OpenCombine/CHANGELOG.md

0.14.0 (23 Apr 2023)

This release is compatible with Xcode 14.2 and Swift 5.7

Additions

• Primary associated type support for Publisher, Subscriber, ConnectablePublisher, Subject and Scheduler protocols (#239)

Bugfixes

• Fixed nullifying the reference to parent in Future's conduit (#239)

0.13.0 (1 Feb 2022)

This release is compatible with Xcode 13.2.

Additions

• Windows support (thank you @MaxDesiatov!)
• Publishers.Throttle (#195, thank you @stuaustin)
• Publishers.PrefixUntilOutput (#206)
• Publishers.Zip (#222, thank you @MaxDesiatov and @ArthurChi)
• async/await extensions: Future.value and Publisher.values (#219)

Bugfixes

• Fixed reentrancy bugs in Subscribers.Sink and Subscribers.Assign (#210)
• Fixed lifecycle bugs in Publishers.Concatenate (#210)

0.12.0 (29 Jan 2021)

This release adds a new OpenCombineShim product that will conditionally re-export either Combine on Apple platforms, or OpenCombine on other platforms. Additionally, ObservableObject protocol is now available and working on all platforms.

A bug with Timer(timeInterval:repeats:block:) firing immediately not accounting for the passed timeInterval is fixed.

Merged pull requests:

• Fix Timer(timeInterval:repeats:block:) not accounting timeInterval (#196) via @grigorye
• Add OpenCombineShim product for easier importing (#197) via @MaxDesiatov
• Implementation for ObservableObject with Mirror (#201) via @kateinoigakukun

0.11.0 (29 Oct 2020)

This release is compatible with Xcode 12.1.

Additions

• Publisher.assigned(to:) method that accepts a Published.Publisher.
• New Publisher.switchToLatest() overloads.
• New Publisher.flatMap(maxPublishers:_:) overloads.
• Optional.publisher property.
• New _Introspection protocol that allows to track and explore the subscription graph and data flow.

Bugfixes

• The project should now compile without warnings.
• The following entities have been updated to match the behavior of the newest Combine version:
  • Subscribers.Assign
  • Publishers.Breakpoint
  • Publishers.Buffer
  • CombineIdentifier
  • Publishers.CompactMap
  • Publishers.Concatenate
  • Publishers.Debounce
  • Publishers.Delay
  • DispatchQueue.SchedulerTimeType.Stride
  • Publishers.Drop
  • Publishers.Encode
  • Publishers.Decode
  • Publishers.Filter
  • Publishers.HandleEvents
  • Publishers.IgnoreOutput
  • Publishers.MeasureInterval
  • OperationQueue scheduler
  • Published
  • Publishers.ReceiveOn
  • Publishers.ReplaceError
  • RunLoop scheduler
  • Publishers.Sequence
  • Subscribers.Sink
  • Publishers.SubscribeOn
  • Publishers.Timeout
  • Timer publisher

Known issues

• The default implementation of the objectWillChange requirement of the ObservableObject protocol is not available in Swift 5.1 and later.

0.10.2 (23 Oct 2020)

Bugfixes

• Fixed a crash caused by recursive acquisition of a non-recursive lock in SubbjectSubscriber (#186, thanks @stuaustin for the bug report)

Known issues

• The default implementation of the objectWillChange requirement of the ObservableObject protocol is not available in Swift 5.1 and later.

0.10.1 (4 Oct 2020)

Bugfixes

• Fixed build errors on Linux with Swift 5.0 and Swift 5.3 toolchains (thanks, @adamleonard and @devmaximilian)

Known issues

• The default implementation of the objectWillChange requirement of the ObservableObject protocol is not available in Swift 5.1 and later.

0.10.0 (28 Jun 2020)

This release is compatible with Xcode 11.5.

