A visual comparison between Latin Modern (blue) and MLModern (red) at the same size. You probably have created PDF documents using R Markdown or Quarto. The default look and feel of these documents are driven by the default typeface, Computer Modern, or its extended implementation, Latin Modern. To me, these default typefaces work fine, but they could be “thicker” to be more legible on HiDPI and Retina displays. MLModern offers such a sturdy rendition of the Computer Modern …