You can view all of VM's current set-top-boxes on this page - regardless, D+ is not currently available on any of them.
VM have a non-recording internet-based streaming box which offers Disney+, and it's entirely possible that the V360 and/or V6 will have the app added at some point.
But as for timescales of that - answers on a postcard please.. VM have a strong track record in not announcing such things until they're live & launched.
You're best off getting a streaming stick in the meantime. Others know more about those.
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