@_byroot

Rails core, Ruby committer, Senior Principal Engineer at Intercom. Bsky: https://xitter.cf/t.co/05cdHJkcO4 Mastodon: @byroot@ruby.social

 Toulouse
github.com/byroot
Joined April 2022
  • Tweets1.4K
  • Following199
  • Followers4.8K
87Media
Jean Boussier retweeted
rubyireland@rubyirelandAug 18
🚂 Ruby Ireland is back! Agents of Concurrency - September 10th at @fin_ai Jean Boussier makes the case for multiprocessing in Rails, while Ryan Sherlock gets into shipping AI agents on Rails - fast, repeatedly, and in production. Thx Fin! RSVP 👇 meetup.com/rubyireland/event…

Agents of Concurrency, Thu, Sep 10, 2026, 6:30 PM | Meetup

It's quite late in the year to be coming out of hibernation but if rarity makes a thing more precious then this event is surely is one heck of a valuable meetup. And indeed

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Jean Boussier retweeted
Hiroshi SHIBATA@hsbtApr 20
I wrote answer letter: github.com/ruby/rubygems/dis…

Proposal: override DSL in Gemfile for managing version constraints · ruby rubygems · Discussion...

Background In the discussion around #9454, reviewers (including @byroot and @Edouard-chin) pointed out that BUNDLE_IGNORE_RUBY_UPPER_BOUNDS and BUNDLE_IGNORE_RUBYGEMS_UPPER_BOUNDS should be express...

github.com
Jean Boussier@_byrootApr 20
I wrote some more as a way to fight jet lag, hopefully it's still readable 😅: byroot.github.io/ruby/bundle…

The Missing Bundler Features

Over the last few months, there has been a lot of talk about making Bundler faster, both by improving it directly, or by reimplementing it in another language, and while it may surprise some, that...

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Honored to be back on stage at #RailsWorld in Amsterdam next week to help guide a conversation with @tenderlove, @_byroot, and @hsbt. Still a few days before I lock in the topics. What questions would you love to hear them answer?
Ruby on Rails
@rails26 Aug 2025
Members of the Rails Core and Ruby committer teams come together for a special session on the #RailsWorld stage next week. @tenderlove, @_byroot, and @hsbt will chat with host @robbyrussell about the future of DevEx in the Ruby and Rails ecosystem, and how foundational tools like RubyGems, Bundler, RDoc, Debug, and ERB can be improved to make the language and framework more welcoming. rubyonrails.org/world/2025/d…
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Jean Boussier retweeted
Peter Zhu@peterzhu21183 Jun 2025
I just published "Implementing Embedded TypedData Objects" about a feature @_byroot and I worked on for Ruby 3.3. A bit late, but better than never. railsatscale.com/2025-06-03-…

Implementing Embedded TypedData Objects

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....

railsatscale.com
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Jean Boussier retweeted
えむ。@takkanm22 Feb 2025
🚀 httpclient gem 2.9.0 is out! 🚀 After 8 years, we're thrilled to release this update thanks to amazing contributors! Huge thanks to @yahonda & @_byroot . 🙏 rubygems.org/gems/httpclient…
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.@_byroot from Rails and Ruby core and senior staff engineer at @ShopifyEng, joined me on @railschangelog to talk everything about tuning performance in Ruby on Rails Apps. This episode is packed. Listen: share.transistor.fm/s/239622…
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Jean Boussier retweeted
k0kubun@k0kubun15 Jan 2025
Ruby 3.3.7 Released ruby-lang.org/en/news/2025/0… This is a routine update that includes minor bug fixes. We recommend upgrading your Ruby version at your earliest convenience.

Ruby 3.3.7 Released | Ruby

Ruby 3.3.7 has been released.

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@eightbitraptor wrote about the new Modular Garbage Collection in Ruby 3.4, how it works and what it means: railsatscale.com/2025-01-08-…

New for Ruby 3.4: Modular Garbage Collection and MMTk

This post describes the new modular garbage collection feature in Ruby 3.4: The ability to override Ruby’s GC at runtime. We also introduce our first concrete alternative GC implementation, based on...

