This is kind of what happened to the KeeFox addon for Firefox. The developer one day decided to have a new default for URL matching. Instead of matching the hos

This is kind of what happened to the KeeFox addon for Firefox. The developer one day decided to have a new default for URL matching. Instead of matching the hostname, i.e. old.reddit.com, it would then match the 'domain' i.e *reddit.com. Back then it was as stupid as this is now...