RubyKaigi Schedule.select

09:00

10:00

11:00

12:00

13:00

14:00

15:00

16:00

17:00

18:00

09:30 - 10:30

Japanese・Large Hall

The Journey of Box Building

Satoshi Tagomori @tagomoris

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Friends

10:50 - 11:20

Japanese・Large Hall

Funicular: A Browser App Framework Powered by PicoRuby.WASM

Hitoshi HASUMI @hasumikin

English・Sub Arena

When Can You Skip a Test? Tracking Test Impact

Andrey Marchenko @anmarchenko

Japanese・Small Hall

Back to the roots of date

ODA Hirohito @jimlock

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Friends

11:30 - 12:00

English・Large Hall

Liberating Ruby's Parser from Lexer Hacks

Yudai Takada @ydah_

English・Sub Arena

Million-Agent Ruby: Ractor-Local GC in the Age of AI

Justin Bowen @TonsOfFun

Japanese・Small Hall

Portable and Fast - How to implement a parallel test runner

Tsutomu Katsube @tikkss

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Friends

13:30 - 14:00

Japanese・Large Hall

Exploring RuboCop with MCP

Koichi ITO @koic

English・Sub Arena

ext/profile, or How to Make Profilers Tell the Truth

Daisuke Aritomo @osyoyu

Japanese・Small Hall

mruby on C#: From VM Implementation to Game Scripting

hadashiA @hadashiA

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Friends

14:10 - 14:40

English・Large Hall

Ruby’s Scheduler: Improving I/O

Luke Gruber @luke-gruber

English・Sub Arena

mruby in the 8-bit world: mruby VM for Zilog Z80

Yuji Yokoo @yujiyokoo

Japanese・Small Hall

Rapid Start: Faster Internet Connections, with Ruby's Help

Kazuho Oku @kazuho

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Friends

14:50 - 15:20

Japanese・Large Hall

Kingdom of the Machine: The Tale of Operators and Commands

Yuichiro Kaneko @spikeolaf

English・Sub Arena

From Live Code to Sound: Building a Ruby Live Coding Engine

Yuya Fujiwara @asonas

Japanese・Small Hall

PicoRuby as a Multi-VM Operating System

Katsuhiko Kageyama @kishima

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Friends

16:00 - 16:30

English・Large Hall

The design and implementation of ZJIT & the next five years

Max Bernstein @tekknolagi

English・Sub Arena

TutorialKit.rb: interactive Ruby gem docs powered by Wasm

Albert Pazderin @Bakaface

Japanese・Small Hall

Guide to getting started walking source codes of CRuby

Yoh Osaki @youchan

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Friends

16:40 - 17:10

Japanese・Large Hall

Digits, Digits, and Digits

tomoya ishida @tompng

English・Sub Arena

Faster Bundler, Happier Developers

Edouard Chin @Edouard-chin

Japanese・Small Hall

Building a Standalone Ruby Programming Environment

Shunsuke Michii @harukasan

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Friends

17:20 - 18:20

English & Japanese・Large Hall

Lightning Talks

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Friends

09:00

10:00

11:00

12:00

13:00

14:00

15:00

16:00

17:00

09:30 - 10:30

English・Large Hall

JRuby: Tomorrow's Ruby Today

Charles Nutter @headius

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Friends

10:50 - 11:20

English・Large Hall

The AST Galaxy to the Virtual Machine Blues

Koichi Sasada @ko1

English・Sub Arena

No Types Needed, Just Callable Method Check

Daichi Kamiyama @_dak2_

Japanese・Small Hall

Keeping Ruby Running on Cygwin

Daisuke Fujimura @fd0

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Friends

11:30 - 12:00

English・Large Hall

Building the Next-Generation Garbage Collector in Ruby

Peter Zhu @peterzhu2118

English・Sub Arena

Uzumibi: Reinventing mruby for the Edges

Uchio KONDO @udzura

Japanese・Small Hall

Programming with DJ Controller

Masatoshi SEKI @m_seki

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Friends

13:30 - 14:00

English・Large Hall

Require Hooks: Filling the Gap in Ruby's Extensibility

Vladimir Dementyev @palkan_tula

English・Sub Arena

Surviving Black Friday: 100 billion requests with Falcon!

