We’re happy to announce the release of GroupDocs.Viewer for .NET v26.9, available as of September 2026. This release focuses exclusively on bug fixes across all supported input and output formats, with one performance enhancement for PDF rendering. No public API changes are introduced in this version.
What’s new in this release
What’s new in this release
- [Enhancement] Reduce count reading/seeking operations on a stream when processing PDF files (VIEWERNET-3639)
- [Bug] Copied characters are missing when converting PPTX to HTML (VIEWERNET-5452)
- [Bug] PDF to HTML: Rendering HTML file results in losing graphical elements in resultant document (VIEWERNET-4743)
- [Bug] PDF to HTML conversion renders footer graphic incorrectly (VIEWERNET-5701)
- [Bug] Object reference not set to an instance of an object exception when rendering PPTX on Linux (VIEWERNET-4450)
- [Bug] Default font is not applied when rendering CAD files (VIEWERNET-4116)
- [Bug] Unhandled Exception / crash when converting PPT to HTML in .NET (VIEWERNET-4118)
- [Bug] Solve multiple issues during TEX files rendering (VIEWERNET-5795)
- [Bug] Solve multiple errors while rendering EPS files (VIEWERNET-5796)
- [Bug] Solve exceptions with IGS files (VIEWERNET-5797)
- [Bug] Fix exception when rendering the PS file (VIEWERNET-5798)
- [Bug] Exceptions during rendering CAD formats (VIEWERNET-5799)
Public API changes
Added
None
Modified
None
Removed
None
How to get the update
NuGet
Upgrade to the latest GroupDocs.Viewer package via NuGet. The TFM-split packaging automatically installs the correct platform-specific sub-package:
Direct download
Download assemblies from the GroupDocs.Viewer for .NET download page