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Rx.NET v6.1 New Feature: ResetExceptionDispatchState()

Rx.NET v6.1 New Feature: ResetExceptionDispatchState()

In this video, Ian Griffiths introduces the new ResetExceptionDispatchState operator in Rx.NET 6.1 released in October 2025.

He explains the peculiar behaviour of exception stack traces that led to the creation of this operator, following feedback from Adam Jones.

The video delves into how exception state is managed in .NET and the specific issues that arise when exceptions are reused without being re-thrown. Ian demonstrates the problem with code examples and shows how the new operator resolves it.

Full documentation is available at Introduction to Rx.NET.

  • 00:00 Introduction to Rx.NET's New Feature
  • 00:35 Background and Origin of the New Operator
  • 02:35 Understanding Exception State in .NET
  • 05:37 Demonstrating the Issue with Examples
  • 12:31 Introducing the ResetExceptionDispatchState Operator
  • 15:18 Conclusion and Further Resources

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