As of 16.0, preview image support has been implemented for core Parts and is no longer exclusive to DsParts.
As a result, a new PreviewImageGridCell type has been made to replace the old DsPreviewImageGridCell type.
In cm/core/calc/previewImageGridCell.cm Added: public class PreviewImageGridCell extends ImageGridCell : inherit constructors {} In cm/abstract/dataSymbol/partColumns/prdPreviewColumn.cm Removed: public class DsPreviewImageGridCell extends DsImageGridCell {}