Concurrency - #NeedOne

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Concurrency

A collection of 3 posts

Bridging Legacy APIs with MainActor.assumeIsolated

Bridging Legacy APIs with MainActor.assumeIsolated

Despite strict concurrency checking having been available for some time, many official Apple APIs remain inadequately adapted—a situation likely to persist for the foreseeable future. As Swift 6 gains mainstream adoption, this friction has become increasingly apparent: developers want the safety guarantees of the Swift compiler, yet they find

Default Actor Isolation: A Great Intention with New Challenges

Default Actor Isolation: A Great Intention with New Challenges

While the primary goal of Swift’s strict concurrency checking is noble, it has introduced significant friction in single-threaded scenarios. Developers often find themselves cluttering code with redundant Sendable or @MainActor declarations just to appease the compiler. The "Default Actor Isolation" feature in Swift 6.2 is set

🚀 Swift 6 Concurrency: Mastering @isolated(any) and #isolation

🚀 Swift 6 Concurrency: Mastering @isolated(any) and #isolation

Swift 6 introduces a suite of powerful new concurrency features and keywords. While many of these may not see daily use, encountering specific edge cases without a solid grasp of these concepts can leave you deadlocked—even with the best AI assistance. In this post, I’ll walk through a