In the previous post, we started covering some parser optimizations. There’s just a handful more to cover until we reached what’s the state of the currently released version of ruby/json.

Optimized top-N-per-group Active Record associations using lateral joins - bensheldon/activerecord-has_some_of_many

In my previous article, we explored deploying Rails 8 applications using Docker and Kamal. ...

I want to use the devcontainer info, but I don't want to use VSCode. This commit adds a small script that reads the devcontainer JSON file and runs docker commands based on the information ...

Hi, it’s Greg. Let’s explore this week’s changes in the Rails codebase. Eliminate queries loading dumped model schema on Postgres This pull request improves resiliency by avoiding the need to open a database connection to load the type map, while defining…

Learn debugging techniques and why the all-or-nothing principle makes these errors critical (part 3 of 10)

Hi, Wojtek here presenting you this week’s changes in the Rails codebase. Clio joins the Rails Foundation We’re excited to welcome Clio as the newest Contributing Member of the Rails Foundation. Support joins in update_all for Postgresql and SQlite Previously…

Can we have a faster FFI for CRuby? Yes.

Hey, zzak here. Last week was a short one, so we took the week off, let’s catch up. Heads up: the Rails World CFP will open on March 11th. The 2025 landing page is currently being built, but if you are going to submit a talk, keep an eye on: rubyonrails.org/world/…

## Signature comments

I want to write a post about Pitchfork, explaining where it comes from, why it is like it is, and how I see its future. But before I can get to that, I think I need to share my mental model on a few things, in this case, Ractors.

After six months of hard work, I’m thrilled to announce the general availability of Sidekiq 8.0! 🥳🎉
Status Sidekiq is used by thousands of Ruby applications around the world to scale job processing up to billions of jobs/day. Current Sidekiq Enterprise customers…

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.