Release History

Progress® Telerik® Document Processing 2025.4.1104

November 12, 2025

What's New

NEW

• Telerik Document Processing AI Coding Assistant is extended with support for WordsProcessing, SpreadProcessing, SpreadstreamProcessing and ZIP Library. It now supports all libraries.
• [PREVIEW] GenAI-powered Document Insights for SpreadProcessing: Added support for querying and summarizing Workbook content using AI, enabling users to interact with and extract insights from Workbooks.
• Introduced extended digital signature support for the PdfProcessing library. You can now externally sign the document hash and also use a TimeStamp server.
• Introduced Export to JSON file format for the SpreadProcessing library.

Dependencies

• System.Security.Cryptography.Pkcs is updated to 9.0.9.
• SkiaSharp version is updated to 3.119.1.
• Added dependency to System.Text.Json 9.0.0.
• HarfBuzzSharp is updated to 8.3.1.2

Common

NEW

• CancelationTokenSourceFactory.CreateTokenSource(TimeSpan? timeSpan) now performs proper argument checking.

PdfProcessing

NEW

• Enabled Long-Term Validation (LTV).
• Introduced an API for externally signing the document hash.
• Introduced support for writing a RadFixedPage containing widgets using the PdfPageStreamWriter.WriteContent() method.
• Implemented Group 3, 2-D encoding for TIFF images (CCITTFaxDecode).
• Import of documents with invalid Creation or Modification dates is now handled.
• Provided support for the PAdES-BES signature standard.
• Introduced support for encrypting documents with an AES-128 algorithm.
• Provided support for /TR (Transfer Function) property of SMask.
• Added Comfort and Extended levels for the ZUGFeRD invoice.
• Introduced API for signing a document using a TimeStamp server.

FIXED

• The appearance of a form field button is lost after import-export operation.
• A solid line appears over the dashed lines when generating PDF from SVG diagram.
• SkiaImageFormatProvider: SMask.Matte is not applied correctly.
• An OutOfMemoryException is thrown when importing a large document with invalid cross-reference table.
• Object reference not set to an instance of an object is thrown when loading a PDF generated with PdfProcessing in PAC.
• A NullReferenceException is thrown when decoding the image with CCITTFaxDecode filter.
• Merging a document with RadioButtonFields throws ArgumentException: 'An item with the same key has already been added.
• Line width (LW) Graphic state property is lost on import.
• A KeyNotFoundException is thrown when importing a document with structure element that references a page that is not part of the page collection.
• Hidden fields appear after merging pdf documents.
• An encrypted documents with an AES-256 algorithm are opened as empty documents on Apple devices.
• Creating a document from an SVG image with a CapPathRound adds unexpected lines.
• An ArgumentNullException is thrown when importing a restricted, AES-encrypted document.
• An ArgumentException is thrown when importing a document with duplicated filed names.
• [WPF]A KeyNotFoundException when filing the fields in a specific document and saving it.
• An InvalidCastException is thrown and the form field is skipped when importing a document containing a single associated widget annotation (or terminal field) merged into the field dictionary.
• Underline is not properly exported when the paragraph has exact line spacing and the font size is small.
• The CIDToGIDMap value is exported as an indirect object when the value is a PdfString.
• When recalculated, the TextBox widget appearance is exported with the wrong text properties.
• Subscript text underline should be shifted down compared to normal text underline.
• An OutOfMemoryException is thrown when decoding large images with the CCITTFaxDecode filter.
• [WPF]More pages than document pages count are rendered when some page tree node is added multiple times in its Parent Kids collection.
• Highlight of the fields is lost on import.
• Fields are doubled according to ItextSharp after import/export. Update to itext version 9.2.0 or above to resolve this.
• Field border appearance is lost during import-export of the document.
• Adobe Reader corrupts the umlaut/diacritics characters when typing in TextBox field exported from PdfProcessing.

Breaking Changes

• Introduced timeout mechanism for TextFormatProvider, TextSearch, and TextPosition.

SpreadProcessing

NEW

• Introduced Export to JSON file format.
• [PREVIEW] Added support for querying and summarizing Workbook content using AI, enabling users to interact with and extract insights from Workbooks.

FIXED

• ConditionalFormattingRange's Formattings collection is not correctly enumerated when there are rules with intermittent ranges.

WordsProcessing

FIXED

• SdtBuilderFailureException when importing a document with picture SDT around a paragraph with bookmark and picture.
• Replace cannot match whole words with special characters at the start/end.
• Left indents with floating point values are imported as 0.
• InvalidOperationException when cloning a document containing fields spanning multiple paragraphs.
• Incorrect message when the found match is contained in several paragraphs.
• Hyperlinks with fragment identifiers are not resolved correctly.
• Exporting Header/Footer with a content control with multiple paragraphs leads to an empty document.