[BUG] xmpMM:DocumentID isn't unique at creation stage
When you create new documents, they all share the same XMP documentID value while you would expect it's unique for every single new document.
Saving the document solves the issue but it means one can't rely on documentID uniqueness while the document isn't saved.
It needs to be unique at the creation stage already.
Moving as a feature request. We generate an unique value only on file save. When you create a file it inherits all the attributes of the preset it uses. This is the reason you see the same uuid each time you create the document,