📜 News

🤝 OSS Gate 10th Anniversary Conference Support

🆙 Training: Feedback Feature Added

📖 Supporting the Launch of a Private "Tech Book Library"

🎓 Early Release of Rails 8 Compatible Web Text

☯️ Sponsoring Coolest Projects Japan 2026

🗣️ Speaking at RailsTokyo#3

🤝 Community Support: OSS Gate

🆕 Introducing Rubree, a Regular Expression Editor

📕 Rails Guides Now Supports Rails 8.1

🚧️ Maintenance Notice for Rails Guides Improvements

🚧️ Maintenance Notice for Rails Tutorial Improvements

🤝 Supporting Programming Ruby 5th Edition

☯️ Sponsoring DojoCon Japan 2025

🗣 Speaking at "How Engineers Learn in the Age of Generative AI"

🎓 Sponsoring JPHACKS 2025 with Learning Support

💎 Sponsoring the 2025 Ruby Programming Contest for Junior and Senior High School Students

🤖 AI Support Comes to the Pro Plan

🔍 Employee Training: Added Answer Filtering Feature

📖 "The Rails Textbook" Rails 8 Edition Released

🛤️ Adopted as reference material for the Rails Certification Exam!

🆕 Pro Plan is now available with Sponsorship Plans!

🤝 Rails Tutorial Adopted by Fukuoka Tech

Rails: A personal experience story of earning 1 million euros/year with a 'One-Person Framework' (Translation)

🎥 Dialogue: Our First TRICK Submission (Honorable Mention)

🎓 If you get stuck while learning with Codespaces

🛤 Rails 8: A "Framework One Person Can Handle," Greatly Enhanced by SQLite (Translation)

💞 Sponsorship Plan Case Study: Prairie Card

🛤️ Joining Rails Night as a Guest!

📕 Rails Guides updated for Rails 8.0.1

🤝 Sponsoring the Ricopia Christmas Party @ Tokyo

🎓 Sponsoring Ryukyufrogs with Learning Support

📕 Rails Guides now support Rails 8.0

🎤 Interview Recording: "From Studying Abroad to Founding a Company"

💎 Speaking at RubyWorld Conference 2024

🎓 Sponsoring JPHACKS 2024 with Learning Support

📕 Rails Guides now supports Rails 7.2

💞 Sponsor Plan Case Study: Toranoana Lab

🎁 I received the AWS Award prize!

💞 Sponsor Plan Case Study: GA technologies

💞 Sponsorship Plan Case Study: note

🤝 Sponsoring the Ricopia Meetup @ Tokyo!

🤖 AI Support Now Supports GPT-4o

💎 Lightning Talk at After RubyKaigi 2024

🏝 RubyKaigi 2024 Output Roundup

🎓 Bulletin paper published by Osaka Metropolitan University

🆙 From Rails Guides to Upgrade Case Studies

🎥 Interview Video: Future Trends of Rails

📊 Ruby on Rails Job Market Data in Japan and Abroad

💎 Sponsoring Shinjuku.rb, Shinjuku × Ruby!

💞 Sponsor Plan Case Study: Ezowin

🏆 16th FUKUOKA Ruby Award AWS Prize

🆙 Rails Guides Now Supports Rails 7.1.3

🎓 Featured as Reference Material for the Rails Certification Exam

🏕 The 5th Sonic Garden Camp is Now Open

💎 RubyWorld Conference 2023 Presentation Videos

💎 Speaking at the Fukuoka Ruby Festa Eve

🎓 Talk: "Generative AI Use Cases in Universities" @ Osaka Metropolitan University 2nd Education Reform Forum

🆕 Added IRB type features to Codespaces

📖 New Content in the Reading Guide Vol.5

🎥 Dialogue: Product Development with AI

📖 New Content in the Reading Guide Vol.4

📕 Rails Guides updated for Rails 7.1

💎 Sovereign Tech Fund (STF) Supports Ruby Central's Open Source Work (Translation)

💻 Web Text now supports Codespaces

💎 Speaking at RubyWorld Conference 2023

💞 Sponsor Plan 2-Week Course Case Study: Timee

💡 Tips for Asking AI Good Questions Published

☯️ Sponsoring DojoCon Japan 2023

💎 Sponsoring the 2023 Ruby Programming Contest with Learning Support

💞 Sponsor Plan 2-Week Course Case Study: Ezowin

🎓 Case Study: Joint Online Training for Shimane

💞 A "2-Week Course" Joins the Sponsor Plan

🔔 Efficient Learning with Employee Training × AI Support

🗺️ 2023 Study Guide Released

🆙 All versions are now viewable without login

📖 New Content in the Reading Guide Vol.3

🆕 An Optional "Annual Course" Added to the Sponsor Plan

🏕 The 4th Sonic Garden Camp is Now Open

💻 Free & Online! Ezo Camp 2023 Held

💎 RubyKaigi 2023 - "Kaigi is back!"

