Modeling Features
- Calculated Columns
- Data Categorization
- Sort By Another Column
- Improved DAX Formula Editor: Function Help and Prototype
Get Data & Query
- New ODBC Tables connector (Beta)
- Improved to the Excel Workbook connector: better column type inference and faster load for data previews
- New Text Column Filters - Does Not Begin With and Does Not End With
- Enhanced Privacy Levels dialog
https://support.powerbi.com/knowledgebase/articles/489224-what-s-new-in-the-latest-power-bi-designer-preview