[FME-11035] - Swift 6 - Minimum compatible version

Split.xcodeproj/project.pbxproj

@@ -5285,8 +5285,9 @@
 				SUPPORTS_MACCATALYST = YES;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_STRICT_MEMORY_SAFETY = NO;
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = "";
+				SWIFT_VERSION = 6.0;
 				TVOS_DEPLOYMENT_TARGET = 15.4;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -5351,8 +5352,9 @@
 				SUPPORTS_MACCATALYST = YES;
 				SWIFT_COMPILATION_MODE = wholemodule;
 				SWIFT_OPTIMIZATION_LEVEL = "-O";
+				SWIFT_STRICT_MEMORY_SAFETY = NO;
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = "";
+				SWIFT_VERSION = 6.0;
 				TVOS_DEPLOYMENT_TARGET = 15.4;
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -5397,7 +5399,7 @@
 				SWIFT_OBJC_BRIDGING_HEADER = "";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6.0;
 				TARGETED_DEVICE_FAMILY = "1,2,3,6";
 				TVOS_DEPLOYMENT_TARGET = 12.0;
 				USER_HEADER_SEARCH_PATHS = "";
@@ -5440,7 +5442,7 @@
 				SWIFT_INCLUDE_PATHS = "";
 				SWIFT_OBJC_BRIDGING_HEADER = "";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6.0;
 				TARGETED_DEVICE_FAMILY = "1,2,3,4";
 				TVOS_DEPLOYMENT_TARGET = 12.0;
 				USER_HEADER_SEARCH_PATHS = "";
@@ -5471,7 +5473,7 @@
 				SWIFT_OBJC_BRIDGING_HEADER = "";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -5498,7 +5500,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;

Split.xcodeproj/xcshareddata/xcschemes/SplitSwfit6.xcscheme

@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1640"
+   version = "1.7">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES"
+      buildArchitectures = "Automatic">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "3B6DEE5920EA6A4E0067435E"
+               BuildableName = "Split.framework"
+               BlueprintName = "Split"
+               ReferencedContainer = "container:Split.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      shouldAutocreateTestPlan = "YES">
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "3B6DEE5920EA6A4E0067435E"
+            BuildableName = "Split.framework"
+            BlueprintName = "Split"
+            ReferencedContainer = "container:Split.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

Split/Api/CertificatePinningConfig.swift

@@ -12,7 +12,7 @@ public typealias CertificatePinningFailureHandler = (String) -> Void
 
 /// Custom error type for certificate pinning errors, conforming to LocalizedError.
 @objc
-public class CertificatePinningError: NSObject, LocalizedError {
+public class CertificatePinningError: NSObject, LocalizedError, @unchecked Sendable {
     private let message: String
 
     /// Initializes a new instance of CertificatePinningError with a custom message.

Split/Api/DefaultSplitClient.swift

@@ -11,7 +11,7 @@ import Foundation
 
 typealias DestroyHandler = () -> Void
 
-public final class DefaultSplitClient: NSObject, SplitClient, TelemetrySplitClient {
+public final class DefaultSplitClient: NSObject, SplitClient, TelemetrySplitClient, @unchecked Sendable {
 
     private var storageContainer: SplitStorageContainer
     private var key: Key
@@ -309,7 +309,7 @@ extension DefaultSplitClient {
         destroy(completion: nil)
     }
 
-    public func destroy(completion: (() -> Void)?) {
+    public func destroy(completion: (@Sendable () -> Void)?) {
         isClientDestroyed = true
         treatmentManager.destroy()
         DispatchQueue.global().async { [weak self] in

Split/Api/DefaultSplitFactoryBuilder.swift

@@ -33,7 +33,7 @@ import Foundation
         (Singleton pattern) and reusing it throughout your application.
     """
 
-    private static let  factoryMonitor: FactoryMonitor = {
+    nonisolated(unsafe) private static let  factoryMonitor: FactoryMonitor = {
         return DefaultFactoryMonitor()
     }()
 

Split/Api/SplitClient.swift

@@ -66,7 +66,7 @@ public typealias SplitAction = () -> Void
     // MARK: Client lifecycle
     func flush()
     func destroy()
-    func destroy(completion: (() -> Void)?)
+    func destroy(completion: (@Sendable () -> Void)?)
 
