In a combo box there is an Action diagram code to set them with the a value, but it is not working.
The change in behavior is due to improvement in Fixed decimal Casting to string. This behavior is controlled by following application INI file.
[Misc Values] Numeric to Char Casting With Leading Zeros=False
By default the application INI property ‘Numeric to Char Casting With Leading Zeros‘ value is True. Set application INI property ‘Numeric to Char Casting With Leading Zeros‘ value to False, to revert the original behavior.