It looks like this only happens to multicast RPCs that are outgoing from a server. Client RPCs still show up as expected, and both incoming and outgoing RPCs appear properly in a client's session.

Steps to Reproduce

Use networking insights on a server instance that is sending a multicast RPC.
Expected: the RPC and its parameters would show up in the packet content panel
Actual: the RPC and its parameters are not visible, and its name is not listed in the Net Stats panel

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There's no existing public thread on this issue, so head over to AnswerHub just mention UE-129870 in the post.

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CreatedSep 30, 2021
UpdatedDec 7, 2021