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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Successful build of Realtime with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 7

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/supabase-community/realtime-swift.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/supabase-community/realtime-swift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 5ea1fd2 Update README.md
Cloned https://github.com/supabase-community/realtime-swift.git
Revision (git rev-parse @):
5ea1fd24469191d5dd7421d3dbf42c88c5c0d5ba
SUCCESS checkout https://github.com/supabase-community/realtime-swift.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/supabase-community/realtime-swift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-6F35C1178C84523A.txt
[3/13] Compiling Realtime SocketError.swift
[4/13] Compiling Realtime TimeoutTimer.swift
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/TimeoutTimer.swift:98:14: warning: static property 'main' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 96 | class TimerQueue {
 97 |   // Can be overriden in tests
 98 |   static var main = TimerQueue()
    |              |- warning: static property 'main' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |              |- note: convert 'main' to a 'let' constant to make 'Sendable' shared state immutable
    |              |- note: annotate 'main' with '@MainActor' if property should only be accessed from the main actor
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 99 |
100 |   func queue(timeInterval: TimeInterval, execute: DispatchWorkItem) {
[5/13] Compiling Realtime StateChangeCallbacks.swift
[6/14] Compiling Realtime Push.swift
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/TimeoutTimer.swift:98:14: warning: static property 'main' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 96 | class TimerQueue {
 97 |   // Can be overriden in tests
 98 |   static var main = TimerQueue()
    |              |- warning: static property 'main' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |              |- note: convert 'main' to a 'let' constant to make 'Sendable' shared state immutable
    |              |- note: annotate 'main' with '@MainActor' if property should only be accessed from the main actor
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 99 |
100 |   func queue(timeInterval: TimeInterval, execute: DispatchWorkItem) {
[7/14] Compiling Realtime Message.swift
[8/14] Compiling Realtime RealtimeClient.swift
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Defaults.swift:42:21: warning: static property 'encode' is not concurrency-safe because non-'Sendable' type '([String : Any]) -> Data' may have shared mutable state; this is an error in the Swift 6 language mode
 40 |
 41 |   /// Default encode function, utilizing JSONSerialization.data
 42 |   public static let encode: ([String: Any]) -> Data = { json in
    |                     |- warning: static property 'encode' is not concurrency-safe because non-'Sendable' type '([String : Any]) -> Data' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'encode' with '@MainActor' if property should only be accessed from the main actor
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 43 |     try! JSONSerialization
 44 |       .data(
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Defaults.swift:50:21: warning: static property 'decode' is not concurrency-safe because non-'Sendable' type '(Data) -> [String : Any]?' may have shared mutable state; this is an error in the Swift 6 language mode
 48 |
 49 |   /// Default decode function, utilizing JSONSerialization.jsonObject
 50 |   public static let decode: (Data) -> [String: Any]? = { data in
    |                     |- warning: static property 'decode' is not concurrency-safe because non-'Sendable' type '(Data) -> [String : Any]?' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'decode' with '@MainActor' if property should only be accessed from the main actor
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 51 |     guard
 52 |       let json =
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Defaults.swift:32:21: warning: static property 'reconnectSteppedBackOff' is not concurrency-safe because non-'Sendable' type '(Int) -> TimeInterval' (aka '(Int) -> Double') may have shared mutable state; this is an error in the Swift 6 language mode
 30 |
 31 |   /// Default reconnect algorithm for the socket
 32 |   public static let reconnectSteppedBackOff: (Int) -> TimeInterval = { tries in
    |                     |- warning: static property 'reconnectSteppedBackOff' is not concurrency-safe because non-'Sendable' type '(Int) -> TimeInterval' (aka '(Int) -> Double') may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'reconnectSteppedBackOff' with '@MainActor' if property should only be accessed from the main actor
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 33 |     tries > 9 ? 5.0 : [0.01, 0.05, 0.1, 0.15, 0.2, 0.25, 0.5, 1.0, 2.0][tries - 1]
 34 |   }
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Defaults.swift:37:21: warning: static property 'rejoinSteppedBackOff' is not concurrency-safe because non-'Sendable' type '(Int) -> TimeInterval' (aka '(Int) -> Double') may have shared mutable state; this is an error in the Swift 6 language mode
 35 |
 36 |   /** Default rejoin algorithm for individual channels */
 37 |   public static let rejoinSteppedBackOff: (Int) -> TimeInterval = { tries in
