GroupDocs.Signature Releases

GroupDocsData Protection Tools.NETJavaJavaScriptMono Component

Learn what's new across releases, with details of features, enhancements, and resolved issues.

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GroupDocs.Signature for .NET V26.6Major versionJul 1, 2026
Features
  • Added the ability to support and respect OOXML compliance for WordProcessing documents.
  • Added multi-framework NuGet packaging and TFM-split packages.
  • Refactored trial license limits.
  • Internal improvements.
GroupDocs.Signature for Java V26.5Major versionMay 29, 2026
Features
  • Added a Resolution property to PreviewOptions.
  • Added a ICustomSignHash plug-in for PDF digital signing.
  • Added search and verify methods with Predicate filters.
  • Added PDF permissions and security on save.
  • Added UseLtv support for PDF digital signatures (Long Term Validation).
  • Added digital signing of raster images via LSB steganography.
  • GroupDocs.Signature can now handle Word documents with large text shapes spanning multiple pages.
Fixes
  • Fixed invisible image in PDF digital signature.
  • Respect existing digital signatures when adding new ones to PDF.
  • Recognize legacy barcode type names when matching persisted signatures.
  • Fixed "file type not supported" while searching signatures in WEBP images.
GroupDocs.Signature Product Family UpdateMar 3, 2026
GroupDocs.Signature for .NET V26.2Major versionFeb 27, 2026
Fixes
  • Sign document error when using Azure Key Vault: DefaultSignatureLength parameter.
GroupDocs.Signature Product Family UpdateJan 6, 2026