Release History

Progress® Telerik® Document Processing 2026.2.624

June 24, 2026

What's New

NEW

• The Agent Tools can convert to and from Markdown documents.

PdfProcessing

NEW

• Introduced support for Encryption Algorithm 7.
• Introduced support for Legacy X.509 RSA Signature.
• Introduced support for XRechnung compliance.
• OS-Based Automatic Font Resolution Fallback.
• Improved font handling during document export.

FIXED

• .NET Standard: ArgumentOutOfRangeException: 'Index was out of range. Must be non-negative and less than the size of the collection. (Parameter 'index')' during import.
• Bullet character lost after import/export round-trip.
• Fonts are not merged when merging documents.
• Image duplication after import-export when working with images that have different streams but same metadata.
• JavaScripts collection of RadFixedDocument is not cleared by StripJavaScriptActions export setting.
• Links in table cells are not correctly tagged.
• NetStandard: KeyNotFoundException when getting glyph for rendering when having Type 1 font.
• NetStandard: Mispositioned glyphs after import/export with non-embedded fonts.
• Newly created SignatureDataProperties object misses Contents initialization.
• NotSupportedException is thrown when encoding an image with Indexed color space.
• An OverflowException: 'Arithmetic operation resulted in an overflow.' is thrown when importing a document and endstream is not on a new row.
• SkiaImageFormatProvider: NullReferenceException is thrown when rendering a glyph (H22073) with not found GlyphData.
• Some signatures are displayed as invalid or unknown.
• Unable to obtain the value of incrementally updated fields.
• An empty glyph outlines collection when registered font with TrueType collection.
• Exception when merging file (PdfStreamWriter) that contains color spaces with specific data.
• Exported protected document containing SignatureField can not be opened.
• Page content is corrupted when merging pages whose content is an array of content streams.
• PdfStreamWriter: Incorrect file is produced when merging a stream more than 40 times.
• The casing of the font name should not be respected when comparing font names to find from collection.

SpreadProcessing

FIXED

• Number format for the chart axis is lost on import/export
• System.InvalidOperationException: 'The axes are incorrectly paired.'
• XlsxFormatProvider: System.NullReferenceException: 'Object reference not set to an instance of an object.' when importing a worksheet with images in .NET Standard.
• The WorkbookContentChanged event is not fired just after importing a document.
• ArgumentException thrown when file contains format string with modificator like [Color11] etc.

SpreadStreamProcessing

NEW

• SpreadStreamProcessing: Add support for AutoFilter.

WordsProcessing

NEW

• PdfFormatProvider: Export accessible PDFs.

FIXED

• Horizontal indentation before text is applied to after text as well.
• Arabic text's Font size and font family changes after export.
• HtmlFormatProvider: Multiple CSS classes on an element are not correctly resolved when converted to inline styles.
• HtmlFormatProvider: Width property defined in style is not respected in the element.
• PdfFormatProvider: OutOfMemoryException is thrown during PDF export of a document that has floating shapes whose wrap zones block vertical progress.
• PdfFormatProvider: OutOfMemoryException is thrown during PDF export of a document that has a paragraph indent larger than the cell width.
• PdfFormatProvider: Header/Footer containing a page break fails to export with StackOverflowException.
• RtfFormatProvider: Unable to open DOCX-exported document in MS Word due to large tab stop accumulation.
• Cell background is not inherited from table background.