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 presentation files.
• Embedded Japanese fonts are rendered as garbled text when converting slides to images.
• Slide layout 'ColorMapOverride' is not applied to master slide shapes when rendering.
• Dashed lines on a chart are displayed incorrectly when converting PPTX to PDF.
• 'PptxReadException' occurs when loading a PPTX file.
• Vertical text incorrectly rotated when converting PPTX to PDF.
• PowerPoint to PDF/UA-1: Table header options (Header Row / First Column) not mapped correctly.
• Accessing 'IChartSeries.Name.AsCells' getter modifies a chart.
• Converting a shape to an image throws a 'NullReferenceException'.
• Incorrect list tag structure after PowerPoint to PDF conversion (PDF/UA).
• XPS export breaks layout.
• PowerPoint to PDF/UA: Paragraph is split into multiple tags.
• Images cause a presentation to fail to load.
• WordArt objects are displayed incorrectly when converting PPTX to PDF.
• Text layout is changed when loading and saving a PPT file.
• Font size is increased when loading and saving a PPT file.
• PowerPoint to PDF/UA: PAC crash on internal links using Named Actions.
• Number format of chart data labels changes when converting a slide to an image.
• A legacy 16-bit WMF file fails to render.