📚 Rubyist Book Authors Stamp Rally

💻 "JavaScript Edition" has been released

🎓 Added code copy functionality

🗣️ Speaking at ChatGPT Meetup Tokyo

📕 Major update to the Asset Pipeline Guide

🎁 AI Support Feature Now Available for Trial

💻 Codespaces Support! No More Environment Setup Required

🎓 Make learning easier with the 'AI Support Feature'

🗺 New Content: Learning by Building a Map App

💞 Sponsor Plan Case Study: Money Forward

🎥 Easy Video Production for Rubyists

📖 Introducing New Content in the Reading Guide Vol. 2

🏆 15th FUKUOKA Ruby Award Winner

💞 Sponsor Plan Case Study: Verk

💎 Speaking & Streaming at Fukuoka Rubyist Kaigi 03

🔐 Privacy Policy Update Notice (December 2022)

💞 Sponsorship Plan Case Study: Coincheck

💻 Text Editor Edition: Now Supporting VSCode

🎞 Limited-time campaign benefits for the tutorial videos

💞 Sponsor Plan Case Study: YOUTRUST

💞 Sponsor Plan Case Study: SonicGarden

🎥 Video: Course Design to Achieve the Top Ranking Across All Departments

🏕 The 3rd SonicGarden Camp Held

🎥 Video: Why I Recommend the Rails 7 Compatible Version

📖 Updated 'Rails Textbook' to Rails 7 version

🗣 Speaking at iCARE Dev Meetup

💎 RubyWorld Conference 2022 Experience Report

🎓 Rails 7 compatible Web text released!

💞 Sponsorship Plan Case Study: SmartHR

📕 Rails Guides 'Sponsorship Plan' Released

☯️ Sponsored DojoCon Japan 2022

💎 Speaking at RubyWorld Conference 2022

🐳 Let's try developing using devcontainer

📝 Making it easier to suggest edits with the GitHub Edit button

⛩ We have updated the OSS Gate introductory video

💎 Video: RubyKaigi 2022 Participation Report

🎥 Interview: Career Change via Self-Study + Vocational Training from Scratch

💎 Sponsoring the 2022 Ruby Programming Contest with Learning Support

🗣 Speaking at Remote Work Tech Talk #1

🔍 Rails Guides now supports exclusion search

🏕 The 2nd SonicGarden Camp Held

🏪 Explanatory videos now support convenience store payments

🔐 Privacy Policy Update Notice (April 2022)

💎 Video: Website Creation with Jekyll × GitHub

🧐 Rails Archaeology: Learning about Rails in 2008

📕 Rails Guides are now available for purchase at Tatsujin Shuppan

🎓 Web Text Purchase Perk: Training

🏢 Interview Article by CASE Shinjuku

📖 Introducing New Content in the Reading Guide Vol. 1

📝 Training feature now available for individuals

💎 Talk: Behind the Scenes of a Rails Guides Release

📕 Rails Guides Now Supports Rails 7.0

🌐 Learn How to Auto-Deploy to AWS

📕 Zeitwerk Migration Guide Released!

💎 Speaking at RubyWorld Conference

🏫 Training Support Service Adopted: Classi

🎓 Corporate Case Study: SonicGarden

💎 Talk: "Learning Static Site Generators with Ruby"

🎤 Interview Video Summary: "Learners Today"

🎓 GMO Pepabo Training × Rails Tutorial

✏️ Employee Training × Training Integration Added

🎨 Released "CSS & Design Edition"

🔐 Learning Security from Mr. Tokumaru

🎓 Speaking at Rails Tutorial x Remote Learning

💎 Kaigi on Rails Talk: The "Now" of Learners

🛤 Speaking at the Kaigi on Rails Pre-Event

📕 Rails API Links Now Match the Same Version

🆕 Beta version of the JavaScript course released

🔤 The "Mincho Font Button" Has Moved

🎥 Dialogue: Our Service Featured in the Media

🎥 Conversation: Programming Learning and Study Time

🤝 Partnering with Techpit to create learning materials for course graduates

🎥 Easily watch tutorial videos for free

💎 Sponsoring the Ruby Programming Contest with Learning Support

🆙 Released Revised Edition of the Learning Guide

🎥 Resume playback for tutorial videos is now the default

📕 Clearer Summaries When Sharing Links

🎓 Providing Materials to U-17 "MITOU Junior"