     @objc(trackWithTrafficType:eventType:properties:) func track(trafficType: String,
                                                                  eventType: String,

Split/Api/SplitClientManager.swift

@@ -16,7 +16,7 @@ protocol SplitClientManager: AnyObject {
     var splitFactory: SplitFactory? { get }
 }
 
-class DefaultClientManager: SplitClientManager {
+final class DefaultClientManager: SplitClientManager, @unchecked Sendable {
     private(set) var defaultClient: SplitClient?
 
     private var storageContainer: SplitStorageContainer

Split/Api/SplitDatabaseHelper.swift

@@ -50,7 +50,7 @@ struct SplitDatabaseHelper {
         GlobalSecureStorage.shared.set(item: keyBytes.base64EncodedString(options: []), for: .dbEncryptionKey(apiKey))
     }
 
-    static func buildStorageContainer(splitClientConfig: SplitClientConfig,
+    nonisolated static func buildStorageContainer(splitClientConfig: SplitClientConfig,
                                       apiKey: String,
                                       userKey: String,
                                       databaseName: String,

Split/Common/Extensions/Bundle+Finder.swift

@@ -12,7 +12,7 @@ private class BundleFinder {}
 
 extension Foundation.Bundle {
     /// Returns the resource bundle associated with the current Swift module.
-    static var split: Bundle = {
+    nonisolated(unsafe) static var split: Bundle = {
         let bundleName = Bundle.splitBundleName
 
         let candidates = [

Split/Common/Extensions/Date+Utils.swift

@@ -56,7 +56,7 @@ extension Date {
         return seconds / 86400
     }
 
-    private static var formatter: DateFormatter = {
+    nonisolated(unsafe) private static var formatter: DateFormatter = {
         let formatter = DateFormatter()
         formatter.dateFormat = "dd-MM-yyyy HH:mm:ss.SSS"
         return formatter

Split/Common/ServiceConstants.swift

@@ -11,7 +11,7 @@ import Foundation
 struct ServiceConstants {
 
     // Created for testing purposes only
-    static var values: Values?
+    nonisolated(unsafe) static var values: Values?
 
     static let estimatedImpressionSizeInBytes = 150
     // Estimated size of a UniqueKey having a key of 100 chars and

Split/Common/Structs/ConcurrentDictionary.swift

@@ -8,10 +8,10 @@
 
 import Foundation
 
-class ConcurrentDictionary<K: Hashable, T> {
+final class ConcurrentDictionary<K: Hashable & Sendable, T: Sendable>: Sendable {
 
-    private var queue: DispatchQueue
-    private var items: [K: T]
+    nonisolated(unsafe) private var queue: DispatchQueue
+    nonisolated(unsafe) private var items: [K: T]
 
     var all: [K: T] {
         var allItems: [K: T]?

Split/Common/Structs/ConcurrentDictionaryList.swift

@@ -8,7 +8,7 @@
 
 import Foundation
 
-class ConcurrentDictionaryList<K: Hashable, T> {
+class ConcurrentDictionaryList<K: Hashable & Sendable, T: Sendable>: @unchecked Sendable {
 
     private var queue = DispatchQueue(label: "split-concurrent-dictionary-list",
                                       attributes: .concurrent)

Split/Common/Structs/LRUCache.swift

@@ -8,7 +8,7 @@
 
 import Foundation
 
-class LRUCache<K: Hashable, E> {
+final class LRUCache<K: Hashable & Sendable, E: Sendable>: @unchecked Sendable {
     /// Elements queue tracks objects usage
     /// first element is last used
     /// last element is least used

Split/Common/Utils/Logger.swift

@@ -9,7 +9,7 @@ import Foundation
 
 struct TimeChecker {
 
-    private static var startTime: Int64 = 0
+    nonisolated(unsafe) private static var startTime: Int64 = 0
     private static let tag = "[SPTPRF] "
     private static let showTimestamp = true
     private static let showSinceMsg = true
@@ -71,7 +71,7 @@ class Logger {
 
     var level: SplitLogLevel = .none
 
-    static let shared: Logger = {
+    nonisolated(unsafe) static let shared: Logger = {
         return Logger()
     }()
 

