READU.md v2.0.0

What's New in v2.0.0

Major Features

• Multi-Tab — open multiple files simultaneously with drag-to-reorder tabs
• Edit Mode — side-by-side Markdown editor + live preview (Ctrl+E)
• Shell Rendering Architecture — CDN resources loaded once, instant tab switching
• Smart Mermaid Caching — SHA256-based incremental DOM updates preserve rendered diagrams
• Full Page Screenshot — capture entire rendered pages as PNG (Ctrl+Shift+S)
• Dark Mode — automatically follows your Windows system theme

Improvements

• Upgraded to .NET 9 + Windows App SDK 1.6
• Syntax highlighting via highlight.js (auto dark/light)
• Per-tab scroll position and zoom level preserved
• Hot reload when files change externally
• Deep blue gradient logo redesign

Download

• READU.md-v2.0.0-x64.zip — Portable x64 build (requires Windows 10 1903+)
• WebView2 Evergreen Runtime is required (pre-installed on Windows 10 20H2+ and all Windows 11)