With the most recent Acrobat Pro version issue is the same: it doesn't show the XMP information form PDF.
However, when saving it with 'Save...' the complete data is there.
Acrobat Pro version 2024.003.20180, 64-bit
Open PDF > 'Document Properties' > 'Additional Metadata ...' > 'Advanced' > only generic headers displayed with no metadata information of the PDF currently opened.
With the most recent Acrobat Pro version issue is the same: it doesn't show the XMP information form PDF.
However, when saving it with 'Save...' the complete data is there.
Acrobat Pro version 2024.003.20180, 64-bit
Open PDF > 'Document Properties' > 'Additional Metadata ...' > 'Advanced' > only generic headers displayed with no metadata information of the PDF currently opened.