Kirill Gribunin

Same exception when sending data from parallel threads: ``` CoreCLR Version: 5.0.521.16609 .NET Version: 5.0.5 Description: The process was terminated due to an unhandled exception. Exception Info: System.InvalidOperationException: An asynchronous...

Obviously in my case this happens when I am using UdpClient.SendAsync from multiple threads. It seems that Updclient.SendAsync is not thread-safe (inside UdpClient implementation there is a _sending flag which...

```IWorkflowActivationStrategy.GetAllowActivationAsync``` is called only from ```WorkflowHost.CanStartWorkflowAsync``` which is not called from anywhere across the codebase. All activities which trigger new workflow, like Event, Timer, etc. just create a new workflow...