macOS 27.3 Enables Direct Preview of Markdown Files
The first developer beta of macOS 27.3 introduces native Markdown rendering to Quick Look, allowing users to preview headings, bold text, lists, and links by pressing the spacebar in Finder—no extra editors or extensions required. Apple had previously supported Markdown import and export in the iOS 26 Notes app, and added support for copying and pasting Markdown-formatted content in iOS 27.
macOS 27.3 Enables Direct Preview of Markdown Files
The first developer beta of macOS 27.3 adds native Markdown rendering to Quick Look, displaying the actual formatting of headings, bold text, lists, and links when previewing .md files. Simply select a file in Finder and press the spacebar to view it, without needing to install a separate editor or Quick Look extension.
Apple has been continuously enhancing Markdown support in its systems: iOS 26's Notes app gained import and export capabilities, and iOS 27 supports copying and pasting Markdown-formatted text.
Source: MacRumors