    |                     |- warning: static property 'rejoinSteppedBackOff' is not concurrency-safe because non-'Sendable' type '(Int) -> TimeInterval' (aka '(Int) -> Double') may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'rejoinSteppedBackOff' with '@MainActor' if property should only be accessed from the main actor
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |     tries > 3 ? 10 : [1, 2, 5][tries - 1]
 39 |   }
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/TimeoutTimer.swift:98:14: warning: static property 'main' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 96 | class TimerQueue {
 97 |   // Can be overriden in tests
 98 |   static var main = TimerQueue()
    |              |- warning: static property 'main' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |              |- note: convert 'main' to a 'let' constant to make 'Sendable' shared state immutable
    |              |- note: annotate 'main' with '@MainActor' if property should only be accessed from the main actor
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 99 |
100 |   func queue(timeInterval: TimeInterval, execute: DispatchWorkItem) {
[9/14] Compiling Realtime Delegated.swift
[10/14] Emitting module Realtime
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Defaults.swift:32:21: warning: static property 'reconnectSteppedBackOff' is not concurrency-safe because non-'Sendable' type '(Int) -> TimeInterval' (aka '(Int) -> Double') may have shared mutable state; this is an error in the Swift 6 language mode
 30 |
 31 |   /// Default reconnect algorithm for the socket
 32 |   public static let reconnectSteppedBackOff: (Int) -> TimeInterval = { tries in
    |                     |- warning: static property 'reconnectSteppedBackOff' is not concurrency-safe because non-'Sendable' type '(Int) -> TimeInterval' (aka '(Int) -> Double') may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'reconnectSteppedBackOff' with '@MainActor' if property should only be accessed from the main actor
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 33 |     tries > 9 ? 5.0 : [0.01, 0.05, 0.1, 0.15, 0.2, 0.25, 0.5, 1.0, 2.0][tries - 1]
 34 |   }
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Defaults.swift:37:21: warning: static property 'rejoinSteppedBackOff' is not concurrency-safe because non-'Sendable' type '(Int) -> TimeInterval' (aka '(Int) -> Double') may have shared mutable state; this is an error in the Swift 6 language mode
 35 |
 36 |   /** Default rejoin algorithm for individual channels */
 37 |   public static let rejoinSteppedBackOff: (Int) -> TimeInterval = { tries in
    |                     |- warning: static property 'rejoinSteppedBackOff' is not concurrency-safe because non-'Sendable' type '(Int) -> TimeInterval' (aka '(Int) -> Double') may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'rejoinSteppedBackOff' with '@MainActor' if property should only be accessed from the main actor
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |     tries > 3 ? 10 : [1, 2, 5][tries - 1]
 39 |   }
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Defaults.swift:42:21: warning: static property 'encode' is not concurrency-safe because non-'Sendable' type '([String : Any]) -> Data' may have shared mutable state; this is an error in the Swift 6 language mode
 40 |
 41 |   /// Default encode function, utilizing JSONSerialization.data
 42 |   public static let encode: ([String: Any]) -> Data = { json in
    |                     |- warning: static property 'encode' is not concurrency-safe because non-'Sendable' type '([String : Any]) -> Data' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'encode' with '@MainActor' if property should only be accessed from the main actor
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 43 |     try! JSONSerialization
 44 |       .data(
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Defaults.swift:50:21: warning: static property 'decode' is not concurrency-safe because non-'Sendable' type '(Data) -> [String : Any]?' may have shared mutable state; this is an error in the Swift 6 language mode
 48 |
 49 |   /// Default decode function, utilizing JSONSerialization.jsonObject
 50 |   public static let decode: (Data) -> [String: Any]? = { data in
    |                     |- warning: static property 'decode' is not concurrency-safe because non-'Sendable' type '(Data) -> [String : Any]?' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'decode' with '@MainActor' if property should only be accessed from the main actor
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 51 |     guard
 52 |       let json =
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/TimeoutTimer.swift:98:14: warning: static property 'main' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 96 | class TimerQueue {
 97 |   // Can be overriden in tests
 98 |   static var main = TimerQueue()
    |              |- warning: static property 'main' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |              |- note: convert 'main' to a 'let' constant to make 'Sendable' shared state immutable
    |              |- note: annotate 'main' with '@MainActor' if property should only be accessed from the main actor
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 99 |
100 |   func queue(timeInterval: TimeInterval, execute: DispatchWorkItem) {
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Transport.swift:130:14: warning: non-final class 'URLSessionTransport' cannot conform to 'Sendable'; use '@unchecked Sendable'; this is an error in the Swift 6 language mode
128 | /// your own WebSocket library or implementation.
