macOS 27. 3 adds native Markdown rendering to Quick Look, allowing users to preview . md files with their formatting applied. In the first beta of macOS 27. 3, Quick Look displays styled headings, bold text, lists, and links when previewing Markdown documents. Selecting a file in Finder and pressing the Space bar brings up a readable preview, without requiring a separate editor or Quick Look extension. The addition builds on Apple’s broader adoption of Markdown…