Aspose.HTML for .NET V25.9

Released: Sep 26, 2025

V25.9 での更新項目

機能

  • Advanced Text and Symbol Rendering - The processing and rendering of complex text content have been significantly improved:
    • SVG Text Decorations: Extended support for text decorations in SVG, specifically adding the line-through property.
    • Extended Unicode Support: Improved handling of emojis and characters from extended Unicode range (≥ 0x10000) through:
      • Implementation of format 12 sub-table support in font CMAP tables.
      • Enhanced parsing of HTML numeric character references beyond 16-bit range.
  • Enhanced CSS Custom Properties - Support for CSS custom properties (the var() function) has been significantly improved:
    • Proper handling of cascading variables.
    • More accurate parsing and serialization of CSS values.
    • Full alignment with modern specification requirements.
    • Consistent rendering of styles relying on CSS variables.
  • Layout and Table Rendering Improvements
    • Enhanced Table Splitting: Improved table splitting logic for better rendering of documents with complex layouts.
      • More accurate page breaks within tables.
      • Better handling of multi-page table content.
  • Enhanced Text Decoration Support
    • Full implementation of text-decoration: underline and related properties:
      • text-decoration-skip-ink.
      • text-decoration-thickness.
      • text-underline-offset.
      • text-underline-position.
    • These properties provide precise control over decorative lines, particularly underlines for links, ensuring accurate rendering according to modern web standards.

不具合の修正

  • RTL Text Fix: Fixed rendering of surrogate pairs in right-to-left (RTL) texts, ensuring correct character display.
  • Strikethrough text does not work.
  • Surrogate pair reversed in RTL elements during text rendering.
  • MHT to PDF - exception - Incompatible unit types.
  • When converting to PDF, the underline changes its position relative to the text.
  • Incorrect rendering of some languages in EPUB file.
  • HTML to PDF: Emojis are not rendered correctly.
  • When converting, we would like to receive information about the currently processed element.
  • Failure to render certain UTF-8 encoded Unicode characters.
  • Smileys are not rendered correctly when HTML file is saved as PDF.
  • Missing emoji when converting HTML to PDF.
  • Convert downloaded webpage to MHTML format.
  • HTML to PDF: Intermittently conversion failure.