129 | @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *)
130 | public class URLSessionTransport: NSObject, Transport, URLSessionWebSocketDelegate {
    |              `- warning: non-final class 'URLSessionTransport' cannot conform to 'Sendable'; use '@unchecked Sendable'; this is an error in the Swift 6 language mode
131 |   /// The URL to connect to
132 |   internal let url: URL
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Transport.swift:135:15: warning: stored property 'session' of 'Sendable'-conforming class 'URLSessionTransport' is mutable; this is an error in the Swift 6 language mode
133 |
134 |   /// The underling URLsession. Assigned during `connect()`
135 |   private var session: URLSession?
    |               `- warning: stored property 'session' of 'Sendable'-conforming class 'URLSessionTransport' is mutable; this is an error in the Swift 6 language mode
136 |
137 |   /// The ongoing task. Assigned during `connect()`
[11/14] Compiling Realtime HeartbeatTimer.swift
[12/14] Compiling Realtime Channel.swift
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/TimeoutTimer.swift:98:14: warning: static property 'main' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 96 | class TimerQueue {
 97 |   // Can be overriden in tests
 98 |   static var main = TimerQueue()
    |              |- warning: static property 'main' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |              |- note: convert 'main' to a 'let' constant to make 'Sendable' shared state immutable
    |              |- note: annotate 'main' with '@MainActor' if property should only be accessed from the main actor
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 99 |
100 |   func queue(timeInterval: TimeInterval, execute: DispatchWorkItem) {
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Defaults.swift:32:21: warning: static property 'reconnectSteppedBackOff' is not concurrency-safe because non-'Sendable' type '(Int) -> TimeInterval' (aka '(Int) -> Double') may have shared mutable state; this is an error in the Swift 6 language mode
 30 |
 31 |   /// Default reconnect algorithm for the socket
 32 |   public static let reconnectSteppedBackOff: (Int) -> TimeInterval = { tries in
    |                     |- warning: static property 'reconnectSteppedBackOff' is not concurrency-safe because non-'Sendable' type '(Int) -> TimeInterval' (aka '(Int) -> Double') may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'reconnectSteppedBackOff' with '@MainActor' if property should only be accessed from the main actor
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 33 |     tries > 9 ? 5.0 : [0.01, 0.05, 0.1, 0.15, 0.2, 0.25, 0.5, 1.0, 2.0][tries - 1]
 34 |   }
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Defaults.swift:37:21: warning: static property 'rejoinSteppedBackOff' is not concurrency-safe because non-'Sendable' type '(Int) -> TimeInterval' (aka '(Int) -> Double') may have shared mutable state; this is an error in the Swift 6 language mode
 35 |
 36 |   /** Default rejoin algorithm for individual channels */
 37 |   public static let rejoinSteppedBackOff: (Int) -> TimeInterval = { tries in
    |                     |- warning: static property 'rejoinSteppedBackOff' is not concurrency-safe because non-'Sendable' type '(Int) -> TimeInterval' (aka '(Int) -> Double') may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'rejoinSteppedBackOff' with '@MainActor' if property should only be accessed from the main actor
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |     tries > 3 ? 10 : [1, 2, 5][tries - 1]
 39 |   }
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Defaults.swift:42:21: warning: static property 'encode' is not concurrency-safe because non-'Sendable' type '([String : Any]) -> Data' may have shared mutable state; this is an error in the Swift 6 language mode
 40 |
 41 |   /// Default encode function, utilizing JSONSerialization.data
 42 |   public static let encode: ([String: Any]) -> Data = { json in
    |                     |- warning: static property 'encode' is not concurrency-safe because non-'Sendable' type '([String : Any]) -> Data' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'encode' with '@MainActor' if property should only be accessed from the main actor
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 43 |     try! JSONSerialization
 44 |       .data(
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Defaults.swift:50:21: warning: static property 'decode' is not concurrency-safe because non-'Sendable' type '(Data) -> [String : Any]?' may have shared mutable state; this is an error in the Swift 6 language mode
 48 |
 49 |   /// Default decode function, utilizing JSONSerialization.jsonObject
 50 |   public static let decode: (Data) -> [String: Any]? = { data in
    |                     |- warning: static property 'decode' is not concurrency-safe because non-'Sendable' type '(Data) -> [String : Any]?' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'decode' with '@MainActor' if property should only be accessed from the main actor
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 51 |     guard
 52 |       let json =
[13/14] Compiling Realtime Defaults.swift
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/TimeoutTimer.swift:98:14: warning: static property 'main' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 96 | class TimerQueue {
 97 |   // Can be overriden in tests
 98 |   static var main = TimerQueue()
    |              |- warning: static property 'main' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |              |- note: convert 'main' to a 'let' constant to make 'Sendable' shared state immutable
    |              |- note: annotate 'main' with '@MainActor' if property should only be accessed from the main actor
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 99 |
