https://releases.groupdocs.com/viewer/net/release-notes/2026/Recent content in Release Notes - 2026 on Releases - groupdocs.comHugo -- gohugo.ioenhttps://releases.groupdocs.com/viewer/net/release-notes/2026/groupdocs-viewer-for-net-26-4-release-notes/Mon, 01 Jan 0001 00:00:00 +0000https://releases.groupdocs.com/viewer/net/release-notes/2026/groupdocs-viewer-for-net-26-4-release-notes/This significant GroupDocs.Viewer for .NET 26.4 release contains a lot of new features, improvements, and bug fixes. Public API was also expanded in different parts to represent the new features. Full list of changes in this release Key Category Summary VIEWERNET‑5608 New feature Return mail message properties through specialized view info VIEWERNET‑5640 New feature Add and implement support of HorizontalResolution and VerticalResolution for SpreadsheetOptions VIEWERNET‑5605 Enhancement Add support of xml-stylesheet processing instruction VIEWERNET‑5624 Enhancement Improve CSS color parsing and serialization VIEWERNET‑4748 Bug `“Could not load file.