Christiaan Hofman

property declaration

rename an enum value

rename field type to condition keey type

replace isDateCondition and isAttachmentCondition by fieldType

bind to fieldType with value transformer instead of using stringComparison

cache fieldtype of condition key in ivar

One thing you could have done wrong is copied the TypeInfo.plist file while BibDesk was running. That can lead to inconsistencies. Or perhaps there are permission problems with the copied file.

I really can't say anything based on this information. It cannot be just from this action.