What is Approachable Concurrency in Xcode 26? – Donny Wals

Xcode 26 introduces an "Approachable Concurrency" compiler setting that enables several Swift 6.2 features to make concurrency more predictable and reduce confusing compiler errors. The setting includes five key features: nonisolated(nonsending) by default, inferred Sendable for methods and key paths, inferred isolated conformances, improved global-actor-isolated types usability, and disabled outward actor isolation inference. These changes eliminate many obscure compiler errors that previously required workarounds for non-existent problems, making Swift concurrency more developer-friendly.