Extraneous @preconcurrency imports (PreconcurrencyImport)
Warnings that diagnose @preconcurrency import declarations that don’t need @preconcurrency, experimental and disabled by default.
See Also
@dynamicCallable implementation requirements (DynamicCallable)Add @preconcurrency import (AddPreconcurrencyImport)Always enabled availability domains (AlwaysAvailableDomain)Argument matching for trailing closures (TrailingClosureMatching)Calling a mutating async actor-isolated method (ActorIsolatedMutatingAsync)Calling an actor-isolated method from a synchronous nonisolated context (ActorIsolatedCall)Captures in a `@Sendable` closure (SendableClosureCaptures)Compilation caching (CompilationCaching)Conforming to `StringInterpolationProtocol` (StringInterpolationConformance)Conversion from `@isolated(any)` function type to synchronous function type (ConversionFromIsolatedAnyToSynchronous)Cross-isolation data race (RegionIsolationCrossIsolationDataRace)Deprecated declaration warnings (DeprecatedDeclaration)Deprecated implementation-only imports (ImplementationOnlyDeprecated)Dynamic exclusivity (DynamicExclusivity)Embedded Swift language restrictions (EmbeddedRestrictions)