Lineage from ETL to DB to SSAS to Reports. Impact analysis on changing any point in the chain.
Without lineage Power BI must be eliminated as a contender in the BI market for institutions like banks which need to be able to trace data flow to the element in a report for auditing purposes and also source to target mapping for side effects that could be caused by a change. Our company likes the way Power BI is headed, we just need to be able to audit and do STTM.