🔰 Basic content is now available for individual purchase

🎤 Interview Article "The Shape of Founding a Company" Published

🎓 Beta Version of New CSS Content Released

✏️ "Training" now supports one set per chapter

🎥 Dialogue Video: The Appeal of Ruby/Rails (Part 2)

🎥 Dialogue Video: The Appeal of Ruby/Rails (Part 1)

📑 You can now open the table of contents from the sidebar!

📕 Released Rails 6.1 compatible e-book

🎥 "Efficient Ways to Learn Rails" Video Released

🔔 Get the Latest Updates via the Notification Feature

📕 "Getting Started with Rails" Renewed

🤝 Kindai University Adopts Rails Tutorial

📕 Added Webpacker page to Rails Guides

🧑‍🏫 Judging the editch vol.3 Joint School Contest

🔤 Advance Notice of a Font Change

✏️ Perfect for training! "Training" is now available

📄 "Working in Europe, Studying in the US" Featured in an Article

🆙 E-book version has been renewed

🗣 D-Biz Share Interview Article Published

🔰 Released 'HTML Course'

📊 By the Numbers! Trends Among Ruby/Rails Learners

🎥 Dialogue: Building a Web Service in 3 Months

🧑‍🏫 I will be a judge for the joint programming school contest editch

🏆 FUKUOKA Ruby Award Winner

📕 Dark Mode Added to the Guides Paid Plan

🗣 Presenting learner trends at Ginza Rails

📖 Let's prepare/review with the Rails Textbook

🗺 Ruby and Rails Learning Guide Released

💎 The Story Behind Developing the Rails Tutorial

🎓 Related Video Links Added to the Web Text

📕 Rails 6.1 Release Notes Published

📕 Easier-to-Use Table of Contents on Narrow Screens

🔰 Pre-registration for Web Basics is now open

🎓 Highlights of the tutorial videos, summarized

🔰 A Message for First-Time Visitors

☯️ Sponsored DojoCon Japan 2020

❤️ Speaking at a Rails Girls Online Event

☯️ 2020 coderdojo.jp Development Retrospective

📖 Updating the Rails Guide E-book Edition

🎞 Useful content on your My Page

🎓 Web Text Purchase Bonus: Ruby Explanation Video

🔔 Making new notifications easier to understand

🗣 Speaking at RubyWorld Conference 2020

🏫 Lecture on Remote Work at enPiT

📩 Partial Change to Production Email Sending

🗺 A Companion for Your Rails Tutorial Journey

🎓 A clear overview of product development

📹 Celebrating 100% Progress on the Tutorial Videos

🎓 Helping users achieve their goals quickly

📑 Navigate to your favorite chapters from My Page

🎨 Making exercises easier to identify with design

📺 Examples of Products Beginners Build in 6 Months

✅ Let's resolve errors on the help page

📺 DIVE INTO CODE and Live Streaming

🔰 Introducing Progress Tweets to the Beginner Series

🔔 Catch the latest info with the notification feature

🤝 Gifu University Adopts Rails Tutorial

🔍 Search is now available from the coderdojo.jp header

🎨 To the content you want to read from My Page

🤝 Beginner Series Added to the Partner Plan

🔰 Table of Contents Added to the Beginner Series

🔰 New Content: "Development Basics Set" Released

🎓 Corporate Case Study: Money Forward

🎓 Corporate Case Study: Members Career

📕 Rails Guides 'Pro Plan' now supports simultaneous logins

👨‍🏫 Judging a Joint Programming School Contest

🎥 Video Released: 'The Path from Doctor to Engineer'

🗣 Speaking at CODE-RAVE vol.2 Online

🎤 Dialogue: "The Path from Doctor to Engineer"

🔰 Launching the Beginner Series

🗺 Easier Access to the "Kata" Page from the Header

🤝 Sponsoring Scratch Day Shinshu as a Company

⚡️ Contributed Remote Work Insights to Engineer Hub

📺 Appearing on the "MITOU × Study Abroad Online Roundtable"