Samuel Williams @ioquatix

Marc-André Cournoyer @marc-andré_cournoyer_

Josh Teeter @josh_teeter

Japanese・Small Hall

Pure Intonation on Browser: Building a Sequencer with Ruby

nagachika @nagachika

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Friends

14:10 - 14:40

Japanese・Large Hall

A Faster FFI

Aaron Patterson @tenderlove

English・Sub Arena

Making the RBS Parser Faster

Soutaro Matsumoto @soutaro

Japanese・Small Hall

PicoRuby with Practical MQTT

Ryosuke Uchida @ryosk7

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Friends

14:50 - 15:20

English・Large Hall

Implementing Core Set

Jeremy Evans @jeremyevans0

English・Sub Arena

From C to Ruby: Porting Doom

Chris Hasiński @khasinski

Japanese・Small Hall

ruby.wasm also enables JavaScript to call Ruby libraries.

Shigeru Nakajima @ledsun

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Friends

16:00 - 16:30

English・Large Hall

Thread-Coordinated Ractors: The Pattern That Delivers

Maciej Mensfeld @maciejmensfeld

English・Sub Arena

Building a Modern Ruby <-> C++ Toolchain

Charlie Savage @cfis

Japanese・Small Hall

Chasing Real-Time Observability for CRuby

Shintaro Otsuka @White_Green2525

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Friends

16:40 - 17:10

Japanese・Large Hall

Practical TypeProf: Lessons from Analyzing Optcarrot

Yusuke Endoh @mametter

English・Sub Arena

Whose Memory is it Anyway

Jacob Denbeaux @jacob-shops

Japanese・Small Hall

From Formal Specification to Property Based Test

Masato Ohba @ohbarye

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Friends

17:20 - 17:50

English・Large Hall

The future of Ruby documentation

Stan Lo @_st0012

English・Sub Arena

Invariants in my own Ruby: some things must never change

monochrome (Soichiro Isshiki) @s_isshiki1969

Japanese・Small Hall

Integration of PRK Firmware and R2P2

Hayao Kimura @hachiblog

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Friends

09:00

10:00

11:00

12:00

13:00

14:00

15:00

16:00

17:00

09:20 - 10:30

English & Japanese・Large Hall

Ruby Committers and the World

CRuby Committers @rubylangorg

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Friends

10:50 - 11:20

Japanese・Large Hall

The Less-Told Story of Socket Timeouts

Misaki Shioi @coe401_

English・Sub Arena

Autoresearching Ruby Performance with LLMs

Nate Berkopec @nateberkopec

Japanese・Small Hall

Native Multi-Core Support in mruby/c: Enhancing Performance

Kazuaki Tanaka @kaz0505

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Friends

11:30 - 12:00

English・Large Hall

A Write Barrier Validating GC for Ruby

John Hawthorn @jhawthorn

English・Sub Arena

Writing DSL for DSL: Catch Code as It’s Born with TracePoint

Andrey Nᴏᴠɪᴋᴏᴠ @Envek

Japanese・Small Hall

Pure Ruby Apache Arrow reader/writer

Sutou Kouhei @ktou

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Friends

13:30 - 14:00

Japanese・Large Hall

(Re)make Regexp in Ruby: Democratizing internals for the JIT

Hiroya Fujinami @makenowjust

English・Sub Arena

From Ruby 2 to 4: Updating a C extension for a Modern VM

Ivo Anjo @KnuX

Japanese・Small Hall

Smalruby: Visualizing Ruby with Bidirectional Transpiration

Kouji Takao @takaokouji

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Friends

14:10 - 14:40

Japanese・Large Hall

Ruby Releases Ruby

Hiroshi SHIBATA @hsbt

English・Sub Arena

HTML-Aware ERB: The Path to Reactive Rendering

Marco Roth @marcoroth

Japanese・Small Hall

Ruby on NES - how to make a smallest ruby ever

Yutaka HARA @yhara

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Friends

14:50 - 15:20

English・Large Hall

Making Hash Parallel, Thread-Safe and Fast!

Benoit Daloze @eregontp

English・Sub Arena

Blazing-fast Code Indexing for Smarter Ruby Tools

Alexandre Terrasa @Morriar

Japanese・Small Hall

PicoRuby for IoT: Connecting to the Cloud with MQTT

Yuhei Okazaki @Y_uuu

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Friends

16:00 - 16:30

English・Large Hall

Lightning-Fast Method Calls with Ruby 4.1 ZJIT

Takashi Kokubun @k0kubun

English・Sub Arena

Ruby the Hard Way: Writing Bytecode to Optimize Plain Ruby

Samuel Giddins @segiddins

Japanese・Small Hall

Good Enough Types: Heuristic Type Inference for Ruby

Sangyong Sim @riseshia

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Friends

16:40 - 17:40

Japanese・Large Hall

Matz Keynote

Yukihiro "Matz" Matsumoto @yukihiro_matz

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Friends