Add capability to debug DAX code i.e. being able to step through DAX code, add Watch for expressions and variables and most importantly, be able to view the table/DATA change according to the current...
What would be useful in Power BI Desktop would be to enable "Debug mode" and then click any data value point on a visual, or grid cell and invoke a graphical debug that shows what tables are involved and what filtering is being applied (step by step)
