Telerik Document Processing Libraries

Release History

Progress® Telerik® Document Processing 2026.3.923

September 23, 2026

What's New

NEW
  • Telerik Licensing minimal required version is updated to 1.9.2.

PdfProcessing

NEW
  • Introduced support for Font Registration from Stream to Reduce Caller Memory Usage.
FIXED
  • TextBox widget's appearance is misplaced when the text is long.
  • Endless loop on PDF export when empty string is assigned to text fields with no source /V and auto-sized default appearance.
  • PdfStreamWriter creates invalid AcroForm hierarchy when merging PDFs with form fields.
  • PdfStreamWriter: InvalidOperationException: 'isContentReleased' when appending pages with shared image content to a new document.
  • Wrapped table cell text is incorrectly split by hyphens (-).
  • High memory consumption when document contains many ImageXObjects and content streams.
  • Rotated widgets inside a rotated page are not properly exported and their values are invisible when showing the document.
  • SkiaImageFormatProvider: Wrong colors are rendered in DeviceN and Separation colorspaces due to incorrect calculations in Tint transformation function.

SpreadProcessing

FIXED
  • Rotated text does not increase the height of an autofitted row when exported to PDF.
  • XlsFormatProvider: InvalidDataException is thrown when importing a document with malformed compressed picture data in the drawing layer.
  • Removing or inserting rows/columns is slow.

WordsProcessing

FIXED
  • PdfFormatProvider: Text is exported with larger font size when it has a paragraph style linked to a character style with fixed size.
  • HtmlFormatProvider: Center alignment is not respected for list numbering.
  • Nested mail merge crashes when a merged value contains a newline.
  • PdfFormatProvider: Empty paragraphs are exported with bigger font size.
  • PdfFormatProvider: Export places fixed-position images on wrong page.
  • PdfFormatProvider: Export throws NullReferenceException after replacing text with HTML named anchors.
  • PdfFormatProvider: Missing table row content due to incorrect measurements after PDF export of specific document.
  • PdfFormatProvider: Paragraph-style tab stops are not fully ignored during export, causing unexpected tab positions.
  • RtfFormatProvider: Font set at paragraph/body level defaults to a fallback font.
  • HtmlFormatProvider: PlatformNotSupportedException thrown when trying to load image from URI in Blazor WASM.
  • PdfFormatProvider: Inherited (from style) and then locally cleared tab stops are respected.

ZipLibrary

NEW
  • Introduced support for importing archives without an end-of-central-directory record.

Telerik Document Processing Libraries

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