FlutterKaigi 2026
Overview
Japan's largest community conference dedicated to Flutter and Dart. The sixth edition since its 2021 debut runs two days in Hamamatsucho under the theme "Assemble." The 2025 edition drew roughly 300 attendees with a keynote, 20 sessions, and 15 lightning talks, cementing its role as the annual gathering of Japan's Flutter community.
Foundation
- Founded
- 2021
- Founder
- Founded in 2021 by a volunteer organizing committee of Japanese Flutter engineers
Born as an annual large-scale conference for sharing Flutter/Dart knowledge and connecting the community as Flutter adoption spread across Japan.
Transition
- 2021 FlutterKaigi初開催（オンライン）
- 2024 有明セントラルタワーホール＆カンファレンスで前夜祭付き2日間開催
- 2025 大手町プレイスで開催。約300人参加、キーノート＋20セッション＋15LT
- 2026 10月29〜30日、浜松町コンベンションホールで開催決定
Voices
I spent the full day across sessions, booths, and the after-party — the warmth of the Flutter community really came through.
The venue buzzed with energy all day, with rich sessions and packed sponsor booths.
An annually stimulating event where cutting-edge topics and real-world case studies convey the community's passion firsthand.
IVRy sent its entire app engineering team, gaining hands-on insights from AI-driven E2E testing to server-driven UI (from shanonim's report, in Japanese)
A Flutter beginner spent two days absorbing practical knowledge on AI and monetization from talks and conversations (from Duo's report, in Japanese)
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