TSKaigi 2026
Overview
Japan's largest TypeScript conference, organized by the TSKaigi Association. The 2026 edition, themed "Learn, Connect, Break the Mold (Type)," ran for two days at Bellesalle Haneda Airport with about 1,000 on-site and roughly 2,000 total attendees including online. Microsoft's Jake Bailey keynoted on TypeScript 7.
Foundation
- Founded
- 2024
- Founder
- Volunteers from Japan's TypeScript community established the TSKaigi Association and held the first edition at Nakano Central Park in 2024
Born from the absence of a large-scale conference dedicated to TypeScript in Japan, as "an event for everyone working with TypeScript."
Transition
- 2024 中野セントラルパークで初開催、参加登録2,400名の盛況
- 2024 地方版のTSKaigi Kansaiを開催
- 2025 ベルサール神田に会場を移し初の2日間開催、地方版TSKaigi Hokurikuも実施
- 2026 ベルサール羽田空港で開催、現地約1,000名規模に拡大。次回は11月に仙台開催を予告
Voices
The event design for sparking interaction was impressive, like NFC tags in the swag for exchanging contacts.
A wide range of sessions, from the latest TypeScript developments to combining TypeScript with AI-driven development.
Many sponsor companies report strong results from booth interactions and hiring touchpoints.
Staffed a booth while catching talks, taking home practical type techniques like branded types (from Seki's report, in Japanese)
Open space discussions with engineers from other companies even sparked a new meetup (from Mazacchi's report, in Japanese)
Engineers from every Inc. highlighted Microsoft's keynote on porting TypeScript 7 to Go and a session framing type design around business models, as lessons on types in the AI era (from every Tech Blog's report, in Japanese)
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