Released: Mar 6, 2026

V26.3 での更新項目

機能

• Added support for opening text disguised as .ppt/.pps as text-imported presentations.

不具合の修正

• PowerPoint to PDF/UA - Existing alt texts not transferred for multiple element types.
• Extra paragraphs for animated text causing rendering artifacts.
• PowerPoint to PDF/UA - Automatically generated alt texts for tables, formulas, and images.
• PowerPoint to PDF - Font shadow and reflection rendered incorrectly.
• EMF image is displayed incorrectly when converting a slide to JPG.
• "No Image" is added and...

Released: Feb 6, 2026

V26.2 での更新項目

不具合の修正

• An SVG image is missing when converting a slide to PNG.
• PowerPoint to PDF/UA - Empty H2 tag on last slide (no content, no reference).
• Exception "Unable to cast object of type 'e' to type 'System.Int32'" when creating Presentation from the PowerPoint file.
• SVG image is displayed incorrectly when converting PPTX to PDF.
• PowerPoint to PDF/UA - Formula path element has incorrect position and invalid BBox.

Released: Jan 13, 2026

V26.1 での更新項目

機能

• Added support for sensitivity labels.
• Restored access to graphics path information from ShapeElement.

不具合の修正

• Ink objects are displayed incorrectly when converting PPTX to PDF.
• Graphics object is shifted when converting PPTX to PDF.
• A shape's hyperlink is missing when converting PPTX to HTML.
• Images are distorted when converting PPTX to PDF.
• Text shadow is displayed incorrectly when converting PPTX to PDF.
• Aspose.Slides 23.11 - Image rendering issue when saving a particular PPTX to HTML...

Released: Dec 5, 2025

V25.12 での更新項目

機能

• Added support for managing Guides on masters and slide layouts.

不具合の修正

• Opening and saving a PPT file throws a NullReferenceException.
• Converting ODP to HTML produces an empty document.
• Image is slightly shifted when converting a slide to an image.
• PPTX to PDF: Incorrect pie chart color in output.
• Saving presentations with HtmlOptions.PicturesCompression produces unexpected results.
• Combo chart displays differently when converting PPTX to PDF.
• Combo chart missing when converting PPTX to PDF...

Released: Nov 13, 2025

V25.11 での更新項目

機能

• Implemented the ability to assign custom image-saving handlers.
• Added support for retrieving font substitutions per slide.

不具合の修正

• ArgumentException error occurs when saving a presentation.
• NullReferenceException is thrown when calling Portion.GetRect.
• Failure to initialize presentation due to mathematical equations on slides.
• Force a fixed AutoShape height with text Autofit enabled.
• Text becomes bold when converting to PNG.
• Inaccuracies in animated text paragraph extraction and image...

Released: Oct 6, 2025

V25.10 での更新項目

機能

• Improved export of metafiles to PDF.

不具合の修正

• Characters are missing when converting PPTX to HTML.
• List bullets are changed when converting PPT to PDF.
• Converting PPT with EMF images to PDF adds borders to an image.
• Gray artifacts appear and circle edges are not smooth when converting PPTX to PDF.
• Returning an invalid value from the same cell in chart's workbook.
• Math formula is tagged as an artifact when converting PPT to PDF/UA.
• ActualMajorUnit property of a vertical chart axis always returns...

Released: Sep 3, 2025

V25.9 での更新項目

機能

• Improved import of extended Excel charts.

不具合の修正

• Drawn shapes and charts are incorrectly tagged as artifacts in the output PDF.
• Slide master content cropping when converting PPTX to PDF.
• PPTX to JPG: Output file is not rendered correctly.
• PPTX to PDF: EMF not rendered correctly in Linux.
• NullReferenceException occurs when saving a presentation to PPTX.
• Missing X, Y, Width, and Height values for chart elements.
• PptxReadException is thrown when loading a PPTX file.
• NullReferenceException is...

Released: Aug 5, 2025

V25.8 での更新項目

機能

• Added the ability to insert Excel charts as editable charts in a presentation.
• Added support for setting the typeface of the major and minor fonts in the master theme's font scheme.
• Added the ability to extract brightness and contrast properties of an image.
• Improved adding HTML content immediately after an object.
• Added support for preserving comment hierarchy when cloning slides with modern comments.
• Added support for extracting closed captions from audio.

不具合の修正

• Presentation.Save method...

Released: Jul 3, 2025

V25.7 での更新項目

機能

• Integrated AI Presentation Generator into Aspose.Slides.
• Added brushProperty:inkEffects rendering support for Ink.

不具合の修正

• NullReferenceException occurs when saving a presentation on Ubuntu.
• Logo at the bottom of the slide is missing when converting PPTX to HTML.
• NullReferenceException occurs when converting PPTX to XPS.
• Exceptions are thrown while trying to process links to charts.
• Saving presentation to PPTX document is stuck.
• NullReferenceException occurs when converting PPTX to HTML...

Released: Jun 7, 2025

V25.6 での更新項目

不具合の修正

• Text looks different when converting a text box to an image.
• The text wraps and appears outside the bounding box.
• Failed to extract name and alternative text from a shape in ODP file.
• PPTX to PDF: System.OutOfMemoryException when processing block list.
• Chart Y-axis values change during slide-to-image conversion.
• Bullet color changes from black to red when converting shapes to images.
• Chart legend is missing when converting PPTX to PDF.
• PPTX file showing overlapping content.
• Text...