The ComboBox (string) element for UMG is not correctly displaying, The array options do not appear and can not be selected, for the packaged build, while PIE behaves as expected.
This is a regression from 4.15.2 build
Result: The ComboBox does not display the array options and cannot be selected
Expected Result: The ComboBox does display the array options and can be selected
Head over to the existingAnswerHub thread and let us know what's up.