🎥 A Sample of Our Explainer Videos Released

📺 Appearing on ITeens Lab's Live Stream

🤝 Hachinohe Institute of Technology Adopts Rails Tutorial

🎓 Employee Training: TOPSIC Team Success Story

👤→👥 Creating teams from personal accounts is now easier

⏰ Shortening Working Hours by One Hour

📊 Improving the aggregation method for coderdojo.jp

📕 Rails Guides Table of Contents Now Supports Highlighting

📺 Video "From Learning English to Presenting Abroad" Released

📕 The Rails Guide table of contents is now easier to view

📕 The Rails Guide code is now easier to read

🎓 The Rails Tutorial Table of Contents Is Now Compact

🎁 Increased Trial Limit for Web Text Purchasers

🗺 Navigation Added to coderdojo.jp

🎨 Rails Tutorial Design Improvement Examples

📺 Video Released: "Working in Europe, Learning in the US, Connecting in Japan"

🆙 Rails Tutorial 6th Edition now supports Rails 6.0.3

📖 Rails Tutorial eBook Published by Tatsu-zine

🎓 Images in the Rails Tutorial Are Now Easier to See

👥 Supporting Employees with Training Support Services

🎨 The post-purchase screen is now easier to understand

🎥 Added a video trial benefit for Web text purchasers

📺 I will be appearing on the Mitou Junior live stream

🤝 Rails Tutorial Adopted by "RUNTEQ," a Job-Focused Programming School

🎓 Tips for Team Learning with the Rails Tutorial

🗣 Speaking at "Exploring IT Engineer Careers" Vol.4

🎓 Rails Tutorial Footnotes Are Now Even Handier

📖 Web Text now supports team-based purchasing

🎓 What You Learn with the Rails Tutorial and Computer Science

🎓 University of Tsukuba Adopts the 6th Edition Rails Tutorial

🎓 Rails Tutorial Translation Notes Now Support Mouse Hover

🎥 Remote Work × Team Development Case Released on YouTube

🎨 Case Study of Continuous Design Improvement with the mgn Team

🗣 Speaking at "Exploring IT Engineer Careers" Vol.3

📖 Released the 6th Edition of the Rails Tutorial "Web Text Version"

💖 Approved for GitHub Sponsors for Organizations

🎥 The tutorial video list screen is now even easier to use

📖 Sales of the 6th Edition Rails Tutorial E-book Have Started

🎓 Rails Tutorial Corporate Plan Now Supports Per-User Billing

🎓 Active Rubyists Answer Questions Online! ShareWis × Rails Tutorial Partnership

📅 Making it easier to find upcoming online CoderDojo events.

🎁 Web Text Bonus Added for Purchasers of the 4th Edition Rails Tutorial Video (Up to Chapter 3)

📕 Rails Guides Eligible for Carbon Ads for Open Source

📹 "How to Navigate the Rails Tutorial" Released on YouTube

🗣 Presented on Team Development at University of Tsukuba enPiT

🚀 Release of the 6th Edition of the Rails Tutorial Video Series (Rails 6 Support)

🗣 Talking About Remote Work × Team Development

🗣 Talking about Remote Work and Technical Skills

🎥 Highlights of the Rails Tutorial Explanation Video (Chapter 11)

🎥 Highlights of the Rails Tutorial Explanation Video (Chapter 10)

🗾 Releasing the number of CoderDojos by region from coderdojo.jp

📊 Released Tag Distribution from coderdojo.jp

🎓 Rails Tutorial 6th Edition Now Available for Corporate Use

🚀 remotework.jp has been released, making it easier to reach international engineers

🎥 Progress bar added to tutorial videos

🎥 Highlights of the Rails Tutorial Explanation Video (Chapter 9)

🎧 Recommendation for Krisp, which can reduce ambient noise in remote meetings

🗣 Speaking at CODE-RAVE vol.2

🎥 Highlights of the Rails Tutorial Screencast (Chapter 8)

🎥 Highlights of the Rails Tutorial Screencast (Chapter 7)

🎓 Thumbnail Images Added to the Screencasts

🎥 Highlights of the Rails Tutorial Screencast (Chapter 6)

🎥 Highlights of the Rails Tutorial Explanation Video (Chapter 5)

📕 Rails Guides now supports searching past versions

☯️ 2019 CoderDojo Statistics Release

🎥 Highlights of the Rails Tutorial Screencast (Chapter 4)

🎥 Highlights of the Rails Tutorial Screencast (Chapter 3)

📕 You can now view past versions with the Rails Guides 'Pro Plan'!

