Welcome to the Xceed 2026 v3 release, packed with updates to our Bibliothèque PDF et Words pour .NET. The standout feature in this release is the additions to PDF Library 3.1, introducing PDF/A standard validation options that enhance document fidelity across standards.

PDF Library 3.1

This release has overhauled how paint objects are handled, replacing the old SolidColorBrush with new RGBPaint and GrayPaint classes. You now have more control over your PDFs with the ValidatePdfStandards() method in PdfDocument that aligns with PDF/A standards using the newly added PdfStandardOptions. We also improved PdfDocument.Validate() to return detailed validation results.

• Introduced RGBPaint and GrayPaint classes for Paint objects.
• ValidatePdfStandards() in PdfDocument to ensure compliance with PDF/A standards.
• Export images from individual files or collections to paths or streams.
• Added PdfA_2U, PdfA_3B, PdfA_3U, PdfA_4, PdfA_4F, and more profiles to PdfStandardOptions.
• PdfDocument.Validate() now returns PdfStandardValidationResult with error details.
• Fixes include proper handling of opacity, independent PDF manipulation, and improved parsing of raw PDF content.

Words for .NET 6.1

Version 6.1 of Words for .NET continues to improve document conversion and HTML content handling. The new property in the document class allows toggling the TrackChange option, providing more editorial oversight. Enhancements in MathML parsing mean HTML documents with mathematics are better integrated into Word documents.

• New TrackChangesEnabled property for document change tracking.
• AddHtmlContent() method in Paragraph for embedding HTML content.
• Enhanced HTML parser now supports MathML and MathJax conversions into Word equations.
• Fixed numerous issues in converting Word documents to PDF, including preserving TextBox margins and handling external fonts.
• Improvements in HTML content insertion, maintaining list structures and retaining image data.

Upgrade to these new versions via NuGet and explore the improvements that await your applications.