Important Swift proposals

swift-proposals.md

Concurrency

These are the most useful proposals for most iOS engineers. Read these documents in this order.

1. Structured concurrency
2. Sendable and @Sendable closures
3. Actors
4. Async/await

Actors

• Asynchronous Main Semantics
• Clarify the Execution of Non-Actor-Isolated Async Functions
• Custom Actor Executors
• Distributed Actor Isolation
• Global actors
• Improved control over actor isolation
• Isolated default value expressions
• On Actors and Initialization
• Task Executor Preference

Swift concurrency

• async let bindings
• Async/Await: Sequences
• AsyncStream and AsyncThrowingStream
• Task Local Values
• Task Naming

Find more proposals on Swift.org's website.