Since updating to Mavericks, I’ve noticed that text is not rendered as crisply. Here are some screenshots showing Verdana in Safari 7:
It feels harder to read, and compared side-by-side the Mavericks text looks like a fuzzy mush to me.
When using Xcode 5 with a Retina display connected, it does not seem to be possible to turn off font-smoothing. This is a shame because (on the adjacent non-Retina display) I find code fonts much easier to read without font smoothing. Not only is reading more pleasant, but I can comfortably use a 3pt smaller font and see more code (and therefore context) on screen at once.
Mavericks, like Mountain Lion, seems to ignore the Use LCD font smoothing when available system preference and always display PDFs using subpixel anti-aliasing:
If I wanted to see colored pixels, I wouldn’t have unchecked that box.
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