Dec 13 – 15, 2025
Internet Initiative Japan Inc.
Asia/Tokyo timezone

The Quirky Adventures of Typing and Displaying Japanese on Ubuntu & GNOME

Dec 13, 2025, 3:00 PM
30m
Internet Initiative Japan Inc.

Internet Initiative Japan Inc.

Iidabashi Grand Bloom, 2-10-2 Fujimi, Chiyoda-ku, Tokyo 102-0071
30 minutes presentation: IN PERSON Track A

Speaker

Mitsuya Shibata (Ubuntu Japanese Team)

Description

Installing Ubuntu with Japanese language support just like that, Japanese text and input just work right out of the box.

Well... almost.

It doesn't mean everyone, in every application, typing any kind of Japanese will have a smooth ride. If you're using an English keyboard, there's a small ritual dance before Japanese input actually starts working. And sometimes, depending on the app, you get characters that look more like modern art than proper Japanese.

In this talk, I'll showcase common pitfalls that users encounter when trying to type or display Japanese on Ubuntu, by presenting real-life cases that demonstrate both everyday difficulties and unusual quirks.

Category Use of GNOME by Users
Talk Description This talk will highlight quirks and gotchas in Japanese input and display on a GNOME desktop, focusing on Ubuntu 25.10 and GNOME 49. Topics include: * The mysterious world of Japanese characters: fonts, glyphs, and encodings. * Input Methods and the magic trick of turning phonetic kana into kanji. * Why "just displaying Japanese text" isn't always as simple as it sounds. I'll begin with a brief introduction aimed at non-Japanese speakers. This will explain why Japanese input may appear "peculiar" from an outside perspective, while remaining perfectly ordinary for native users. Then, we'll dive into real examples where things fall apart: * Failing to type Japanese properly in the GNOME Files search interface. * File names suddenly breaking into awkward line breaks in unexpected spots. * Garbled characters when extracting zip archives. * Extra setup required before typing Japanese on an English keyboard layout. Depending on time, I might cut some examples or replace them with fresh ones.
Author(s) Bio Mitsuya is a software engineer working in Japan, developing embedded devices and network devices while also contributing to FLOSS development. He is also a member of the Ubuntu Japanese Local Community Team and writes regular columns and articles related to Ubuntu for numerous IT magazines and technical websites.
Pronouns he/him
Twitter and/or Mastodon Handle MurabitoL
Where are you located? Asia/Tokyo
Do you need travel sponsorship from GNOME Foundation in order to join our event? No

Author

Mitsuya Shibata (Ubuntu Japanese Team)

Presentation materials