This bug appears to be fixed in 10.10.3.
I can confirm (with Pixie) the rendering is the same in Preview, Skim, and QuickLook, at least with subpixel rendering forced to 2.
This bug appears to be fixed in 10.10.3.
I can confirm (with Pixie) the rendering is the same in Preview, Skim, and QuickLook, at least with subpixel rendering forced to 2.