As of today (I think, or maybe it was just before the weekend?), the profiles button will change into "Network profile" if there are no other communities to display:
In case one has their accounts set to hidden, the link will not appear:
This not necessarily a bug with the badges themselves - they are perfectly aligned on the font baseline (you will see they are if you measure them against the font-size of the element with the reputation count), just not the baseline the eye is expecting them to be aligned to.
The font-size of the badge count breakdowns is slightly smaller (12px) than the ...
This line is a disingenuous half-truth:
We didn’t change the default. We’ve only removed the ability to change
The default was the non-sticky header that scrolled out of the way when you moved down the page. The whole reason to have the preference was BECAUSE it was the option to give us the default back.
About the only time I need the top bar ...