photo:getDevelopSettings() returning inconsistent results for new fields

If you're using photo:getDevelopSettings(), see this report of an annoying bug with "new" develop fields such as "Contrast 2012" and "Blacks 2012":

http://feedback.photoshop.com/photoshop_family/topics/sdk_photo_getdevelopsettings_returni ng_inconsistent_results_for_new_fields?rfm=1