The reordering feature performed to change the order of the columns dynamically in the UI. In this feature, the pivot values will not get updated while doing reordering. Tooltip display by matching the column index with pivot values. So, while displaying the tooltip, the actual value of the cell is shown in the same instead the current UI value. This feature allows the user to display the exact cell value in tooltip which is currently hovered.
Need to consider following features along with tooltip after the reordering