Jun Yokoyama https://speakerdeck.com/nysalor 2026-06-21 05:20:07 -0400 long long way to rails ugrade Railsアップグレードへの長い道のり Railsアップグレードへの長い道のり Sun, 21 Jun 2026 00:00:00 -0400 https://speakerdeck.com/nysalor/long-long-way-to-rails-ugrade https://speakerdeck.com/nysalor/long-long-way-to-rails-ugrade