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I rely heavily on my advanced roadmaps tools to visualize delivery of related features in the portfolio I manage, but with JPD being a team based project type, I am unable to use with Advanced Roadmaps. I'd like to request the ability to do that :)
Just a suggestion - you can link to an Initiative of the same name in the Delivery section. That way you keep the Product Discovery for the work separate of the Software Delivery portion of the work. Then if you wanted Advanced Roadmaps to show the JPD ID, maybe just add a field that autopopulates or when you make the initiative name it like:
(JPD-1) New Initiative Name
New Initiative Name (JPD-1)