Lightroom won't show the XMP file. Solution: Did you place it in the correct folder?
Try the Python function above, adjust namespaces to your organization’s needs, and start embedding cube metadata where it matters most. convert-cube-to-xmp
# Example: Adding a simple property ET.SubElement(xmp_root, "dc:creator", xmlns_dc="http://purl.org/dc/terms/").text = cube_metadata['creator'] Lightroom won't show the XMP file