GroupDocs.Viewer 版本發佈

GroupDocs檔案檢視器.NETJavaJavaScript
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查看各個版本中的最新內容，包含功能、增強與已解決問題的詳細資訊。

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GroupDocs.Viewer for .NET V26.9主要版本2026年10月6日
功能
  • Reduced count reading/seeking operations on a stream when processing PDF files.
修正
  • Copied characters are missing when converting PPTX to HTML.
  • PDF to HTML: Rendering HTML file results in losing graphical elements in resultant document.
  • PDF to HTML conversion renders footer graphic incorrectly.
  • Object reference not set to an instance of an object exception when rendering PPTX on Linux.
  • Default font is not applied when rendering CAD files.
  • Unhandled Exception / crash when converting PPT to HTML in .NET.
  • Solved multiple issues during TEX files rendering.
  • Solved multiple errors while rendering EPS files.
  • Solved exceptions with IGS files.
  • Fixed exception when rendering the PS file.
  • Exceptions during rendering CAD formats.
GroupDocs.Viewer for Python via .NET V26.9主要版本2026年9月25日
功能
  • Added WordProcessingOptions.page_number_location and the WordsPageNumberLocation enum to stamp page numbers on rendered Word documents.
  • Added WordProcessingOptions.horizontal_resolution / vertical_resolution to set the DPI of PNG and JPEG output for Word documents.
  • Added support for rendering Microsoft Project files (MPP, MPT, MPX) on Linux and macOS.
  • Updated GroupDocs.Viewer engine from 26.4 to 26.8.
  • Updated the embedded .NET runtime from 10.0.0 to 10.0.12.
  • Removed the libgdiplus / mono-libgdiplus requirement on Linux and macOS.
  • Ship the same Python API on every platform - The Linux and macOS packages gain ProjectManagementOptions and the Project, Photoshop, Illustrator and OneNote FileType members.
  • Added docstrings with summaries, parameters and code examples to the Python API.
  • Added a Developer Guide section to the API reference.
修正
  • Cannot use the package on Python 3.5 - 3.7.
  • pip installs the package on Linux and macOS versions that cannot run it.
GroupDocs.Viewer for Node.js via Java V26.9主要版本2026年9月19日
功能
  • Added Open Fixed-layout Document (OFD) file-format support.
  • Implemented exposing of annotations in PDF that are hidden by default during rendering.
  • Added the ability to specify horizontal and vertical resolution in WordProcessing options while rendering WordProcessing documents to raster formats.
  • Added page numbering for WordProcessing documents during rendering.
  • Improved viewing archive files with external resource.
修正
  • Archive name is not displayed correctly.
  • Special characters incorrectly rendered and table borders are missing while converting EML to HTML and raster formats.
  • Issue with missing comments while rendering PDF.
  • DOCX to HTML rendering is incorrect with Arabic characters and EnableOpenTypeFeatures option enabled.
  • EPSF format support is limited. An error occurred while parsing the EPSF file content.
  • Mismatch between actual dimensions of rasterized archives and calculated by GetViewInfo.
GroupDocs.Viewer for Java V26.9主要版本2026年9月18日
功能
  • Added Open Fixed-layout Document (OFD) file-format support.
  • Implemented exposing of annotations in PDF that are hidden by default during rendering.
  • Added the ability to specify horizontal and vertical resolution in WordProcessing options while rendering WordProcessing documents to raster formats.
  • Added page numbering for WordProcessing documents during rendering.
  • Improved viewing archive files with external resource.
修正
  • Archive name is not displayed correctly.
  • Special characters incorrectly rendered and table borders are missing while converting EML to HTML and raster formats.
  • Issue with missing comments while rendering PDF.
  • DOCX to HTML rendering is incorrect with Arabic characters and EnableOpenTypeFeatures option enabled.
  • EPSF format support is limited. An error occurred while parsing the EPSF file content.
  • Mismatch between actual dimensions of rasterized archives and calculated by GetViewInfo.
GroupDocs.Viewer for .NET V26.8主要版本2026年9月1日
功能
  • Implemented TFM-Split NuGet Packaging for GroupDocs.Viewer.
  • Implemented exposing of annotations in PDF that are hidden by default during rendering.
  • Added the ability to specify horizontal and vertical resolution in WordProcessing options while rendering WordProcessing documents to raster formats.
  • Added page numbering for WordProcessing documents during rendering.
修正
  • Special characters incorrectly rendered and table borders are missing while converting EML to HTML and raster formats.
  • Issue with missing comments while rendering PDF.
  • Bug DOCX to HTML rendering is incorrect with Arabic characters and EnableOpenTypeFeatures option enabled.
  • EPSF format support is limited. An error occurred while parsing the EPSF file content.
  • Mismatch between actual dimensions of rasterized archives and calculated by GetViewInfo.
  • [UI] Groupdocs viewer 8.0.7/8.1.x - Pages not loaded in viewer are not available in print preview.
GroupDocs.Viewer for Node.js via Java V26.5主要版本2026年6月6日
功能
  • Added the ability to return mail message properties through specialized view info.
  • Added support for xml-stylesheet processing instruction.
  • Improved CSS color parsing and serialization.
修正
  • "Could not load file. File is corrupted or damaged." error during call 'viewer.View' for the DXF file.
  • Fixed bug with exception while loading specific DXF file to Viewer on Windows only.
  • Missing Chinese characters when rendering EML to PDF.
  • Bad performance for some pages when rendering PDF to HTML and PNG.
  • GroupDocsViewerException while rendering PPT and PPS to any format.
  • 5-digit row numbers overlap right sibling cells and AutoFit is not applied for long textual cells when rendering Spreadsheet to HTML.
  • WinDing font is not preserving while converting XLS to HTML.
