Released: Jun 10, 2026

Updates in 25.2.8

Fixes

PDF Document API

• PdfDocumentProcessor.AppendDocument throws System.NullReferenceException: 'Object reference not set to an instance of an object.'.
• "pdfaExtension" section is missing in the resulting PDF file with attached Zugferd Invoice.
• PdfDocumentProcessor can throw "System.ArgumentException: An item with the same key has already been added. Key: DevExpress.Pdf.PdfDocumentProcessor" on concurrent first-time instantiation.
• PdfDocumentConverter cannot process files with corrupt metadata.
• PdfDocumentProcessor uses incorrect font substitution for AcroForm fields on iOS.

Spreadsheet Document API

• Exception is thrown when setting the CellRange.Name property if the original document uses the R1C1 reference style.
• NullReferenceException occurs on an attempt to load a worksheet that contains the <exlLst> tag.
• NullReferenceException occurs on saving a Workbook containing a pie or doughnut chart loaded from an XLSX document.

Word Processing Document API

• HTML documents with an empty span incorrectly apply formatting settings to paragraphs following the empty span.
• NullReferenceException is thrown when specific SVG files are loaded.
• RichEditDocumentServer produces corrupt documents in environments that use ICU culture settings.
• Background thread exception is thrown when SubDocument.Delete method is called.
• System.ArgumentOutOfRangeException is thrown when the ExportToPdf method is called.
• Image from the original DOC document is rotated in the resulting PDF document.
• XtraRichEdit - Incorrect table layout when exporting to PDF.