100 |   func queue(timeInterval: TimeInterval, execute: DispatchWorkItem) {
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Defaults.swift:32:21: warning: static property 'reconnectSteppedBackOff' is not concurrency-safe because non-'Sendable' type '(Int) -> TimeInterval' (aka '(Int) -> Double') may have shared mutable state; this is an error in the Swift 6 language mode
 30 |
 31 |   /// Default reconnect algorithm for the socket
 32 |   public static let reconnectSteppedBackOff: (Int) -> TimeInterval = { tries in
    |                     |- warning: static property 'reconnectSteppedBackOff' is not concurrency-safe because non-'Sendable' type '(Int) -> TimeInterval' (aka '(Int) -> Double') may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'reconnectSteppedBackOff' with '@MainActor' if property should only be accessed from the main actor
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 33 |     tries > 9 ? 5.0 : [0.01, 0.05, 0.1, 0.15, 0.2, 0.25, 0.5, 1.0, 2.0][tries - 1]
 34 |   }
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Defaults.swift:37:21: warning: static property 'rejoinSteppedBackOff' is not concurrency-safe because non-'Sendable' type '(Int) -> TimeInterval' (aka '(Int) -> Double') may have shared mutable state; this is an error in the Swift 6 language mode
 35 |
 36 |   /** Default rejoin algorithm for individual channels */
 37 |   public static let rejoinSteppedBackOff: (Int) -> TimeInterval = { tries in
    |                     |- warning: static property 'rejoinSteppedBackOff' is not concurrency-safe because non-'Sendable' type '(Int) -> TimeInterval' (aka '(Int) -> Double') may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'rejoinSteppedBackOff' with '@MainActor' if property should only be accessed from the main actor
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |     tries > 3 ? 10 : [1, 2, 5][tries - 1]
 39 |   }
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Defaults.swift:42:21: warning: static property 'encode' is not concurrency-safe because non-'Sendable' type '([String : Any]) -> Data' may have shared mutable state; this is an error in the Swift 6 language mode
 40 |
 41 |   /// Default encode function, utilizing JSONSerialization.data
 42 |   public static let encode: ([String: Any]) -> Data = { json in
    |                     |- warning: static property 'encode' is not concurrency-safe because non-'Sendable' type '([String : Any]) -> Data' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'encode' with '@MainActor' if property should only be accessed from the main actor
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 43 |     try! JSONSerialization
 44 |       .data(
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Defaults.swift:50:21: warning: static property 'decode' is not concurrency-safe because non-'Sendable' type '(Data) -> [String : Any]?' may have shared mutable state; this is an error in the Swift 6 language mode
 48 |
 49 |   /// Default decode function, utilizing JSONSerialization.jsonObject
 50 |   public static let decode: (Data) -> [String: Any]? = { data in
    |                     |- warning: static property 'decode' is not concurrency-safe because non-'Sendable' type '(Data) -> [String : Any]?' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'decode' with '@MainActor' if property should only be accessed from the main actor
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 51 |     guard
 52 |       let json =
[14/14] Compiling Realtime Transport.swift
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Transport.swift:130:14: warning: non-final class 'URLSessionTransport' cannot conform to 'Sendable'; use '@unchecked Sendable'; this is an error in the Swift 6 language mode
128 | /// your own WebSocket library or implementation.
129 | @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *)
130 | public class URLSessionTransport: NSObject, Transport, URLSessionWebSocketDelegate {
    |              `- warning: non-final class 'URLSessionTransport' cannot conform to 'Sendable'; use '@unchecked Sendable'; this is an error in the Swift 6 language mode
131 |   /// The URL to connect to
132 |   internal let url: URL
/Users/admin/builder/spi-builder-workspace/Sources/Realtime/Transport.swift:135:15: warning: stored property 'session' of 'Sendable'-conforming class 'URLSessionTransport' is mutable; this is an error in the Swift 6 language mode
133 |
134 |   /// The underling URLsession. Assigned during `connect()`
135 |   private var session: URLSession?
    |               `- warning: stored property 'session' of 'Sendable'-conforming class 'URLSessionTransport' is mutable; this is an error in the Swift 6 language mode
136 |
137 |   /// The ongoing task. Assigned during `connect()`
Build complete! (21.35s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Realtime",
  "name" : "Realtime",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "Realtime",
      "targets" : [
        "Realtime"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RealtimeTests",
      "module_type" : "SwiftTarget",
      "name" : "RealtimeTests",
      "path" : "Tests/RealtimeTests",
      "sources" : [
        "ChannelTopicTests.swift",
        "RealtimeTests.swift"
      ],
      "target_dependencies" : [
        "Realtime"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Realtime",
      "module_type" : "SwiftTarget",
      "name" : "Realtime",
      "path" : "Sources/Realtime",
      "product_memberships" : [
        "Realtime"
      ],
      "sources" : [
        "Channel.swift",
        "Defaults.swift",
        "Delegated.swift",
        "HeartbeatTimer.swift",
        "Message.swift",
        "Push.swift",
        "RealtimeClient.swift",
        "SocketError.swift",
        "StateChangeCallbacks.swift",
        "TimeoutTimer.swift",
        "Transport.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.