Settings window — preferences for theme, file tree, editor, and focus mode (⌘,). Theme switcher — choose System, Light, or Dark appearance. Focus Mode styles — pick Hyperspace, Lava Lamp, or Random. Editor zoom — scale font size with ⌘+/⌘− (50–200%). Bug fixes: ⌘Z undo/redo now works correctly in the editor.

Focus Mode — hide everything except your content for distraction-free reading. Activate: 'Cmd + Shift + F'. Press Escape to exit back to normal mode. Bug fixes and performance improvements.

Linked files — clicking relative links between Markdown files now correctly opens the linked file. List rendering — list item continuation lines now render correctly per CommonMark spec.

Context menu in file tree — right-click files and folders for Open in New Tab, Reveal in Finder, and New File. New File from folder — creates an untitled document with the save panel pre-set to the selected folder.

New features : - Drag & drop tabs — reorder open tabs by dragging them in the tab bar. - Copy button for code blocks — one-click copy for any fenced code block in your preview. - PDF export from editor — Export as PDF now works when you're editing, not just in preview mode. Fixes: - Find fix — ⌘F reliably opens search in the active tab.

What's new in 1.13 • New File (⌘N) — create a new markdown document right inside MDViewer and save it later with the system save dialog • Open Recent — quickly reopen recent files from the File menu or by right-clicking the app icon in the Dock • Untitled draft fallback — empty new documents no longer lead to a blank, dead-end screen; instead, you get clear actions to edit, open a file, or discard the draft • Safer unsaved handling — closing the window now correctly asks what to do with unsaved changes • UI polish — fixed repeated Open File dialogs on rapid clicks and aligned the status bar icons for a cleaner look Under the hood • Improved overall stability and performance across editing, file handling, and view transitions