Released: Apr 10, 2026

Updates in V26.4

Fixes

• ISlide.getImage(RenderingOptions, Dimension) returns lower quality image than ISlide.getImage(Dimension).
• Missing chart data labels after loading and saving a PPTX file (CELLREF).
• Axis labels and legend on a Stacked Area chart are not displayed when converting PPTX to PDF.
• Data labels on a Doughnut chart are displayed incorrectly when converting PPTX to PDF.
• NullPointerException when resizing Notes slide with shapes that don't have placeholders.
• NullPointerException is thrown when loading...

Released: Mar 19, 2026

Updates in V26.3

Features

• Added support for opening text disguised as .ppt/.pps as text-imported presentations.
• Added support for getting the size and rotation of a SmartArt shape.
• Added support for getting the width and height of the shape content.

Fixes

• Failed to find a way to determine an inherited scheme color.
• Fonts are changed while converting PPTX to PDF.
• Text glow effect appears when converting PPTX to PDF.
• Color of chart data labels is changed after loading and saving a PPTX file.
• Parts of math...

Released: Feb 11, 2026

Updates in V26.2

Features

• Extended Presentation.getSourceFormat() to return all of the supported formats.

Fixes

• Chart is squashed when loading and saving a PPTX file.
• Cancel/interrupt long-running PDF conversion operations.
• NullPointerException when reading a PPTX file.
• "Viewer.swf" file in Aspose.Slides is blocked by the client's firewall or antivirus system.
• 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...

Released: Jan 28, 2026

Updates in V26.1

Features

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

Fixes

• X-axis values on a chart are shifted when converting PPTX to PDF.
• A chart is missing when loading and saving/cloning a PPTX file.
• A blue line appears when converting a chart from PPTX to PDF.

Released: Dec 18, 2025

Updates in V25.12

Features

• Implemented Aspose.Slides Plugins.
• Added support for managing Guides on masters and slide layouts.
• Added support for populating data tags with data from another file.

Fixes

• Image is slightly shifted when converting a slide to an image.
• JoinPortionsWithSameFormatting carries over the "err" flag from the first text run.
• Combo chart missing when converting PPTX to PDF.
• Combo chart displays differently when converting PPTX to PDF.
• Data label format is not applied when presentation is saved...

Released: Nov 21, 2025

Updates in V25.11

Features

• Added support for retrieving font substitutions per slide.
• Implemented the ability to assign custom image-saving handlers.
• You can now convert PPTX to MD with insertion of links to images uploaded to a remote server.
• You can now prevent PPTX-to-MD conversion from escaping inserted image links.

Fixes

• GIF animations are not played when converting PPTX to MPEG-4.
• Wrong text wrapping when converting PPT to PDF.
• Converting PPTX to PDF in Java, charts are not rendered properly...

Released: Oct 15, 2025

Updates in V25.10

Features

• Improved export of metafiles to PDF.

Fixes

• Table is exported as multiple <P> tags when converting PPTX to PDF/UA.
• Formula is exported as multiple <P> tags when converting PPTX to PDF/UA.
• Multi-line headings are split into separate heading tags when converting PPTX to PDF/UA.
• Missing marked content references when converting PPTX to PDF/UA.
• PPTX with EMF to PDF conversion problems.
• Returning an invalid value from the same cell in chart's workbook.
• wk: Chart text not in right...

Released: Sep 16, 2025

Updates in V25.9

Features

• Improved import of extended Excel charts.

Fixes

• Missing X, Y, Width, and Height values for chart elements.
• Logo missing and label text broken in PDF output.
• Chart legend label values change when converting PPTX to PDF.
• wk : Chart legend items are in the wrong order after saving to image.

Released: Aug 15, 2025

Updates in V25.8

Features

• 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.

Fixes

• Text layout problems...

Released: Jul 15, 2025

Updates in V25.7

Features

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

Fixes

• Intermittent issues in font substitution.
• Text is rendered incorrectly when converting a slide to PNG.
• Creating the Area chart using a given series order.
• Incorrect drawing color when saving Ink object from PPTX to image.
• Fixed style errors in PDF conversion.