It would be great if we could import and model using c# Linq queries / code snippets. Think of it as LinqPad inside PowerBI. Today, you have to know your sql query first, then model over it. With linq you can virtualize the table model all in one go and also have access to .net for calculated ...
I really like the custom visualizations but, I would like to suggest the following improvements in the custom visual gallery: Link to blog post explaining the visuals directly from the gallery. Possibility to leave feedback and improvements for the visuals also in the gallery. Suggest new visuals...
I'd like a slicer that is purely a toggle switch. For example I need to toggle an entire report between sales dollars to Units. This slicer would only allow you to select either sales dollars or Units but not both because adding dollars and units does not make sense.
Possibility to have multiple salesforce accounts in the same data model
Visual Studio and SQL Server Management Studio have "Appange tables" option which automatically arranges tables on the screen. This could be very useful in "Relationships" view of Power BI Desktop.
For the bubble chart, when we use Color Saturation dimension, there is no option of a legend to tell what light, medium, dark colors mean. Please provide an option to add legend for color saturation in the bubble chart properties.
It would be great to have a connector to Coupa (www.coupa.com) to report on metrics related to procurement, AP, suplliers, etc metrics
Remember Windows Forms? Remember how we could align objects at center left and right and align on those dimensions too? That made design so much easier. Can we get the same functionality please?
Data refresh/build against large data sets can be stopped but pick up again at the point it left off.
Would be nice to be able to connect to service content packs like VSO through Power BI Desktop too. There are a lot of cases where we want to create new charts additional to the ones provided by default. Adding the content packs to Desktop, would make it easier for devs.