The Pop-marking options tab in the Pop-mark Settings dialog box now has a new setting Consider zero diameter holes as pop-marks that writes zero diameter bolt holes as pop-marks. If you do not select this setting, the bolt holes will be written as normal holes with diameter zero. If you select the setting Show pop-marks in the model, the pop-marks for the zero-diameter bolt holes will also be visible in the model.
In the example below, the new setting Consider zero diameter holes as pop-marks has not been selected on the left. The option has been selected on the right:
In the example below, the pop-marks of the zero-diameter holes are shown in the model: