How the new version of MediatR (12.0.1) might break your application
Hi everyone. MediatR 12.0.1 was recently released and has some major changes. In previous versions, when we didn't need to return something from a handler, we used the Task of Unit as the return type, since we couldn't return just a Task. With the new version we can, but there is a problem that we need to tackle first.
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