Microsoft Announces IT Pro and Developer Preview for Office 2016

New BI features include the following:

1. Power Query is integrated into the Ribbon

   

2. Three new Excel functions have been added to support forecasting
3. Support for Slicer multi select using touch
4. Time grouping for model based pivot tables
5. Power View against multidimensional cubes
6. Improved automatic relationship detection
7. Ability to rename Power pivot measures and columns in Power Pivot window and see those changes reflect in Pivot Tables on the fly
8. 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/