Rabbit MQ Pub/Sub Publish Metadata Propogation

[sethtomy]

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Hello!

I'm trying to use a headers exchange with Rabbit MQ but am not able to achieve it. I route my message from exchange to individual queues, by use case, using a particular header.

I could not get this working though DAPR even after setting this in the component:

    - name: publishMessagePropertiesToMetadata
      value: "true"

From the subscribing code it looks like the inverse of what I want is supported here.

I dug into the publishing code a bit and found this so it looks like this is intentional behavior?

So I guess that's my question, is this intentional behavior or is this propogation something I could request as a feature (and maybe contribute)?

[sethtomy]

This looks to be related to #6075