What is Swift Concurrency

Swift has built-in support for writing asynchronous and parallel code in a structured way.

WWDC

Protect mutable state with Swift actors - WWDC21 - Videos - Apple Developer

Meet async/await in Swift - WWDC21 - Videos - Apple Developer

Explore structured concurrency in Swift - WWDC21 - Videos - Apple Developer

Meet AsyncSequence - WWDC21 - Videos - Apple Developer

Swift concurrency: Update a sample app - WWDC21 - Videos - Apple Developer

Discover concurrency in SwiftUI - WWDC21 - Videos - Apple Developer

Use async/await with URLSession - WWDC21 - Videos - Apple Developer

Swift concurrency: Behind the scenes - WWDC21 - Videos - Apple Developer

Understand and eliminate hangs from your app - WWDC21 - Videos - Apple Developer

Bring Core Data concurrency to Swift and SwiftUI - WWDC21 - Videos - Apple Developer

Proposals

• SE-0296: Async/await
• SE-0297: Concurrency Interoperability with Objective-C
• SE-0298: Async/Await: Sequences
• SE-0300: Continuations for interfacing async tasks with synchronous code
• SE-0302: Sendable and @Sendable closures
• SE-0304: Structured concurrency
• SE-0306: Actors
• SE-0310: Effectful read-only properties
• SE-0311: Task Local Values