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Jean Boussier retweeted
成瀬
@nalsh25 Dec 2024
We are pleased to announce the release of Ruby 3.4.0. Ruby 3.4 adds `it` block parameter reference, change Prism as default parser, adds Happy Eyeballs Version 2 support to socket library, improves YJIT, adds Modular GC, and so on. ruby-lang.org/en/news/2024/1… Merry Christmas!

Ruby 3.4.0 Released | Ruby

We are pleased to announce the release of Ruby 3.4.0. Ruby 3.4 adds it block parameter reference,changes Prism as default parser, adds Happy Eyeballs Version...

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Everyone looks like an idiot online when they release a security patch. 20/20 hindsight and the fact that most security fixes are less than a 20 line diff means all the haters get to dunk on you for 24 hours.
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Jean Boussier retweeted
_ko1@_ko111 Sep 2024
#rubyfriends
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Jean Boussier retweeted
konpyu
@konpyu28 May 2024
noteもついにRuby3.3カンパニーになったのですが、あらゆるメトリクスが劇的に改善し驚愕。過去のRubyのバージョンアップでここまでドラスティックな変化は記憶にない。3.3は偉大なリリース....! #ruby
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#rubyfriends #asakusarb
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Jean Boussier retweeted
ぷぽ@pupupopo8817 May 2024
Replying to @_byroot
@_byroot にKaigi on Rails 2023のKeynote ありがとうございました！！！と言えてよかった🥰 I’m really glad I got to meet you and thank you in person. #rubykaigi #rubyfriends
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Jean Boussier retweeted
kyontan@sukukyon17 May 2024
met again in Okinawa! @_byroot #rubyfriends
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YJIT was enabled on rubygems.org today and our #rails P95 average latency improved by an eye watering 20%!!! All from a single flip of a switch. Amazing work from everyone at @ShopifyDevs for making #ruby better!! 👏🏻👏🏻👏🏻
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Jean Boussier retweeted
nagachika@nagachika23 Apr 2024
Hello, Rubyists. CRuby new stable versions 3.0.7/3.1.5/3.2.4/3.3.1 are released. ruby-lang.org/en/news/2024/0… ruby-lang.org/en/news/2024/0… ruby-lang.org/en/news/2024/0… ruby-lang.org/en/news/2024/0… And at this release, 3.0 reaches EOL.

Ruby 3.3.1 Released | Ruby

Ruby 3.3.1 has been released.

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Jean Boussier retweeted
kyontan@sukukyon2 Apr 2024
書きました - スタディサプリ最大のRailsアプリケーションにYJIT+pitchforkを導入してメモリ使用量を劇的に削減するまで - スタディサプリ Product Team Blog blog.studysapuri.jp/entry/20…

スタディサプリ最大のRailsアプリケーションにYJIT+pitchforkを導入してメモリ使用量を劇的に削減するまで - スタディサプリ Product Team Blog

こんにちは。SREのkyontanです。Rubyが大好きなのでRubyの話をします。ちなみにリクルートはRubyKaigi 2024へGold Sponsorとして協賛しています! *1。ぜひ沖縄でお会いしましょう。 これはあるアプリケーションのメモリ消費量を示すグラフなのですが、まさかgemを入れ替えるだけでこんなに…

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Jean Boussier retweeted
Euruko@euruko21 Mar 2024
#Ruby committer. #Rails core member. Senior Staff Engineer at @ShopifyEng where he helps lead the effort to both improve and maintain the Rails framework, the Ruby language as well as the whole Ruby ecosystem. Another Ruby hero joins #EuRuKo2024 G.O.A.T. speaker lineup🐐🙌😎
Jean Boussier confirmed speaker - EuRuKo 2024

ALT Jean Boussier confirmed speaker - EuRuKo 2024

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Jean Boussier retweeted
Yukihiro Matz
@yukihiro_matz20 Mar 2024
Link: Implement chilled strings : r/ruby : reddit.com/r/ruby/comments/1… reddit.com/r/ruby/comments/1…

From the ruby community on Reddit: Implement chilled strings

Explore this post and more from the ruby community

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