查看各个版本中的新增内容，包括功能、增强和已解决问题的详细信息。
GroupDocs.Conversion for .NET V26.9主版本2026年9月30日
功能
- Added WIM as a conversion source for compression documents.
- Added Apple Archive (AAR) as a conversion source and target for compression documents.
- Added ALZ as a conversion source for compression documents.
- Added GeoJSON Text Sequence as a conversion source for GIS documents.
- Added KMZ as a conversion source for GIS documents.
- Added GIS conversion support to the net462 target framework.
- Added GML and OSM XML as conversion targets for GIS documents.
- Added the ability to convert a presentation to a self-contained HTML slideshow.
- You can now apply each frame's own page size and resolution when converting multi-page TIFF to PDF.
- You can now apply the frame's own page size and resolution when converting a multi-page TIFF page by page.
- You can now apply each frame's own page size and resolution when converting a multi-page TIFF to tagged PDF.
- Limited evaluation mode to 10 conversions per process.
- Removed the obsolete converter listener, fluent handler stages and page size properties.
修复
- PPTX to PDF: double underline and double strikethrough emit NaN coordinates on Linux.
- Converting a PDF with more than 4 pages fails in evaluation mode.
- Trial pages limit is not applied when converting PDF to Web.
- Return the correct page count for a multi-page TIFF.
GroupDocs.Conversion for Python via .NET V26.9主版本2026年9月21日
功能
- Added support for ConversionEvents to observe start, progress, per-page and per-document completion, failures and font substitution.
- Added support for new formats - XAR archives, draw.io diagrams and Mermaid (.mmd) diagrams.
- Added CadLoadOptions.layout_scope to restrict CAD conversion to model space, paper-space layouts, or both.
- Added MarkdownOptions.image_saving_callback to control where images extracted to Markdown are written.
- Added EmailLoadOptions.page_layout_options and WebLoadOptions.margin_settings / orientation_settings / size_settings.
- Added ImageConvertOptions.min_resolution and cap_resolution_to_page_content.
- Added WordProcessingLoadOptions.auto_detect_rtl_direction.
- Added MissingDependencyException for a clearer failure when an optional engine dependency is absent.
- Updated GroupDocs.Conversion engine from 26.3 to 26.8.
- Removed the duplicate groupdocs.conversion.file_types module - use groupdocs.conversion.filetypes.
- Renamed PdfOptions.remove_pdf_acompliance to remove_pdf_a_compliance.
- Added a Developer Guide section and groupdocs.conversion.integration.* pages to the API reference.
修复
- Cannot import module when using Python 3.5 – 3.7.
- Runtime error when passing Enum argument in Python versions 3.8 – 3.10.
- Indexer item on *DocumentInfo and PossibleConversions is a property and cannot be called.
- Delegate-typed properties cannot be assigned from Python (Object must implement IConvertible).
- Delegate-typed properties are annotated with the wrong type in stubs and docstrings.
GroupDocs.Conversion for .NET V26.8主版本2026年8月30日
功能
- Added Drawio file format as a conversion target for Diagram documents.
- Added Mermaid MMD file format as a conversion source for Diagram documents.
- Added CAB as a conversion target for compression documents.
- Added CadLayoutScope to CadLoadOptions which allows you to convert model space, paper layouts, or both.
- Added XAR as a conversion source and target for compression documents.
- You can now convert each CAD layout to its own slide, worksheet, Word page, HTML/MHTML image and SVG region.
- GroupDocs.Conversion will now name the missing layouts when a CAD layout selection matches nothing.
- Unset LoadOptions.Format is now reported as absent instead of throwing an exception.
修复
- DOCX Shapes with outlines are rendered incorrectly when converting to PDF.
- Converting Presentation file to PDF leads to inconsistent headers/footers.
- Converting Presentation file with broken summary links leads to GroupDocsConversionException.
- DWG file to PDF conversion per page sheet orientation settings.
- Fix NullReferenceException converting CAD drawings with no active layout.
- Fix double unit conversion when an explicit page size is set for CAD conversions.
- Fix CAD to PDF/UA ignoring CadLoadOptions.
- Fix CadDocumentInfo reporting one page for multi-layout CAD documents.
- Issue with thumbnail in Linux environment for GroupDocs.Conversion.
- EML to PDF: Incompatible unit types exception.
GroupDocs.Conversion for Java V26.7主版本2026年8月4日
功能
- Implemented handling of dynamic PDF forms.
- Improved retrieval of attachments which are detected as MSG.
- Implemented converting of PDF attached documents.
修复
- Fixed Web to PDF converting issue.
GroupDocs.Conversion for .NET V26.7主版本2026年8月1日
功能
- Added net*-windows target frameworks and Windows runtime NuGet packages.
- Added support for converting Publisher to WordProcessing.
- Added support for converting Publisher to Web.
- Added support for converting Publisher to Image.
- You can now auto-resolve dependency assemblies from the library folder on .NET Framework (no binding redirects required).
- Added support for converting Publisher to Presentation.
- Added support for converting Publisher to Page Description Language.
- Added support for converting Publisher to EBook.
- Added support for converting Publisher to Spreadsheet.
修复
- Optimized PDF to JPG conversion time.
- EML to PDF: Table content goes out of page.
GroupDocs.Conversion for Java V26.6主版本2026年7月1日
修复
- Fixed behavior for expired licenses.
- Fixed problem in 'email to email' saving.
- Fixed issue setting a watermark when converting to Web.
- Custom font folders not set when converting from PCL.
