Released: Jun 15, 2026

Updates in V26.6

Funktionen

• 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.

Fehlerkorrekturen

• 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.