Release History

Progress® Telerik® Document Processing 2025.3.1007

October 8, 2025

What's New

FIXED

• Introduced a Telerik Document Processing AI Coding Assistant for the PDF Processing library, which can be used through an MCP server.

PdfProcessing

FIXED

• TextFormatProvider: Extra character spacing occurs after export.
• Registered fonts are lost when the code is executed on multiple threads.
• PDF/A-1a and PDF/A-2b fails VeraPdf verification when there is an element with opacity exported (StrokeAlphaConstant).
• An OutOfMemoryException: Insufficient memory to continue the execution of the program when importing a document larger than 2.1 GB.
• ListBoxField selection is lost after import-export when the normal appearance contains MarkedContent with an empty properties dictionary.
• An InvalidCastException is thrown when importing a document with structure attribute that has a version number.
• InvalidCastException is thrown when importing a document with a structure element with an indirect reference to an integer value.
• An ArgumentException is thrown when exporting a document with a Unicode character in the Document Info.
• Stream is not disposed from PdfStreamWriter or PdfFileSource classes when the Dispose method is not called explicitly.
• A NullReferenceException is thrown when RecalculateContent is called on the VariableContent widget with OpenTypeFont.
• Wrongly embedding Standard Fonts when PdfComplianceLevel.None.

SpreadProcessing

FIXED

• DataBar conditional formatting with middle axis cannot be created.
• ArgumentNullException: 'Value cannot be null. (Parameter 'key')' while importing a document with shared formulas and conditional formatting.

SpreadStreamProcessing

FIXED

• Appending content to an existing workbook results in a corrupted document.

WordsProcessing

FIXED

• PdfFormatProvider: Tables should ignore the fixed preferred width with the value of 0.