GroupDocs.Conversion for .NET V26.6主版本2026年6月29日
功能
- PDF to Markdown - You can now allow custom image extraction and placeholder insertion.
- Introduced ConversionEvents aggregator with per-call/global handler precedence.
- Added the OnFontSubstituted conversion event.
- Improved the ability to auto-detect RTL direction for DOCX with missing/incorrect bidi markup.
修复
- Spreadsheet to PDF conversions with SkipEmptyRowsAndColumns overlap text when the sheet has form controls.
- Corrupted characters in JPEG/TIFF output.
- Converting a particular XFA PDF to image hangs and does not produce any result.
- Problem converting publisher - Unable to load Aspose.PDF.
GroupDocs.Conversion for Java V26.5主版本2026年5月28日
功能
- Improved wordprocessing performance for documents without tracked changes.
- Implemented auto-detection of RTL direction for DOCX.
修复
- PDF to PDF/A: Missing character in word "treff" after conversion.
GroupDocs.Conversion for Python via .NET V26.5主版本2026年5月14日
功能
- Command-line interface - groupdocs-conversion console script: Installing the groupdocs-conversion-net package now also puts a groupdocs-conversion console script on your PATH. It is a thin wrapper over the Python API, built for shell pipelines, Make rules, CI steps, and one-off conversions where writing a Python script is overkill.
- You can now discover conversion targets by file extension via Converter.get_possible_conversions_by_extension(extension).
GroupDocs.Conversion Product Family Update2026年5月1日
GroupDocs.Conversion for Python via .NET V26.3主版本2026年4月16日
功能
- Added support for per-page conversion via 'convert_by_page(output_dir, convert_options)'.
- Added support for in-memory conversion via 'convert_to_stream(convert_options)'.
- Added Python 3.14 support.
- AGENTS.md is now shipped inside package for AI Agent integration.
- Format objects now expose .extension, .file_format, .description properties.
- Added an explicit macOS classifier in PyPI metadata.
GroupDocs.Conversion for Java V26.3主版本2026年4月1日
修复
- Fixed 'Out of Memory' error when converting from DOCX using the Text Shaper.
- Fixed image sizing issue in CAD to SVG conversion.
- Reference was not working when converting to Presentation format.
GroupDocs.Conversion for .NET V26.3主版本2026年3月31日
功能
- ICS Conversion: Adds native support for converting iCalendar (.ics) files, allowing users to transform calendar data directly into PDF, DOCX, and other target formats.
- Enhanced Font Substitution: Provides full font‑substitution for Publisher, Presentation, and Note documents, plus custom font folder and default‑font configuration, ensuring accurate rendering when original fonts are missing.
- Improved Email and Messaging Conversion: Fixes special‑character rendering in MSG‑to‑PDF, corrects embedded image handling in email conversions, and resolves .eml to PDF unit‑type errors, delivering reliable conversion of Outlook messages and email files.
- PDF/A‑1A Compliance and Recognition Mode Fixes: Corrects invalid ToUnicode tables in PDF/A‑1A output and aligns PdfRecognitionMode.Flow behavior with expected text flow, guaranteeing standards‑compliant PDFs and consistent text extraction.
- Stability and Layout Enhancements: Addresses scaling issues with ResizeMode.ScaleToFit, resolves HTML‑to‑PDF loading errors, fixes DCM/JFIF conversion failures, and eliminates memory leaks during PDF‑to‑WordProcessing conversions, resulting in more stable and predictable conversion workflows.
GroupDocs.Conversion Product Family Update2026年3月3日
GroupDocs.Conversion for Java V26.2主版本2026年3月3日
功能
- Implemented the ability to get the file extension from mediaType when converting children from Email/PST/OST.
- Introduced PageOrientation.Default to allow you to keep original document page orientations.
修复
- Fixed image lost issue when converting from DOCX to PDF.
GroupDocs.Conversion for Java V26.1.12026年2月25日
修复
- Converting Excel files with GroupDocs version 26.1 doesn't work.
GroupDocs.Conversion for Java V26.1主版本2026年2月4日
功能
- Added support for converting embedded documents when converting a word document.
- Added support for converting embedded documents when converting a presentation.
- Added support for converting embedded documents when converting a spreadsheet.
修复
- Fixed missing shapes when saving DOCX to RTF.
- Fixed font substitution issue.
- Fixed external resources loading logic.
- Fixed work of the updateFields property.
GroupDocs.Conversion Product Family Update2026年2月3日
GroupDocs.Conversion for .NET V26.1主版本2026年1月30日
功能
- Added support for the FlatOpc (flat XML) format.
修复
- PDF with image cannot be converted properly to Excel.
- Could not load file or assembly 'Aspose.Drawing, Culture=neutral, PublicKeyToken=null'.
- Stamp replaced with "Draft" when converting PDF with MarginSettings enabled.
- Fixed diagram watermark resource loading not working after obfuscation.
- Fixed SSRF and NTLM credential leak vulnerabilities in document conversion.
- Table of Contents getting updated during conversion without setting updateFields to true.
- Excel FlatOPC cannot be converted to SVG and SVGZ.
GroupDocs.Conversion Product Family Update2026年1月6日
GroupDocs.Conversion for Java V25.12主版本2026年1月5日
功能
- Implemented setup number of rows per page for the Spreadsheet.
- Implemented configurable font embedding when converting to WebFileTypes.
- Added remove JavaScript flag in PdfLoadOptions.
修复
- Fixed DWG to PDF conversion - blank output.
- Fixed formatting multilevel list issue on DOCX to PDF conversion.