I converted a dynamic (XFA) pdf file to pdfa-1b.
After that I tried to validate with pdfbox preflight an got the following results:
7.2: Error on MetaData, CreationDate present in the document catalog dictionary doesn’…...not confirmed this yet and can only confirm it after reproducing...2026:02:13 15:14:58 After doc.save I only call doc.close and doc.dispose...