  • Exception during detection of raw URIs in mail message body.
  • Default font is not applied when detection and wrapping of raw URIs in mail message body is working.
  • Unable to cast object of type 'Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities.IfcFacetedBrep'.
GroupDocs.Viewer for Java V26.5主要版本2026年6月5日
功能
  • Added the ability to return mail message properties through specialized view info.
  • Added support for xml-stylesheet processing instruction.
  • Improved CSS color parsing and serialization.
修正
  • "Could not load file. File is corrupted or damaged." error during call 'viewer.View' for the DXF file.
  • Fixed bug with exception while loading specific DXF file to Viewer on Windows only.
  • Missing Chinese characters when rendering EML to PDF.
  • Bad performance for some pages when rendering PDF to HTML and PNG.
  • GroupDocsViewerException while rendering PPT and PPS to any format.
  • 5-digit row numbers overlap right sibling cells and AutoFit is not applied for long textual cells when rendering Spreadsheet to HTML.
  • WinDing font is not preserving while converting XLS to HTML.
  • Exception during detection of raw URIs in mail message body.
  • Default font is not applied when detection and wrapping of raw URIs in mail message body is working.
  • Unable to cast object of type 'Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities.IfcFacetedBrep'.
GroupDocs.Viewer for Python via .NET V26.5主要版本2026年5月21日
功能
  • Built the Linux and macOS wheels on GroupDocs.Viewer.CrossPlatform for native cross-platform rendering.
  • Document per-platform format support - The Project Management family renders on Windows only.
  • Added a platform note to the in-package AGENTS.md and the Supported File Formats page.
  • Reviewed and updated related documentation topics.
GroupDocs.Viewer Product Family Update2026年5月1日
GroupDocs.Viewer for Python via .NET V26.4主要版本2026年4月24日
功能
  • Added Python 3.14 support.
  • Starting with this release, the pip package bundles a machine-readable AGENTS.md file at groupdocs/viewer/AGENTS.md. AI coding assistants that scan installed packages (Claude Code, Cursor, GitHub Copilot, and others) can discover the API surface, usage patterns, and troubleshooting tips without any extra configuration.
  • New documentation page - Agents and LLM Integration (MCP server, machine-readable docs, AI pipelines).
  • Public API expansion - Added new font-inspection API, stream-factory interfaces, drawing enums, search options, and format-specific *ViewInfo results.
  • Reviewed public API.
  • Simplified wheel distribution: four wheels per release (Windows x64, Linux x64, macOS Intel, macOS Apple Silicon).
GroupDocs.Viewer for .NET V26.4主要版本2026年4月22日
功能
  • Added the ability to return mail message properties through specialized view info.
  • Added and implemented support of HorizontalResolution and VerticalResolution for SpreadsheetOptions.
  • Added support for xml-stylesheet processing instruction.
  • Improved CSS color parsing and serialization.
修正
  • '"Could not load file. File is corrupted or damaged."' error during call 'viewer.View' for the DXF file.
  • Fixed bug with exception while loading specific DXF file to Viewer on Windows only.
  • Missing Chinese characters when rendering EML to PDF.
  • Bad performance for some pages when rendering PDF to HTML and PNG.
  • GroupDocsViewerException while rendering PPT and PPS to any format.
  • 5-digit row numbers overlap right sibling cells and AutoFit is not applied for long textual cells when rendering Spreadsheet to HTML.
  • Wingding font is not preserving while converting XLS to HTML.
  • Exception during detection of raw URIs in mail message body.
  • Default font is not applied when detection and wrapping of raw URIs in mail message body is working.
  • Unable to cast object of type 'Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities.IfcFacetedBrep'.
  • [UI] Viewer doesn't load document with lot of 404s for /get-page calls.
  • [UI] GroupDocs viewer (8.1.3) - Problems with print loader popup.
GroupDocs.Viewer Product Family Update2026年4月1日
GroupDocs.Viewer for Java V26.3主要版本2026年3月25日
功能
  • Added the option to render placeholders in headers and footers of a slide.
  • Implemented detection and wrapping of raw URIs in mail message body.
修正
  • Content added to PowerPoint footer is not visible when rendering to all output formats.
  • Incorrect rendering of Arabic fonts when converting DOCX to PDF.
  • Slow rendering speed PDF to HTML.
  • Malformed text during saving PDF to HTML when custom DefaultFontName is applied.
  • Intermittent character rendering errors on Windows Server 2019.
  • PDF to HTML - Text not converted correctly.
  • Incorrect processing of explicit page numbering during consecutive calls for Spreadsheet formats family.
  • Invalid WordProcessing document generation in trial mode with explicitly specified page number is out of trial limit.
  • PDF rendering is completely broken.
  • TIFF rendering throws exception with cross-platform viewer on Linux.
  • PDF file displayed incorrectly, with letters changed and lines shifted.
  • Invalid WordProcessing to PDF view generation in licensed mode when passed a page number greater than the total number of pages in the document.
  • Formatting of numbers, datetimes and money values is broken when converting PDF to HTML.
  • PDF to HTML - Whole resultant file become link.
  • Hyperlinks in email body are not clickable.
  • XLSX to HTML - Autofit is not applied for row number.
  • NullPointerException in font resolution on Docker due to missing LOCALAPPDATA.
  • Excel rendering produces low-resolution text compared to PDF when converting to JPG (or PNG).
GroupDocs.Viewer Product Family Update2026年1月6日
GroupDocs.Viewer for Node.js via Java V25.12主要版本2026年1月5日
功能
  • Added support for latest versions of Node.js and Java.
  • Synchronized documentation and GitHub code examples.
  • Converted documentation code examples into standalone scripts.
  • Added 'Running in Docker' documentation' topic.
修正
  • EPS to JPG file conversion produces blank white image.