GroupDocs.Conversion for .NET 25.5 Release Notes

There are 10+ features, improvements, and bug fixes in this release.

Full list of changes in this release

Key	Category	Summary
CONVERSIONNET-7683	Feature	Support page layout options for HTML (Web) to PDF conversion
CONVERSIONNET-7712	Feature	Option to apply custom CSS styles to improve rendering when converting from HTML to output formats
CONVERSIONNET-7711	Enhancement	Docx to Pdf: conversion process takes two times longer.
CONVERSIONNET-7738	Enhancement	Improved application startup performance
CONVERSIONNET-7714	Bug	MSG to TIFF: Transparency is not set correctly
CONVERSIONNET-7669	Bug	PDF to PDF/A: Conversion creates corrupted pages in output file
CONVERSIONNET-7729	Bug	PowerPoint to PDF conversion fails
CONVERSIONNET-7749	Bug	PNG to PDF conversion issue
CONVERSIONNET-4215	Bug	Exception when converting Pdf to Html stream
CONVERSIONNET-7728	Bug	Error converting pptx file to html format
CONVERSIONNET-7648	Bug	RTF/DOC to DOCX conversion issue

Performance Improvements: Reduced application startup time and addressed slow DOCX to PDF conversion performance.
HTML to PDF Layout Control: Added support for page layout options when converting HTML (Web) content to PDF.
Custom CSS Styling: Introduced the ability to apply custom CSS during HTML conversions to improve output rendering quality.
Key Bug Fixes: Fixed issues including MSG to TIFF transparency handling, corrupted pages in PDF/A output, failures in PowerPoint and PNG to PDF conversions, and exceptions during conversions from PDF to HTML, PPTX to HTML, and RTF/DOC to DOCX.

Introduced a new PageLayoutOptions property into WebLoadOptions class. When set to ScaleToPageWidth, the content will be scaled to match the page width.
```
var loadOptions = new WebLoadOptions
{
    PageLayoutOptions = PageLayoutOptions.ScaleToPageWidth
};
```
A new CustomCssStyle property is introduced in WebLoadOptions class. The styles provided there are added to the html document before conversion, allowing custom rendering improvements.
Removed obsolete AutoFontSubstitution and HideComments properties from WordProcessingLoadOptions