Split/Common/Utils/NotificationsHelper.swift

@@ -71,7 +71,7 @@ class DefaultNotificationHelper: NotificationHelper {
 
 #endif
 
-    static let instance: DefaultNotificationHelper = {
+    nonisolated(unsafe) static let instance: DefaultNotificationHelper = {
         return DefaultNotificationHelper()
     }()
 

Split/Common/Utils/Spec.swift

@@ -8,6 +8,5 @@
 import Foundation
 
 class Spec {
-
     static var flagsSpec = "1.3"
 }

Split/Common/Utils/ThreadUtils.swift

@@ -50,7 +50,7 @@ class ThreadUtils {
     }
 }
 
-protocol CancellableTask {
+protocol CancellableTask: Sendable {
     typealias Work = () -> Void
     var taskId: Int64 { get }
     var isCancelled: Bool { get }
@@ -59,7 +59,7 @@ protocol CancellableTask {
     func cancel()
 }
 
-class DefaultTask: CancellableTask {
+final class DefaultTask: CancellableTask, @unchecked Sendable {
 
     private(set) var taskId: Int64
     private(set) var isCancelled = false
@@ -87,11 +87,11 @@ struct TaskExecutor {
 }
 
 extension DispatchQueue {
-    static var critical: DispatchQueue = {
+    nonisolated(unsafe) static var critical: DispatchQueue = {
         return DispatchQueue(label: "split-critical", qos: .userInteractive, attributes: .concurrent)
     }()
 
-    static var general: DispatchQueue = {
+    nonisolated(unsafe) static var general: DispatchQueue = {
         return DispatchQueue(label: "split-general", attributes: .concurrent)
     }()
 }

Split/Common/Validators/ValidationConfig.swift

@@ -36,7 +36,7 @@ struct ValidationConfig {
     ///
     let maxEventPropertiesCount = 300
 
-    static var `default`: ValidationConfig = {
+    static let `default`: ValidationConfig = {
         return ValidationConfig()
     }()
 }

Split/Common/Yaml/YAMLParser.swift

@@ -61,7 +61,7 @@ struct Context {
 
 private typealias Context = Yaml.Context
 
-private var error = Yaml.Context.error
+nonisolated(unsafe) private var error = Yaml.Context.error
 
 private typealias ContextValue = (context: Context, value: Yaml)
 

Split/Engine/Splitter.swift

@@ -14,7 +14,7 @@ protocol SplitterProtocol {
 
 class Splitter: SplitterProtocol {
 
-    static let shared: Splitter = {
+    nonisolated(unsafe) static let shared: Splitter = {
         let instance = Splitter()
         return instance
     }()

Split/Events/EventsManagerCoordinator.swift

@@ -13,7 +13,7 @@ protocol SplitEventsManagerCoordinator: SplitEventsManager {
     func remove(forKey key: Key)
 }
 
-class MainSplitEventsManager: SplitEventsManagerCoordinator {
+class MainSplitEventsManager: SplitEventsManagerCoordinator, @unchecked Sendable {
     private var defaultManager: SplitEventsManager?
     private var managers = [Key: SplitEventsManager]()
     private var triggered = Set<SplitInternalEvent>()

Split/Events/SplitEvent.swift

@@ -7,7 +7,7 @@
 
 import Foundation
 
-@objc public enum SplitEvent: Int {
+@objc public enum SplitEvent: Int, Sendable {
     case sdkReady
     case sdkReadyTimedOut
     case sdkReadyFromCache

Split/Events/SplitEventActionTask.swift

@@ -7,7 +7,7 @@
 
 import Foundation
 
-class SplitEventActionTask: SplitEventTask {
+class SplitEventActionTask: SplitEventTask, @unchecked Sendable {
 
     private var eventHandler: SplitAction?
     private var queue: DispatchQueue?

Split/Events/SplitEventTask.swift

@@ -7,7 +7,7 @@
 
 import Foundation
 
-protocol SplitEventTask {
+protocol SplitEventTask: Sendable {
     var event: SplitEvent { get }
     var runInBackground: Bool { get }
     func takeQueue() -> DispatchQueue?