Vapor has undergone a large number of significant changes over the last few years. The introduction of Swift Concurrency, Sendable and rewriting the internals to use new async foundations have all posed big problems as we've had to migrate and adapt without breaking anything, continuing to ship and keeping our API stable! In this talk we'll go through some war stories of these migrations and learn some practical steps that you can use in your codebase to make big changes without grinding to a halt or breaking everything. This talk is applicable to all Swift developers, whether writing libraries, iOS applications or even server apps! Speaker: Tim Condon try! Swift Tokyo Conference 2024 - try! Swift Tokyo is back! Developers from all over the world gather for tips and tricks and the latest case studies of development using Swift. Developers from all over the world will gather here. Swift and to showcase our Swift knowledge and skills, and to collaborate with each other, The event will be held for three days from March 22 - 24, 2024! Channel: https://www.youtube.com/@trySwiftConference X: https://twitter.com/tryswiftconf WebSite: https://tryswift.jp