ClipboardCopyMode enumeration will expose a new property - SkipNullOrEmptyValue - setting whether null/empty value will be copied or not. Thus if copying cells from a column with multiple empty values, will not have a result in the pasted text, but rather be skipped.

The first character is lost on typing in a column with CellEditTemplate with 
RadMaskedNumericInput, RadMaskedCurrencyInput, RadMaskedDateTimeInput, RadMaskedTextInput.

When the HorizontalContentAlignment of the GridViewCheckBoxColumn's CellStyle setting to Center, the checkboxes in the columns remain on the left side. If another theme like OfficeBlack is used, the checkboxes go on the center.

When KeyboardNavigation.TabNavigation is set to Once, RadGridView does not lose the focus after the second time it's focused.

ArgumentNullException

The fix will be included in LIB version 2015.3.1026.

Will be available with LIB version 2015.3.1026.

When DragElementAction="ExtendedSelect" in GridView is set, there is a problem with the deselecting
behaviour. Ctrl + click no longer deselects the row.

The problem should be resolved with lib version 2015.3.1019.

The problem should be resolved with lib version 2015.3.1019.

GridViewHeaderCell are not draggable when RadGridView is hosted in DropDownButton.DropDownContent. Trying to drag a cell does not trigger drag events.

The problem should be resolved with lib version 2015.3.1012.

GroupFooterRowStyleSelector is not persisted, when you expand and collapse a group

PropertyChanged event is called for a cell with nullable value when is in edit mode and click on another cell