Aspose.HTML for Java 25.4

What’s new in the Aspose.HTML for Java 25.4

Release Highlights

Aspose.HTML for Java 25.4 introduces major performance improvements and API enhancements. Rendering execution time is now up to 70% faster with average gains of 28%, while memory usage has also been reduced. This release adds support for native Java types including java.io.Writer, java.io.InputStream, and java.io.Closeable, and resolves numerous conversion and rendering bugs.

Bug Fixes

• HTMLJAVA-1412 – Fixed HTML to DOCX conversion issue
• HTMLJAVA-2004 – Fixed MHT to PDF conversion error (“element already exists”)
• HTMLJAVA-1157 – Resolved NullPointerException during HTML to JPG on CentOS
• HTMLJAVA-1853 – Fixed missing image issue in HTML to image conversion
• HTMLJAVA-803 – Corrected discrepancies between Java API and online HTML to PDF output
• HTMLJAVA-1859 – Fixed infinite loop during HTML to PNG conversion
• HTMLJAVA-1998 – Resolved image rendering issues in MHT conversion (also improved performance)
• HTMLJAVA-1715 – Optimized HTML to PDF conversion time
• HTMLJAVA-1204 – Reduced execution time to 67ms

Additional Improvements

• HTMLJAVA-1259 – Fixed ClassCastException in Converter.convertHTML() and restored missing images
• HTMLJAVA-1448 – Resolved font name table exception in HTML to PDF (restored image output)
• HTMLJAVA-1646 – Fixed NullPointerException and image loss in PDF conversion
• HTMLJAVA-806 – Improved performance and restored missing images in slow HTML to PDF conversions

Public API and Backward Incompatible Changes

✅ Added Features

• New Save Formats in Accessibility Module
  ValidationResultSaveFormat enum:

  • Text = 0, JSON = 1, XML = 2

• New saveTo() Methods
  ValidationResult.saveTo(java.io.Writer writer)
ValidationResult.saveTo(java.io.Writer writer, int format)

• Java Native Support

  • Content now implements java.io.Closeable
  • New constructor: StreamContent(InputStream content)

🔍 Explore the Full Release Details

For full list of updates, please visit Aspose.HTML for Java 25.4 Release Notes

html rendering | java writer | html to docx | image conversion | html performance