RubyKaigi 2018 has ended, but the excitement is still fresh. After 25 hours in planes, trains, buses, and cabs we’re finally home. I guess it’s a good time to summarize and review 4 days on the best Ruby conference in the world. Castle.io support First of all, I would like to express special thanks to Castle.io for backing me up, providing me possibility to go to RubyKaigi and for their ongoing Ka