Version 0.18.0

v0.18.0 - 2026.04.07

• Added conversion options to WordprocessingDocument.SaveTo extension methods
• Added ability to append to existing Markdown / plain text when converting DOCX
• Markdown ➡️ DOCX / RTF converter: added ability to configure page size and margins
• Improved input/output encodings handling
• Code refactor for maintainability and extensibility
• Remove .NET 6 target, now out of support
• Created GitHub Actions workflow for build, test and NuGet publish
• Added JPEG2000 support in image converters
• Created DocSharp.MagickNET and DocSharp.SkiaSharp packages as alternative graphics backends to System.Drawing.Common and ImageSharp
• Added WMF support in non-GDI+ image converters thanks to a custom parser
• Implemented basic DOCX ➡️ PDF / images / XPS / SVG renderer via QuestPDF in a separate package
• Implemented RTF ➡️ DOCX converter
• Fixed right, bottom and diagonal border in XLS converter
• Improved math conversion iin DOCX ➡️ RTF converter
• Fixed duplication of default font in the font table that could occur in DOCX ➡️ RTF conversion
• Better mapping of styles in DOCX ➡️ HTML / Markdown converter
• Allow customizing DOCX style id mappings for headers, quote, etc. in DOCX ➡️ Markdown/HTML converter
• Option to handle custom font families as code inline (preformatted text) in DOCX ➡️ Markdown converter
• Support emphasis and images inside hyperlinks in DOCX ➡️ Markdown converter
• Support base64 images in Markdown ➡️ DOCX/RTF converter
• Fixed various bugs with images in Markdown ↔️ DOCX converters
• Fix: unnecessary space was created in DOCX ➡️ Markdown converter in some cases
• Fixed other bugs and improve code structure
• Updated dependencies