Release Highlights

Aspose.PDF for C++ 25.4 on Windows introduces robust enhancements for PDF generation and conversion, including a critical Markdown rendering fix, new AutoTagging strategies, and advanced security encryption hooks. Developers can now customize layout tagging and encryption flows with more precision.

New Feature

• Markdown Fix: Resolved NullReferenceException when converting PDFs to Markdown format.
• AutoTaggingSettings API: Added intelligent tagging control with HeadingRecognitionStrategy, HeadingLevels, and EnableAutoTagging.
• Encryption Extensibility:
  • Implement custom encryption logic with ICustomSecurityHandler interface.
  • Extract full encryption info using EncryptionParameters.
• TextState Enhancements: New boolean flags to check/set styling properties like font, spacing, alignment, colors, invisibility, and underline.
• License Reset: New License::ClearLicense() API for unbinding license settings.
• MarkdownSaveOptions Updates: Added getter/setter for HeadingStyle to manage heading conversions more accurately.

Enhancement

• AutoTagging and logical structure customization through PdfFormatConversionOptions::get_AutoTaggingSettings().
• Tagged content pre-save lifecycle control with ITaggedContent::PreSave() and Save() methods.

Fix

• Removed deprecated PdfToMarkdown::HeadingLevels and updated namespace access to centralized types.

👉 You can view the full list of updates by visiting Aspose.PDF for C++ 25.4 Release Notes

markdown conversion crash fix | aspose autotagging settings | custom encryption handler | pdf license reset | aspose pdf windows sdk