Inline Markdown preview ignores markdown.preview.fontSize; no way to enlarge preview text only

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Hey, thanks for the detailed report. Your diagnosis is correct, and this isn’t exactly a bug, it’s a current limitation.

Cursor has two different Markdown preview renderers:

  • Side preview Ctrl+K V uses the standard VS Code Markdown webview, and it reads markdown.preview.fontSize.
  • Inline Preview | Markdown tab is a separate WYSIWYG renderer with a fixed font size, and it doesn’t pick up that setting yet.

So your setting only works in side preview. For now, your options are:

  • Use side preview Ctrl+K V, it scales with markdown.preview.fontSize.
  • Use Ctrl + + or Ctrl + - to zoom the whole editor, including inline preview, but this is global zoom, not preview-only.

A separate setting for inline preview is a feature request here: Expose customization settings for inline Markdown Preview
It’s worth adding a vote or a comment there so the team can see it’s a priority. There’s no ETA yet.