Viewing filled in form fields not working in Safari

[jsa061]

If you have a form, with a form field, and use Pdf Sharp Core to fill inn the form field, it will not show when you open the PDF in safari.

Steps to reproduce

Create a form with a form field. Adobe acrobat => tools => prepare form.

Fill in form field with Pdf Sharp Core ( .net 7)

        var pdf = PdfReader.Open("C:\\PdfSharpCore\\FullNameForm.pdf", PdfDocumentOpenMode.Modify);
        var form = pdf.AcroForm;

        form.Elements.Add("/NeedAppearances", new PdfBoolean(true));

        var pdfTextFieldFullName = (PdfTextField)(form.Fields["FullName"]);

        pdfTextFieldFullName.Value = new PdfString("Justin Sand", PdfStringEncoding.PDFDocEncoding);
        pdfTextFieldFullName.ReadOnly = true;
        pdf.Save("c:\\PdfSharpCore\\FullName.pdf");
        pdf.Close();

PDF in Safari

Pdf in Chrome:

[maattss]

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