I’ve had an issue with fonts messing up in my browser. I thought it was just me! This has happened before, like when a client sent me their weird copy of Helvetica to install and it broke Digg like so (circa 2010).
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2010 digg.com with a client’s sketchy copy of Helvetica installed. Normal Helvetica would be equally wacky in their PSDs.
Today I finally traced the issue back (I think) to my Typekit local fonts. The history in pics:
This has been happening for months:
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It started with me being bugged by http://www.parkwayhyundai.ca/ – only for me though, not colleagues.
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Then I noticed it on http://docs.sublimetext.info/en/latest/reference/keyboard_shortcuts_osx.html
Clik here to view.

Then finally on daverupert.com which was the last straw!
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Today a coworker showed me this! So it wasn’t just me. We started to figure out common software. Thought it was Photoshop CC, but not all users had it…
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It wasn’t in Font Book, but I found this! Creative Cloud Typekit fonts!
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I removed local fonts…
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Uncle Bob!!!
UPDATE: A helpful gent from Adobe Typekit said it was an issue with font file versioning!