This isn’t happening on Meta, but some other Discourse hosted sites are not showing letter icons for desktop views (in Firefox). They appear to work in the mobile view.
All of the users in this topic, found searching for something else:
In the JSON for webrocker:
Reviewing the code, it looks like
gsubed in in
app/models/user.rb, but size seems special because it changes based on view (hence working for mobile). I’m not clear where size is supposed to be subbed in and is failing to be.
I’ve seen this behavior at Imgur, too.