Telerik Document Processing Libraries

Release History

Progress® Telerik® Document Processing 2026.3.805

August 5, 2026

What's New

NEW
  • Introduced .NET 10-targeted assemblies in the package distribution and updated the NuGet package manifest to include .NET 10 as a supported target framework.
Breaking Changes
  • Updated namespaces to remove platform-specific (“Windows”) references, providing a cleaner, fully platform-agnostic API aligned with cross-platform .NET development.
Dependencies
  • Telerik Licensing minimal required version is updated to 1.9.0.

PdfProcessing

FIXED
  • Corrupted character spacing when exporting PDF/A document with embedded subset fonts.
  • Slow performance when opening a document containing many Path geometries in the content stream.

SpreadProcessing

NEW
  • Support for Array Formulas.
FIXED
  • ArgumentNullException when importing a document with a conditional formatting rule with no borders.
  • ArgumentNullException: 'Value cannot be null. Parameter name: key' when importing a document with null RadExpression entries
  • Setting values of cells referred from formulas causes performance issues due to memory leak.

WordsProcessing

FIXED
  • Cannot properly import a document that has duplicating xml definitions in the original and glossary documents.
  • Converting table with custom borders to PDF does not work.
  • LineInfo objects are not cleared when there are tables in the document being exported to PDF which leads to OutOfMemoryException.

ZipLibrary

FIXED
  • Reading password-protected archive with wrong password throws generic exception.

Telerik Document Processing Libraries

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