As of EPM add-in support package 27, SAP BW (INA provider) connections are no longer available by default. For more details, please consult SAP Note 2327742.
As of EPM add-in support package 27 (that uses .net 4.5), one Member Selector is used for all connections. The Member Selector is the one that has originally been provided for large-volume and SAP BW (INA Provider) connections until Support Package 25.
You can still use the standard historical Member Selector by setting this new configuration key to False: UseWpfMemberSelector.
As of support package 27, when you install the EPM add-in, the documentation help files are no longer installed on your machine.
The sheet option Perform Worksheet Refresh on Expand/Collapse has been renamed into Perform Worksheet Refresh on Expand/Collapse and Insert Members.
The new sheet option Optimize EPMSave Functions by Row is a technical option that only advanced users should use in specific cases when using a worksheet that contains EPMSaveData functions or EPMSaveComment functions and when the refresh time is too long. See Optimize EPMSave Functions by Row and also please refer to SAP note number 2369854.
The formatting defined for changed members is applied to all cells changed by the data autofill process.
The worksheet protection is now taken into account by the data autofill.
The Data Autofill section of the documentation has been split into several sub-sections. The html version now provides short animations that shows how you can easily use the Data Autofill feature. See Data Autofill.