Object allocations from the garbage collector are now inlined in ZJIT.

Coffee. Flannel. Van City, Eh.

### Impact In its default configuration, a Rails application that displays image variants may allow an unauthenticated attacker to read arbitrary files from the server, including the process envi...

Ruby 4.0.6 has been released.

Ruby 4.0.4 has been released.

For quite a few years the Rails project has been working with the Internet Bug Bounty (IBB). The IBB is an organization that awarded cash to security researchers that reported issues to OSS projects p...

Ref: rails/bootsnap#535 This only impact the app own code, and not dependencies. It is also possible to enable it for gems, but some old ones may still not be ready.

Generate FFI bindings from Rust extensions. Contribute to tenderworks/roost development by creating an account on GitHub.

This aims to allow constant cache accesses inside a singleton CREF to use the same fastpath as most constant caches, without needing to re-check the CREF on every access. class Foo def self.foo1 ...

Redmine

Ruby 4.0.2 has been released.

A quick win that made loading faker-ruby 19% faster.

ZJIT is now available with the release of Ruby 4.0. Here’s an update of our progress.

The official Ruby docs are at https://docs.ruby-lang.org/en/. This documentation (and any documentation built with rdoc 6.15.0 or greater) now can be searched using a query parameter. Check it out! ht...

In two previous posts, I explained that one of the big blockers for Ractors’ viability is that while they’re supposed to run fully in parallel, in many cases, they’d perform worse than a single thread...

How we handle 92 million compilations a year without everything catching fire

We implemented a new feature to TypedData objects in Ruby, called embedded TypedData objects. TypedData objects are used across a wide variety of Ruby types, such as Time, Enumerator, and Method. This...

In a previous post about ractors, I explained why I think it’s really unlikely you’d ever be able to run an entire application inside a ractor, but that they could still be situationally very useful t...

In a previous post about ractors, I explained why I think it’s really unlikely you’d ever be able to run an entire application inside a ractor, but that they could still be situationally very useful t...

A modern profiler for your Rails application. Contribute to joshuay03/dial development by creating an account on GitHub.

Just like in Rust! Contribute to jhawthorn/unsafe development by creating an account on GitHub.

## Overview 概要 On the day before RubyKaigi 2025, which will be the regular meeting day for Asakusa.rb, we will host a Welcome Drinkup as a pre-party for overseas committers and Rubyists attending the...

This is the most significant release in a while. The timer thread should be lighter weight (hopefully without sacrificing too much accuracy), we now record fiber activity, and memory is measured ov...

Hi everyone!