Released: Mar 12, 2026

V26.2 での更新項目

機能

• Charts: Added the ability to set the orientation and rotation for both chart titles and axis titles.
• Mathematical Equations: Improved the rendering of EQ-matrix (MathML) elements for higher visual fidelity.
• Table Layout: Implemented the updated MS Word logic regarding the merging (or separation) of adjacent tables.

不具合の修正

• HTML to PDF conversion issue with the width of table's cell.
• Document table layout is wrong after rendering.
• Table layout is changed after rendering.
• Bar chart is rendered...

Released: Jan 28, 2026

V26.1 での更新項目

機能

• Document Merging: Added an option to the AppendDocument() method to explicitly define the SectionStart behavior for the first imported section.
• PDF Rendering: Extended PdfSaveOptions.PreserveFormFields functionality to be compatible with all PDF compliance standards (including PDF/A and PDF/UA).
• PDF Export: Implemented support for tagging PDF AcroForms to enhance document accessibility.
• Field Rendering: Improved displacement handling for EQ fields with updated layout logic for precise...

Released: Dec 18, 2025

V25.12 での更新項目

機能

• PDF Export: Implemented Base URI export into PDF to correctly resolve and handle relative hyperlinks within the exported documents.
• Font Rendering: Added robust support for Variable Fonts when saving documents to SVG and Html-Fixed formats. This ensures correct rendering of different font variations (including weight, width, and other parameters) defined within a single font file.
• Chart Rendering: Added support for rendering Funnel charts in documents.
• Field Rendering: Added support for...

Released: Nov 25, 2025

V25.11 での更新項目

機能

• AI Model Integration: Enhanced the API to allow configuration of AI model service endpoints, including setting custom URLs and request timeouts for greater flexibility in integration.
• Markdown Export: Improved document conversion fidelity by enabling the export of OfficeMath objects into LaTeX format, ensuring compatibility with MarkItDown renderers.
• Advanced Print Control: Introduced a new callback interface (IWarningCallback style) to enable programmatic control over page skipping during...

Released: Nov 10, 2025

V25.10 での更新項目

機能

• Text Export: Enhanced plain text conversion by adding the ability to export Office Math objects as LaTeX expressions.
• PDF Export: Introduced a new save option for more precise control over the tagging of floating shapes as either inline or block-level elements.
• Markdown Export: Implemented a resource-saving callback, providing developers with greater flexibility in managing how images and other resources are exported.
• PDF/UA Export & Accessibility: Improved compliance by correctly tagging...

Released: Sep 25, 2025

V25.9 での更新項目

機能

• Document Loading: Introduced a new 'RecoveryMode' option for greater control when opening corrupted documents.
• Shape & Text Formatting: Enhanced control over shadow effects with the addition of new public properties.
• Markdown Export: Added support for exporting mathematical equations (Office Math) to LaTeX expressions.
• Font Handling: Improved diagnostics by introducing typed warnings for font substitution, allowing for more robust error handling.
• You can now get a list of all used and...

Released: Aug 25, 2025

V25.8 での更新項目

機能

• Markdown Export: Added more control over how non-compatible tables are rendered when exporting to HTML.
• Find and Replace: Added a new option to ignore Office Math objects during search and replace operations.
• Markdown Import: Introduced a new option to specify the character for soft line breaks.
• Page Extraction: Added new options to provide greater control over the page extraction process.
• Provided the ability to replace in OfficeMath.
• Added the ability to preserve NUMPAGES fields after using...

Released: Aug 5, 2025

V25.7 での更新項目

機能

• AI Features: Added the ability to use self-hosted LLM implementations, allowing for greater privacy and control over AI-driven features.
• Replacing: Introduced the ReplacingArgs.MatchEndNode public property to provide developers with more precise control during text replacement operations.
• Table Management: Added the Row.Hidden public property, enabling the ability to programmatically show or hide specific rows within a table.
• Font Rendering: Implemented initial support for OpenType Font...

Released: Jun 23, 2025

V25.6 での更新項目

機能

• Multi-Page Export: Added multi-page export to raster image formats (PNG/JPG/etc.) with customizable layouts (Horizontal/Vertical/Grid).
• MathML Connectors: Added rendering for connector lines in MathML, ensuring more accurate formula visualization.
• Math Formula Wrapping: Improved rendering to correctly wrap formulas with multiple slashes, enhancing layout clarity.
• Waterfall Chart Legends: Added legend rendering for "Waterfall" charts, improving data understanding and chart completeness.
• Added...

Released: May 23, 2025

V25.5 での更新項目

機能

• Chart Styling: Added the ability to set chart style.
• Markdown Export: Added the possibility to control how empty paragraphs are exported into Markdown.
• Provided an option to insert line break after every 76 characters in the base64 image representation.
• Text box content is now marked with textbox tag.
• Added support for rendering Waterfall ChartEx.
• Added support for MSO properties during import paragraphs.
• Removed Microsoft.Win32.Registry dependency for .NET 6 and later.
• Improved default...