Integrate Timeline Storyteller
Please integrate Timeline Storyteller https://timelinestoryteller.com/ into Power BI :)
As announced at the 2017 Microsoft Data Insights Summit, Timeline Storyteller will be released as a custom visual for Power BI this summer: https://timelinestoryteller.com/#powerbi
Come to the Microsoft Data Summit BI Power Hour 1:30 Tues to learn about the custom timeline visual.
I didn't even know this was a thing and its amazing. Two, if this is too much, in Excel you can use power query to create reports in excel that literally move over a time slicer of your choosing and show what the effects are over time. Would something like this be possible?