SkiaImageFormatProvider: Rectangle behind text overlaps the text of previous line.

RESOLVED: The issue is dismissed. The actual reason for the results is missing FontsProvider implementation. In order for accurate calculations and measurements the fonts used in the document need to be resolved correctly.

Handle import of documents with wrong type of action key.

Once this is completed use the Exceptions Handling mechanism to handle this scenario. For instance:

private void ImportSettings_DocumentUnhandledException(object sender, DocumentUnhandledExceptionEventArgs e)
{
    if (e.Exception is InvalidActionException)
    {
        

As a result of the below missing operator, some of the glyphs can't be extracted from the CFFFontTable and the characters are not displayed in the PdfViewer:

The end user result is missing letter from the PDF content.

Encoding table headers are preserved when creating subsets.

NullReferenceException is thrown when Find API is used on a newly created document.

Workaround: Export - Import the document before using the Find API

PdfFormatProvider pdfFormatProvider = new PdfFormatProvider();
byte[] exportedDocument = pdfFormatProvider.Export(document);
document = pdfFormatProvider.Import(exportedDocument);

Support for FileAttachment annotations. 

A file attachment annotation contains a reference to a file, which typically is embedded in the PDF file.