GroupDocs.Annotation Releases

GroupDocsDocument & Image Tools.NETJavaMono Component

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

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GroupDocs.Annotation for .NET V26.6Major versionJun 15, 2026
Features
  • NuGet package has been split into per-target-framework runtime packages (adds .NET 6 and .NET 8).
  • Upgraded the underlying document engines.
  • Spreadsheet text-replacement font colour must now be set explicitly.
Fixes
  • Fixed image annotations failing on presentations (PPTX).
  • Fixed Visio (Diagram) area/redaction annotations rendering as empty outlines.
  • Fixed ArgumentOutOfRangeException when removing annotations from Visio documents with hyperlinks.
  • Fixed Diagram GetDocumentInfo returning no text lines.
  • Restore slide-preview generation for presentations.
  • Fixed System.NotImplementedException when annotating image files.
  • Fixed NullReferenceException when reading annotations from HTML documents with footnotes or endnotes.