Should defaultContentType have a default?

[fmvilas]

defaultContentType doesn't have a default value and it's not listed on the AsyncAPI Object, even though it's at root level and must be there.

Should we make this field mandatory or have a default value of, for example, application/json?

Thanks, @jstoiko for your work on the TCK, it helped raise the issue.

[derberg]

I don't think it should be mandatory,
it for sure should have a default and best would be application/json
this is how I would expect default to work, not see him but have him, and only write explicitly if I want to change it

[jonaslagoni]

I agree with @derberg, like the idea of keeping the AsyncAPI file as simple as possible (default over mandatory) 👍

[fmvilas]

Yes, I agree too. Thanks, folks!

[github-actions]

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[jonaslagoni]

Is there any of you who wants to champion this? 🙂 Or can we consider this issue as needs champion? 🤔