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It seems like your question got cut off. However, based on the context provided, I can share some information about the sessions mentioned in the retrieved context.

Sessions Mentioned

1. Migrate your app to Swift 6

   • Chapters:
     • Introduction
     • The Coffee Tracker app
     • Review the refactor from WWDC21
     • Swift 6 and data-race safety
     • Swift 6 migration in practice
     • The strategy
     • Adopting concurrency features
     • Enabling complete checking in the watch extension
     • Shared mutable state in global variables
     • Shared mutable state in global instances and functions
     • Delegate callbacks and concurrency
     • Guaranteeing data-race safety with code you don’t maintain
     • Enabling the Swift 6 language mode in the watch extension
     • Moving on to CoffeeKit
     • Enabling complete checking in CoffeeKit
     • Common patterns and an incremental strategy
     • Global variables in CoffeeKit
     • Sending an array between actors
     • What if you can’t mark something as Sendable?
     • Enabling the Swift 6 language mode in CoffeeKit
     • Adding a new feature with guaranteed data-race safety
     • Wrap up and the Swift 6 migration guide

2. Demystify SwiftUI containers

   • Chapters:
     • Introduction
     • Composition
     • Sections
     • Customization
     • Next steps

3. A Swift Tour: Explore Swift’s features and design

   • Chapters:
     • Introduction
     • Agenda
     • The example
     • Value types
     • Errors and optionals
     • Code organization
     • Classes
     • Protocols
     • Concurrency
     • Extensibility
     • Wrap up

If you have a specific question or need information on a particular topic or session, please let me know!