Released: May 23, 2025

V25.5 中的更新

特性

• Implemented the export to HTML5 in handout mode.
• Added the ability to detect whether a picture frame is a Cameo object - a special shape in PowerPoint linked to the user's camera feed.
• You can now merge PowerPoint documents using Azure functions.
• Improved inserting long HTML pages to presentation slides.

修补程序

• EMF image is missing when converting PPTX to PDF.
• Some animation effects are missing when creating frames from slides for video.
• PPTX/PPT to Markdown: HTML-encoded characters should be...

Released: Apr 9, 2025

V25.4 中的更新

修补程序

• Page numbers are cut off when converting PPTX to PDF.
• Incorrect bullets and numbering after PPT to PPTX conversion.
• Incorrect Chinese numbering and bullet alignment when converting PPT to PDF.
• Text Options tab is missing when saving PPT in PPT/PPTX formats.
• Extracted SVG color mismatch compared to PowerPoint.
• Underline overlaps text when converting PPT/PPTX to PDF.
• Process gets stuck and eats up CPU and memory when loading a PPTX file.
• Missed text box and incorrect font size after PPTX to...

Released: Mar 10, 2025

V25.3 中的更新

特性

• Added the option to remove JavaScript when converting presentations to HTML.
• Implemented a method for retrieving text based on column settings.
• Added support for extracting captions from videos.
• Added the ability to specify JPEG quality when saving images.
• Implemented support for the 'DisableFontLigatures' property in IHtml5Options.

修补程序

• GetThumbnail method is locked in multi threads while converting slides to images.
• Fixed error changing file links in presentations to relative links...

Released: Feb 11, 2025

V25.2 中的更新

特性

• Added support for 'Trim Audio' settings in PowerPoint presentations.
• Added support for getting the volume value from audio frames.
• Added support for extracting Fade In and Fade Out settings from audio frames.

修补程序

• Merged letters in word when saving presentation to HTML and PNG.
• Quality of thumbnails is very poor when converting shapes to images.

Released: Jan 20, 2025

V25.1 中的更新

特性

• Added support for importing embedded fonts from PDF.
• Added a permanent method for SVG to EMF conversion.
• Added support for extracting Office documents core, custom and extended properties.
• Added the option to disable the generation of the thumbnail when saving a presentation in PPTX format.
• Added the ability to save a presentation to metafile (EMF).
• Added the option to bypass thumbnail generation when saving a presentation.

修补程序

• Dashed borders in SVG images are converted to solid during SVG...

Released: Dec 5, 2024

V24.12 中的更新

特性

• Added support for the most commonly available spreadsheet functions.

修补程序

• SVG image becomes blurry when converting presentation slides to thumbnails or PDF.
• Text positions are not accurate when converting PPT to PDF.

Released: Nov 10, 2024

V24.11 中的更新

特性

• Added support for the Grid and Guides properties which allow you to configure the spacing between grid lines in the background of your document.
  • A new 'GridSpacing' property has been added to the 'IViewProperties' interface and the 'ViewProperties' class.
  • A new 'DrawingGuide' class and its corresponding interface 'IDrawingGuide' have been added. This class and the interface are used to define the settings for drawing guides.
  • A new 'DrawingGuidesCollection' class and its corresponding...

Released: Oct 14, 2024

V24.10 中的更新

特性

• Added support for getting the vanishing point option of a zoom animation.

修补程序

• Failed to change the width and height of tables.
• Coordinates of the paragraph are returned incorrectly.
• Importing HTML string to presentation throws InvalidOperationException.
• IndexOutOfRange exception on loading presentation.
• Vertical text on EMF image is rotated when converting PPT to PDF.
• Exporting presentations to HTML5 with externally linked images throws NotImplementedException.
• Font height for chart data...

Released: Sep 20, 2024

V24.9 中的更新

特性

• You can now remove cropped areas from images and set the DPI.
• Removed the deprecated AddVideo(Stream stream) method.

修补程序

• Regression: PPT to XPS - Image quality decrease.
• Failed to extract the animation direction from effect options.
• Exporting to HTML5 throws "Index was out of range" exception.
• Text highlighting is missing when converting PPTX to HTML5.
• ArgumentException occurs when converting PPTX to GIF.
• Loading the PPTX file throws PptxReadException.
• Regression: Function ISERR not...

Released: Aug 16, 2024

V24.8 中的更新

特性

• Added support for identifying restricted fonts in PPTX files.
• Added a property to obtain binary content of the font from FontData.
• Added support for "Picture or texture fill" settings.
• Added support for displaying comments in generated HTML5 document.

修补程序

• The file exported by the writeAsMathMl method is missing color and font size.
• Summary Zoom does not work in exported PDF documents.