Post any defects you find in the released or beta versions of the ImageMagick software here. Include the ImageMagick version, OS, and any command-line required to reproduce the problem. Got a patch for a bug? Post it here.
If I add an IPTC profile using mogrify, it adds a TIFF tag 0x8649 which is actually a "Collection of Photoshop 'Image Resource Blocks'." and other programs don't see any profile attached to the file.