New BI features include the following:
-
Power Query is integrated into the Ribbon
- Three new Excel functions have been added to support forecasting
- Support for Slicer multi select using touch
- Time grouping for model based pivot tables
- Power View against multidimensional cubes
- Improved automatic relationship detection
- Ability to rename Power pivot measures and columns in Power Pivot window and see those changes reflect in Pivot Tables on the fly
- Excel Data cards
You can read the full announcement here:
http://blogs.office.com/2015/03/16/announcing-the-office-2016-it-pro-and-developer-preview/