OutOfMemoryException is thrown when importing a large document with invalid cross-reference table.

When a Pdf document contains TextBoxFields some of which are hidden and you merge it with another document, the hidden state is reset and the field appears in the merged document:

Before:

After:

 

System.ArgumentException: 'An item with the same key has already been added. Key: Telerik.Windows.Documents.Fixed.Model.InteractiveForms.RadioButtonField'

It is reproducible when you have at least 2 pages with RadioButtonFields. The import operation goes smoothly. However, merging or removing a page after import leads to the described error.

Add support for /TR (Transfer Function) property of SMask.

The Standard Fonts are wrongly embedded when the None PdfComplianceLevel is set.

KeyNotFoundException is thrown when importing a document with a structure element that references a page that is not part of the page collection.

ArgumentNullException is thrown when importing a restricted, AES-encrypted document.

Solid lines appear over dashed lines when generating PDF from SVG diagram.

Creating a document from an SVG image with a CapPathRound (stroke-linecap="round") adds unexpected lines.

InvalidCastException is thrown when importing a document with a structure element with an indirect reference to an integer value.

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.Elements.MarkedContents.StructElementObject'.'

When the Normal appearance of the ListBoxField containing MarkedContent with an empty properties dictionary, the selection is lost.

ArgumentException is thrown when exporting a document with a Unicode character in the Document Info

Error message: 

Unable to cast object of type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Types.PdfInt' to type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Elements.MarkedContents.StructAttributeObject'.

PDF content:

Exported text content:

The appearance of a form field button is lost after import-export.

When you register a font in an ASP.Core project and in a static constructor, the generated PDF document will have this font only the first time you load the web page. Refreshing the page will generate the PDF document but the fonts will be lost.

Note: This worked in the previous version  2025.2.701.

 

When importing a document with an invalid creation or modification date, an exception is thrown:

• FormatException: 'The input string '' was not in a correct format.'
• ArgumentOutOfRangeException: 'Year, Month, and Day parameters describe an unrepresentable DateTime.'

When applying MultipleSubstFormat1, an exception is thrown: "NullReferenceException: 'Object reference not set to an instance of an object.'"

SMask.Matte is not applied correctly when exporting to an image.

The issue is not reproducible in Q1 2025 (2025.1.205).

In Q2 2025 we introduced the MarkedContent in a RadFixedDocument.