Additions

• Timer.publish(every:tolerance:on:in:options:) (#156, thank you @MaxDesiatov)
• OperationQueue scheduler (#165)
• Publishers.Timeout (#164)
• Publishers.Debounce (#133)

Bugfixes

• PassthroughSubject, CurrentValueSubject and Future have been rewritten from scratch. They are now faster, more correct and no longer leak subscriptions (#170).

Known issues

• The default implementation of the objectWillChange requirement of the ObservableObject protocol is not available in Swift 5.1 and later.

0.9.0 (12 Jun 2020)

This release is compatible with Xcode 11.5.

Additions

• The Subscribers.Demand struct can be nicely formatted in LLDB (#146, thank you @mayoff).
• Publishers.SwitchToLatest (#142).
• The RunLoop scheduler in OpenCombineFoundation (#131).
• Publishers.Catch and Publishers.TryCatch (#140).

Bugfixes

• Worked around a bug in the Swift compiler when building the COpenCombineHelpers target (#145, thank you @mayoff).
• Improved documentation.

Known issues

• The default implementation of the objectWillChange requirement of the ObservableObject protocol is not available in Swift 5.1 and later.

0.8.0 (17 Jan 2020)

This release is compatible with Xcode 11.3.1.

Additions

• Publishers.ReplaceEmpty (#122, thank you @spadafiva)
• NotificationCenter.Publisher (#84)
• URLSession.DataTaskPublisher (#127)
• Publishers.DropUntilOutput (#136)
• Publishers.CollectByCount (#137)
• Publishers.AssertNoFailure (#138)
• Publishers.Buffer (#143)

Bugfixes

• Fixed integer overflows in DispatchQueue.SchedulerTimeType.Stride (#126, #130)
• Fixed the 'default will never be executed' warning on non-Darwin platforms (like Linux) (#129)

Known issues

• The default implementation of the objectWillChange requirement of the ObservableObject protocol is not available in Swift 5.1.

0.7.0 (10 Dec 2019)

This release is compatible with Xcode 11.2.1.

Additions

• Publishers.Delay (#114)
• Publishers.ReceiveOn (#115)
• Publishers.SubscribeOn (#116)
• Publishers.MeasureInterval (#117)
• Publishers.Breakpoint (#118)
• Publishers.HandleEvents (#118)
• Publishers.Concatenate (#90)

Known issues

• The default implementation of the objectWillChange requirement of the ObservableObject protocol is not available in Swift 5.1.

0.6.0 (26 Nov 2019)

This release is compatible with Xcode 11.2.1.

Thread safety

• Publishers.IgnoreOutput has been audited for thread safety (#88)
• Publishers.DropWhile and Publishers.TryDropWhile have been audited for thread safety (#87)

Additions

• Publishers.Output (#91)
• Record (#100)
• Publishers.RemoveDuplicates, Publishers.TryRemoveDuplicates (#89)
• Publishers.PrefixWhile, Publishers.TryPrefixWhile (#89)
• Future (#107, thanks @MaxDesiatov!)

Bugfixes

• The behavior of the Publishers.Encode and Publishers.Decode subscriptions is fixed (#112)
• The behavior of the Publishers.IgnoreOutput subscription is fixed (#88)
• The behavior of the Publishers.Print subscription is fixed (#92)
• The behavior of the Publishers.ReplaceError subscription is fixed (#89)
• The behavior of the Publishers.Filter and Publishers.TryFilter subscriptions is fixed (#89)
• The behavior of the Publishers.CompactMap and Publishers.TryCompactMap subscriptions is fixed (#89)
• The behavior of the Publishers.Multicast subscription is fixed (#110)
• Publishers.FlatMap is reimplemented from scratch. Its behavior is fixed in many ways, it now fully matches that of Combine (#89)
• @Published property wrapper is fixed! (#112)
• The behavior of DispatchQueue.SchedulerTimeType is fixed to match that of the latest SDKs (#96)
• OpenCombine is now usable on 32 bit platforms. Why? Because we can.

Known issues

• The default implementation of the objectWillChange requirement of the ObservableObject protocol is not available in Swift 5.1.

