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 generation.
• The first slide displays for longer when generating a GIF from a PPTX file.
• NullReferenceException when opening an Excel file with ExcelDataWorkbook.
• InvalidDataException: Chart series names must be unique.
• PptxReadException is thrown when loading a PPTX file.
• External workbook paths for charts are empty.
• Chart data labels are inconsistent when creating thumbnails.
• Stack overflow error occurs when converting a slide to an image.
• Wrong text wrapping when converting PPT to PDF.
• Chart axis title is wrapped incorrectly when converting a slide to an image.
• Saving PPTX file as PDF causes text overlapping.
• GIF animations are not played when converting PPTX to MPEG-4.
• Regression in Markdown export: hyphens no longer escaped.