It seems working with EXIF like a game of whac-a-mole. Everyone have their own standards and when you settle one, something different show up some other place. To be fair to EXIF standards, this is not unique to EXIF. Even simple dateformat() are all over the place. CF9 and 10 ImageGetEXIFMetaData() function use metadata-extractor-2.4.0-beta-1 by Drew Noakes and current version is 2.6.4. (more..)