Swift 6.2 introduces a new way to write safe concurrent code. Single-threaded by default means your code runs on one thread unless you say otherwise. This helps avoid data races that cause crashes.
You can use @concurrent to explicitly move work to a background thread. The MainActor type makes it easy to keep UI code on the main thread. Isolated conformances let you adopt protocols safely on main actor types.
This skill teaches you the core patterns for Swift 6.2 concurrency. You will learn how to migrate existing projects and resolve compiler errors. It is designed for app developers who want reliable and fast code.
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