Register here for RubyKaigi 2025!

• Our official website is at https://rubykaigi.org/2025
• Latest news are available on our official Twitter account: @rubykaigi and Mastodon: https://ruby.social/@rubykaigi
• Please review our Anti Harassment & Accessibility Policy .

Social Events

The official party is sold separately (we're planning now). Other events will be posted on the official website as they become available.

Lunch options

We encourage you to go restaurants around Matsuyama city.

As a last resort option, limited number of bento boxes will be available onsite.

Childcare

Our nursery sponsor, STORES, is providing childcare program for all attendees. Register from the page below:

• https://forms.gle/FAZrSSjeqyTV3rb27

Refund Policy

All sales are final and no refunds will be offered to participants who cancel. You can transfer your ticket to someone else at your own responsibility.

Discount Options

Ruby Committers

Ruby core team members are invited to RubyKaigi 2025. Please follow the instruction that we sent to ruby-core mailing list.

Speakers

RubyKaigi 2025 speakers will get free admission to RubyKaigi 2025. Please follow the instruction that we sent to you.

Sponsors

Our sponsorship package includes invitation tickets; Invitation tickets are available at our sponsorship portal, so check there or ask your colleague who has access.

As of January 2025, all sponsorship applications are not finalized. For attendees in such sponsors; especially Ruby and Platinum sponsors, wait until Februrary 2025 for finalization of your sponsorship and number of invitations, and instruction.

Note: Registrations made with invitation discount code may be shared with your admins (who has access to sponsorship portal).

Students

Register with [Student] ticket. If possible, use your school-issued email address when register.

All attendees with a [Student] ticket must bring your student ID or any proof of your academic status to the reception.

Other information

RubyKaigi 2025 is an in-person only conference

RubyKaigi 2025 will not offer remote attendance option and live streams. But as usual, we will record all sessions and will upload them to YouTube after the conference.

Receipts

You can retrieve receipts from order confirmation email. Our receipts are issued from Nihon Ruby-no-kai (一般社団法人日本Rubyの会) and are a qualified invoice for Japanese Consumption Tax (適格請求書).

Who are we

https://rubykaigi.org/2025/about

Any Questions?

Feel free to contact us at 2025@rubykaigi.org!