XMP and workflow of different applications

[Deneice (French photographer | PL7, Film Pack 6 and NIK 7 suite user)]

I did a test to verify the cross compatibility between ON1photoRaw 2021, XnVMP and DXO PL4. Here are my results in this page…
https://forum.dxo.com/t/possibility-to-add-or-change-metadatas/16618/11?u=deneice