Ver 6.2.0(6.2.1)

Improve cancellation/exception handling in UniRx.Async.
All unhandled exception was routed to UniTaskScheduler.UnobservedTaskException(called UniTask/UniTaskVoid.Forget or when unhandled task was GCed)
OperationCanceledException can modify to AwaiterStatus.Canceled in async method and can ignore when routed to top.
New UniRx -> UniTaskTracker editor window can detect async/await memory leak easily.

• Add UniTask.Run
• Add UniTask.SwitchToSynchronizationContext
• Add UniTask.Lazy
• Add UniTask.Void
• Add UniTask.SwitchToMainThread
• Add UniTask.SuppressCancellationThrow
• Add CancellationTokenSource.CancelAfterSlim
• Add CancellationTokenSource.RegisterRaiseCancelOnDestroy
• Add Progress.CreateOnlyValueChanged
• Add UniTaskScheduler(UnobservedTaskException/PropagateOperationCanceledException/UnobservedExceptionWriteLogType/DispatchUnityMainThread)
• Add Task.AsUniTask(bool useCurrentSynchronizationContext)
• Add await support to ValueTuple
• Add UniRx -> UniTaskTracker editor window
• Add Dropdown.OnValueChangedAsync
• Add Dropdown.OnValueChangedAsObservable
• Add StackTrace.CleanupAsyncStackTrace
• Add Exception.CleanupAsyncStackTrace
• Add ReactiveProperty.WaitUntilValueChangedAsync(CancellationToken)
• Add ReactiveCommand.WaitUntilExecuteAsync(CancellationToken)
• Add AwaiterStatus.IsCompleted/IsCompletedSuccessfully/IsCanceled/IsFaulted extension methods
• Fix UniTask.SwitchToThreadPool does not yield correctly
• Fix UniTask.SwitchToTaskPool does not yield correctly
• Fix IEnumerable[UniTask] shortcut #336, thanks @reqweldzen
• Fix Propagate Canceled status when throws OperationCanceledException
• Improve AsyncTriggers throws OperationCanceledException when trigger was destroyed
• Improve unhandled exception was routed to UniTaskScheduler.UnobservedTaskException when unahandled task was GCed
• Improve peformance UniTask.WhenAll
• Improve performance UniTask.Yield
• Improve reduce AsyncStateMachine garbage
• Improve UniTask.ToString shows status
• Breaking Changes UniTask.WithCancellation is removed(use SuppressCancellationThrow instead)
• Internaly Unit test moved to Unity Test Runner

6.2.1

• Improve Enumerable.Select(async x => { }) returns IEnumerable<UniTask<T>> instead of IEnumerable<Task<T>>
• Improve performance single uGUI async event handling
• Fix button.OnInvokeAsync -> button.OnClickAsync
• Add AsyncUnityEventHandler.OnInvokeAsyncSuppressCancellationThrow
• Fix AsyncTriggers does not work correctly