The questions listed under Hot Network Questions each have a little icon representing their exchange (a "P" for "Parenting", a speech bubble for "Meta", etc.) -- but recently these icons are all mixed up! For instance, a question from "Outdoors" might have the piggy-bank icon from "Money" on it. This is only for some exchanges, though (I haven't compiled a list of affected sites).
Who do I tell, if not you guys?
In Meta and Parenting, it seems to be working:
In UX, Workplace, and stackoverflow.com, it's broken: