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.