A shading dictionary specifies details of a particular gradient fill, including the
type of shading to be used, the geometry of the area to be shaded, and the geometry of the gradient fill. Various shading types are available, depending on the value of the dictionary’s ShadingType entry:

• Coons patch meshes (type 6) construct a shading from one or more color
  patches, each bounded by four cubic Bézier curves.

This error happens when importing a document.

Error message: 

System.InvalidCastException: 'Unable to cast object of type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Elements.Forms.FormFieldsTree' to type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Types.PdfArray'.'

Error message:

System.InvalidCastException: 'Unable to cast object of type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Types.PdfArray' to type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Elements.Functions.FunctionObject'.'

Multiple graphic state objects are lost on import.

Import a document that contains a picture content control and the following error occurs: 

Telerik.Windows.Documents.Flow.Model.Annotations.StructuredDocumentTags.Builders.SdtBuilderFailureException: 'Picture control cannot be used in selection that contains any non-image content, or more than a single image.'

When importing a document with a missing "endobj" operator, an exception is thrown: InvalidCastException: 'Unable to cast object of type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Types.PdfInt' to type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Types.IndirectObject'.'

When trying to pass the ByteArray as an argument to PDFFormatProvider .Import I get the following error.

PdfFormatProvider provider = new PdfFormatProvider();
 RadFixedDocument fixedDocument = provider.Import(document.ByteArray);

System.NullReferenceException: Object reference not set to an instance of an object.
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Import.RadFixedDocumentImportContext.BeginImportOverride()
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Import.BaseImportContext.BeginImport(Stream pdfFileStream)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Import.PdfImporter.Import(Stream input, IPdfImportContext context)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.PdfFormatProvider.<>c__DisplayClass19_0.<ImportOverride>b__0()
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.ExceptionHandling.ExecutionHandler.TryHandleExecution[E](Action operation)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.PdfFormatProvider.ImportOverride(Stream input, CancellationToken cancellationToken)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.PdfFormatProvider.ImportOverride(Stream input)
   at Telerik.Windows.Documents.Common.FormatProviders.FormatProviderBase`1.Import(Stream input)
   at Telerik.Windows.Documents.Common.FormatProviders.BinaryFormatProviderBase`1.Import(Byte[] input)

I have attached the PDF I'm trying to import.

PdfFormatProvider: Add support for the "Automatically resize to fit contents" table property.

Multiple CSS classes on an element are not correctly resolved when converted to inline styles.

Before:

<p class="TelerikNormal TelerikHeading3"><span>Test</span></p>

Due to order priority, the TelerikHeading3 values override the TelerikNormal values. The font-size becomes 22.6666666666667px.

Convert:

After:
Result: TelerikHeading3 and its properties are ignored and not applied during the conversion to inline styles. The font-size is now 14.6666666666667px.

 

InvalidCastException is thrown due to incorrectly parsed stream dictionary.

ArgumentOutOfRangeException is thrown when creating a CapPathRound for an SVG element.

InvalidOperationException is thrown when a comment uses legacyDrawingHF element instead of legacyDrawing.

When the line spacing of the paragraph is set to "at least" and the line spacing value is smaller than the font size, Word makes the actual value of the line spacing to be larger in order not to squish the lines. During export to HTML, Word skips the line spacing in such case, in order to preserve the same effect. WordsProcessing exports the line spacing, which causes the lines to become squished.

When accessing AngleSharp.Css.Values.CssShadowValue.CssText on import, an exception is thrown: System.Security.VerificationException: 'Operation could destabilize the runtime.'

The COUNTA function counts cells containing any type of information, including error values and empty text ("")

https://support.microsoft.com/en-us/office/counta-function-7dc98875-d5c1-46f1-9a82-53f3219e2509 

Expose the argument values of existing conditional formatting rules. Currently, the argument values from the SingleArgumentConditionalFormattingRule and DoubleArgumentConditionalFormattingRule classes are internal.

When importing an existing document which contains a GoToR action, we should preserve the action even after exporting it.

Exporting a specific PDF file generates large amounts of ExtGState entries, which results in large file sizes.

When exporting the PDF content to plain text, the form fields and their values are not extracted. It would be nice to have an option to include the content in the form fields as well.