• Add notebook drag-and-drop: move notebooks into other notebooks or back to root via the Notebooks header. Updates Quick Access, icons, and search index automatically.
• Fix scrollbar flicker on long notes with code blocks: replace widget decorations with CSS ::after pseudo-elements for language labels.
• Fix indented text in blockquotes losing bold/formatting on markdown roundtrip: convert leading tabs/em-spaces to   entities.
• Batch editor toolbar state updates with requestAnimationFrame.
• Darken + New Note button accent color.
• Fix nested ordered list items losing nesting on markdown roundtrip: changed indentation from 2 spaces to 4 spaces so ordered list markers nest correctly per CommonMark spec.
• Add macOS auto-update support: detect macos install type and enable the Download & Install button for macOS users.
• Fix update Download & Install button not working without manual check: persist the updater object in a global store at startup so the button works immediately when an update is detected.
• Close in-note search bar when switching notes: automatically dismiss the search bar when navigating to a different note.
• Add single-instance support: prevent duplicate app windows using tauri-plugin-single-instance.