Ability to fully replace entire Dataflow M code (overwrite) without creating a new Dataflow, and without having to go into each entity/query one by one. This could be done via import of .json, IF imp...
Feels essential - we deploy the same content to multiple tenants and need to be able to get newer versions out there without having to either manually apply updates or reconfigure reports to use new dataflow IDs. Standard DevOps activity really - can update a report by republishing over the top of the original, so why not the same for dataflows?