0.5.0 (17 Oct 2019)

This release is compatible with Xcode 11.1.

Additions

• Publishers.MapKeyPath (#71)
• Publishers.Reduce (#76)
• Publishers.TryReduce (#76)
• Publishers.Last (#76)
• Publishers.LastWhere (#76)
• Publishers.TryLastWhere (#76)
• Publishers.AllSatisfy (#76)
• Publishers.TryAllSatisfy (#76)
• Publishers.Contains (#76)
• Publishers.ContainsWhere (#76)
• Publishers.TryContainsWhere (#76)
• Publishers.Collect (#76)
• Publishers.Comparison (#76)
• Publishers.Drop (#70, thank you @5sw!)
• Publishers.Scan (#83, thank you @epatey!)
• Publishers.TryScan (#83, thank you @epatey!)

Bugfixes

• Publishers.Print doesn't print a redundant whitespace anymore.

Known issues

• @Published property wrapper doesn't work yet

0.4.0 (8 Oct 2019)

This release is compatible with Xcode 11.1.

Thread safety

• SubjectSubscriber (which is used when you subscribe a subject to a publisher) has been audited for thread-safety
• Publishers.Multicast has been audited for thread safety (#63)
• Publishers.TryMap has been audited for thread safety
• Just has been audited for thread safety
• Optional.Publisher has been audited for thread safety
• Publishers.Sequence has been audited for thread safety
• Publishers.ReplaceError has been audited for thread safety
• Subscribers.Assign has been audited for thread safety
• Subscribers.Sink has been audited for thread safety

Bugfixes

• The semantics of Publishers.Print, Publishers.TryMap have been fixed
• Fix iterator.next() being called twice in Publishers.Sequence (#62)
• The default initializer of CombineIdentifier (the one that takes no arguments) is now much faster (#66, #69)
• When Publishers.Sequence subscription is cancelled while it emits values, the cancellation is respected (#73, thanks @5sw!)

Additions

• DispatchQueueScheduler (#46)
• Equatable conformances for First, ReplaceError
• Added eraseToAnyPublisher() method (#59, thanks @evyasafhouzz for reporting!)
• Publishers.MakeConnectable (#61)
• Publishers.Autoconnect (#60)
• Publishers.Share (#60)

Known issues

• @Published property wrapper doesn't work yet

0.3.0 (13 Sep 2019)

Among other things this release is compatible with Xcode 11.0 GM seed.

Bugfixes

• Store newly send value in internal variable inside CurrentValueObject (#39, thanks @FranzBusch!)

Additions

• Filter/TryFilter (#22, thanks @spadafiva!)
• First/FirstWhere/TryFirstWhere (#22, thanks again @spadafiva!)
• CompactMap/TryCompacrMap (#32)
• IgnoreOutput (#44, thanks @epatey!)
• ReplaceError (#50, thanks @vladiulianbogdan!)
• FlatMap (#45, thanks again @epatey!)

Known issues

• @Published property wrapper doesn't work yet

0.2.0 (31 Jul 2019)

Updated for the newest Xcode 11.0 beta 5

0.1.0 (4 Jul 2019)

The first pre-pre-pre-alpha release is here!

Lots of stuff still unimplemented.

For now we have:

• Just
• Publishers.Decode
• Publishers.DropWhile
• Publishers.Empty
• Publishers.Encode
• Publishers.Fail
• Publishers.Map
• Publishers.Multicast
• Publishers.Once
• Publishers.Optional
• Publishers.Print
• Publishers.Sequence
• Subscribers.Assign
• Subscribers.Completion
• Subscribers.Demand
• Subscribers.Sink
• AnyCancellable
• AnyPublisher
• AnySubject
• AnySubscriber
• Cancellable
• CombineIdentifier
• ConnectablePublisher
• CurrentValueSubject
• CustomCombineIdentifierConvertible
• ImmediateScheduler
• PassthroughSubject
• Publisher
• Result
• Scheduler
• Subject
• Subscriber
• Subscription