Unplanned
Last Updated: 14 Jan 2025 13:52 by ADMIN
It seems the font that is rendered in Adobe is not the same. The document does not contain the font and Adobe and PdfViewer are fallbacking to different fonts.
Completed
Last Updated: 13 Feb 2026 09:39 by ADMIN
Release 2026.1.210 (2026 Q1)
Created by: Desislava
Comments: 0
Category: PdfProcessing
Type: Bug Report
0
It seems there is an issue when transforming the position of the original glyph data
Completed
Last Updated: 22 May 2025 13:36 by ADMIN
Release 2025.2.520 (2025 Q2)
As a result, the glyphs are not measured and arranged properly. The issue applies to TrueType and Type1 fonts.
Unplanned
Last Updated: 08 Jan 2025 11:40 by Ken

Add support for actions with invalid Subtype casing.

Example: The action Subtype being "Javascript" instead of the expected "JavaScript".

Completed
Last Updated: 12 Feb 2025 15:20 by ADMIN
Release 2025.1.205 (2025 Q1)

When a PDF document is being imported, some of the characters may experience unexpected results while reading the font.

NOTE: the document is displayed in the MAUI/WPF/WinForms PdfViewer controls with missing parts of the text.

Completed
Last Updated: 12 Feb 2025 15:19 by ADMIN
Release 2025.1.205 (2025 Q1)

When exporting the pdf pages as images with the Skia engine, some parts of the document got missing.

Note: In the previous Version 2024.3.806 these parts appeared.

Completed
Last Updated: 12 Feb 2025 15:21 by ADMIN
Release 2025.1.205 (2025 Q1)

An ArgumentNullException is thrown when importing a document with a missing required MediaBox operator in the Page object ("ArgumentNullException: 'Value cannot be null.")

Unplanned
Last Updated: 20 Dec 2024 09:28 by Robot B9
Created by: Robot B9
Comments: 0
Category: PdfProcessing
Type: Feature Request
1

Add support for Arrange Options (level placement):

  • Bring to Front
  • Send to Back
  • Bring Forward
  • Send Backward
Completed
Last Updated: 12 Feb 2025 15:21 by ADMIN
Release 2025.1.205 (2025 Q1)
ArgumentNullException is thrown when importing a document with missing indirect reference object.
Completed
Last Updated: 12 Feb 2025 15:21 by ADMIN
Release 2025.1.205 (2025 Q1)
Created by: Rob
Comments: 2
Category: PdfProcessing
Type: Feature Request
2
Add support for Named Actions.
Completed
Last Updated: 12 Feb 2025 15:20 by ADMIN
Release 2025.1.205 (2025 Q1)
When importing a document, the following error message is observed when reading the Arial, Italic font: System.InvalidCastException: 'Unable to cast object of type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Types.PdfLiteralString' to type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Types.PdfName'.'
Completed
Last Updated: 12 Feb 2025 15:20 by ADMIN
Release 2025.1.205 (2025 Q1)
NullReferenceException is thrown when importing a file with explicitly set UserInterfaceName annotation property to null.
Completed
Last Updated: 12 Feb 2025 15:21 by ADMIN
Release 2025.1.205 (2025 Q1)
"An error exists on this page. Acrobat may not display the page correctly." error in Adobe when inspecting a page with DeviceGray ColorSpace image after import-export.
Completed
Last Updated: 12 Feb 2025 15:20 by ADMIN
Release 2025.1.205 (2025 Q1)

When loading some PDF documents with German culture, part of the text got missing.

Workaround: set English culture before loading the document

Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("en-US");

Completed
Last Updated: 24 Jul 2026 06:10 by ADMIN
Release 2026.2.723 (2026 Q2)
Created by: Andrew
Comments: 1
Category: PdfProcessing
Type: Feature Request
2

When importing a document with button field with missing type, an error occurs.

51 0 obj
<< /Kids [ 70 0 R 71 0 R 72 0 R 73 0 R 74 0 R 75 0 R 76 0 R 77 0 R 78 0 R 79 0 R 80 0 R 81 0 R 82 0 R 83 0 R 84 0 R 85 0 R 86 0 R 87 0 R 88 0 R 89 0 R 90 0 R 91 0 R 92 0 R 93 0 R 94 0 R 95 0 R 96 0 R 97 0 R 98 0 R 99 0 R 100 0 R 101 0 R 102 0 R 103 0 R 104 0 R 105 0 R 106 0 R 107 0 R 108 0 R 109 0 R 110 0 R 111 0 R 112 0 R 113 0 R 114 0 R 115 0 R 116 0 R 14 0 R ] /T (Button 70) >>
endobj

Workaround: Handle the exception: https://docs.telerik.com/devtools/document-processing/libraries/radpdfprocessing/features/handling-document-exceptions 

Completed
Last Updated: 12 Feb 2025 15:21 by ADMIN
Release 2025.1.205 (2025 Q1)
ADMIN
Created by: Martin
Comments: 5
Category: PdfProcessing
Type: Feature Request
1

RadPdfProcessing currently supports interactive forms whose data is defined directly in the document. To preserve them when importing and exporting documents, add support for import-export interactive forms based on the Adobe XML Forms Architecture (XFA).

From PDF 2.0 the XFA forms are depreciated.

Completed
Last Updated: 12 Feb 2025 15:20 by ADMIN
Release 2025.1.205 (2025 Q1)
When cloning or merging a document containing a Link with Actions collection an exception is thrown: NullReferenceException: 'Object reference not set to an instance of an object.'
Completed
Last Updated: 26 Jan 2026 14:45 by ADMIN
Release 2024.4.1106 Q4 2024
When a Form with AlphaConstant and/or StrokeConstant contains a Path, alpha is applied to Form and Path, leading to a wrong transparency.
Completed
Last Updated: 12 Feb 2025 15:21 by ADMIN
Release 2025.1.205 (2025 Q1)
Completed
Last Updated: 26 Jan 2026 14:39 by ADMIN
Release 2024.4.1106 Q4 2024
StackOverflowException is thrown when applying filter for SVG.