Telerik Document Processing Libraries

Release History

Progress® Telerik® Document Processing 2026.1.210

February 11, 2026

What's New

NEW
  • [PREVIEW] Introduced Document Processing Agentic Tools enabling developers to seamlessly build document processing agentic workflows.
Dependencies
  • Telerik Licensing minimal required version is updated to 1.6.40.
  • Microsoft.Extensions.AI.Abstractions updated to 10.2.0.
  • Microsoft.SemanticKernel updated to 1.70.0.

DocumentProcessing

FIXED
  • Incorrect annotation border array is rendered instead of being skipped.
  • File format detection misidentifies .dot files as .doc/.txt.

PdfProcessing

NEW
  • PdfStreamSigner: Introduced TimeStamp server support.
  • Improved PDF digital signing to comply with European Commission validation requirements.
FIXED
  • Wrong transformation of glyph data.
  • SkiaImageFormatProvider: Blacked out images due to incorrectly resolved clipping.
  • SkiaImageFormatProvider: Black images are exported for certain pages.
  • An InvalidOperationException is thrown when parser incorrectly interprets delimiter characters within literal strings as structural tokens instead of string data.
  • Failing to load an image prevents the PDF document from loading properly.
  • CryptographicException is thrown when importing AES encrypted document with DocumentInfo.

SpreadProcessing

FIXED
  • LocalizableException is thrown after removing columns from a workbook with set Print Titles.

WordsProcessing

FIXED
  • NullReferenceException is thrown when exporting a document with custom geometry.

Telerik Document Processing Libraries

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