There should be two different date fields on a document - the upload date (which is system generated), and a "Document Date" which the user can select when they upload the document (similar to selecting the category and document title). It would be really helpful to be able to filter based on document date rather than just the date the document was uploaded, especially as we bring in documents from previous CRMs. Right now, we're having to put the document date in the title of the document, which is clunky and time consuming.