All pdf files are locked/read-only after latest update

[chrillek]

Searching for “pdfkit corrupted” turns up this

DT 3.91 Editing PDF documents not working anymore

Using DT 3.91: Editing PDFs does not work any more, neither in the context menu (greyed functions) see attached screenshot, nor using editing features in the bar above the document. It is not a problem of the document – editing with PDFexpert works fine, [Bildschirm­foto 2023-06-04 um 21.07.00]