I'm not on a retina display but that doesn't look as nice. The letters are so thin they start to disappear even before using the light-purple-on-dark-purple font.
Judging by my windows machine and using just my eyes, yes, it's a little thinner, and no, there's no problem reading it. The faded-grey-ness of the words "to Heroku" is a much bigger legibility problem than the minor change in font weight.
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I'm not on a retina display but that doesn't look as nice. The letters are so thin they start to disappear even before using the light-purple-on-dark-purple font.
the font does look thinner but I like it (doesn't look any more invisible from my eyes)
The fact that on a Mac the font is thinner makes me wonder if you can even see it on Windows?
Judging by my windows machine and using just my eyes, yes, it's a little thinner, and no, there's no problem reading it. The faded-grey-ness of the words "to Heroku" is a much bigger legibility problem than the minor change in font weight.