Our Articles

Technical deep dives, benchmarks, architecture & Swift

Our blog covers technical explorations, benchmarks, architectural insights and modern Swift development — all from a real-world, production-grade perspective.

Swift 6.2: Concurrency Finally Made Accessible

Swift 6.2: Concurrency Finally Made Accessible

MainActor by default, @concurrent, isolated conformances

Announced at WWDC 2025 and shipped with Xcode 26, Swift 6.2 marks a turning point with "Approachable Concurrency": MainActor by default, async on the caller's actor, and @concurrent for explicit opt-in.