’s zzak. Hopefully everyone got their Rails World CFPs in on time! Let’s explore this week’s changes in the Rails codebase. Allow allocated Active Records to lookup associations Previously, the association cache isn’t setup on allocated record objects…

When can an implementation-first approach to documentation be preferred over documentation-first? Find the answer, and see how to do it with an existing application by leveraging some tools in some unexpected ways (including Martian ones!) Plus, AI-assisted…

Active Record strict loading is an awesome feature in Rails that can significantly improve your application’s performance by preventing N+1 queries. In the past days before Rails 6.1, We mainly used bullet gem to statically scan this. But now, It can be explicit…

Hi, it’s Greg. Let’s explore this week’s changes in the Rails codebase. Action Cable: Allow setting nil as subscription connection identifier for Redis If you use Google Cloud Memorystore or another platform that blocks the command CLIENT SETNAME in Redis…

Ruby on Rails developers often use Sidekiq for background processing, but complex workflows can push its limits. Learn how Temporal, a workflow orchestration engine designed for durable, stateful execution, can be a powerful alternative for complex tasks.

I've had gripes with Sidekiq because of which I switched to RabbitMQ. Here are my thoughts and experiences after a year of using it in production.

I got...

Hi, it’s Claudio Baccigalupo. Let’s explore this week’s changes in the Rails codebase. Add –reset option to bin/setup Makes it easier to zero out a database and load seeds during development. Add assert_in_body/assert_not_in_body Lets test checking a response…

How Sorbet and RBS can work together to elevate your Ruby development experience

Hi, Wojtek here. Let’s see what’s new in the Rails. Rails World tickets coming soon We’ve been informed that General Admission tickets will be available May 13. More information is coming soon, but you can already mark your calendar! Implement ability to…

Learn how to build a multistep form with Rails and the Wicked gem to improve your users' onboarding experience

Last week we had an AI hackathon at work during which we added an MCP server to our Rails app. This was much easier than I expected, the result was both...

Hi, it’s Vipul!. Let’s explore this week’s changes in the Rails codebase. New Guides Pull Request for review A new guides Pull Request is up, which updates the Rails Application Template Guide and also merges it with Rails Generators Guide. If you are well…