🎓 The Rails Tutorial Header Design Has Changed

💎 Talk on the coderdojo.jp Development Case at RubyWorld Conference 2019

🎓 Tweet Your Progress from the Rails Tutorial Screencasts

☯️ 2019 coderdojo.jp Development Highlights

🎓 Resume Playback and Progress Tracking Now Available for Rails Tutorial Explainer Videos

📕 Rails Guides "Pro Plan" Trial No Longer Needs a Credit Card

💎 Guest at DIVE INTO CODE's DEMODAY 7th

🎓 Major improvements to the Rails Tutorial video viewing screen

🎓 "TechTra" Added to the Rails Tutorial Learning Plans

📒 YassLab Has Started a note Blog

🚀 Sponsored NASA's Global Hackathon 🤝

💎 Accepted to Speak at RubyWorld Conference 2019

☯️ Migrated the DojoPaaS Internal System

☯️ Sponsored DojoCon Japan 2019

🎓 Rails Tutorial (6.0) Now a Seminar Attendance Perk

🎓 Improved the Rails Tutorial Corporate Plan Dashboard

🚧️ Maintenance Notice for Rails Tutorial Improvements

🤝 Kobe Nilquebe Becomes a Rails Tutorial Partner

📕 Rails Guides eBook (6.0) Now on Sale

🎓 Registration Opens for the Rails Tutorial Intensive Seminar

☯️ Joining a Programming Event in Okinawa

📕 The Rails Guides Logo Is Now in Japanese

💎 Serving as a Judge at DEMODAY 7th 2019 -autumn-

🤝 Signed a Rails Tutorial License Agreement with TechTraining

🏝️ Sponsored Rails Girls Okinawa 2nd

📕 Free Trial Now Available on the Rails Guides Pro Plan

🎓 Improved Page Navigation in the Rails Tutorial

📕 Rails Guides now supports Rails 6

⛰ MITOU Junior Publishes "Guidelines When in Trouble"

☯️ Presenting the coderdojo.jp Development Case at Osaka RubyKaigi 02

📕 You can now view a list of search results in Rails Guides

🎓 University of the Ryukyus Adopts Rails Tutorial for a 3rd Year

🤝 Business Partnership with HAJ Empowerment on Rails Tutorial

🏢 Summary of YassLab's 2nd Fiscal Year

💳 Card Payment for Rails Tutorial Screencasts Is Now Simpler

📭 Added a Feedback Feature to Our Services

🏆 Rails Tutorial Corporate Service Wins an AWS Award

📕 Rails Guides Titles Now Support Twitter Cards

🎓 Highlights of the Rails Tutorial Screencasts

🎖 Our Member Honored by Agileware Inc.

🎓 Learn Rails Tutorial in the Style That Suits You

🏝 Presented a Stripe Rails Development Case in Okinawa

🏫 Rails Tutorial Adopted as Rails 5 Basic Exam Material

📕 Released the Rails Guides "Team Plan"

🏝 How We Run a Fully Remote Ruby Company from Okinawa

🎓 Corporate Service Case Study: Money Forward

🎓 Interview on the Making of the Rails Tutorial Published

🔐 Joined "Intro to Web Security for Rails Engineers"

💎 RubyKaigi 2019 Was a Blast!!

🗣 New-Year Greetings and a Lightning Talk at ESM Agile Division

🎓 Presented the Rails Tutorial's Backstory at Ginza Rails

🎓 Corporate Service Case Study: Members Career

🗣 Presented "We Don't Do Code Reviews" at Rails DM 2019

🗣 Presented a Payments Case at JP_Stripes Connect 2019

📕 Released the Rails Guides "Pro Plan"

💎 After-Party Sponsor of Rails DM 2019

💎 Sponsored RubyKaigi 2019 as a Silver Sponsor

🗣 Talked About Remote Work at megane Fes 2019

🗣 Presented a Remote Work Case at the IPSJ National Convention

🏆 Advanced to the Finals of the Fukuoka Ruby Award

🏝 Gold Sponsor of Hackers Champloo 2019

📕 Updated Ruby on Rails Guides from 5.1 to 5.2

🤝 Takeyu Web Inc. Supports the Rails Guides

🤝 Okinawa CODE BASE Becomes a Rails Tutorial Partner

🤝 Scout APM Becomes a Rails Guides Supporter

🎧 Tried Krisp, a Noise-Cancelling Tool for Ambient Sound

🛠 Migrated DojoCast from Jekyll to Rails

☯️ A Developer's Look at CoderDojo Japan in 2018