Let’s see, I had the old theme, but I set it to the new one now.
Oh, there’s the setting, too: Preferences - Interface - Show new / updated topic count on browser icon.
And for me it still works …
Hmmm … Privacy Badger is blocking Google Analytics, and rightly so.
Come on, Fairphone, Piwik has been around for years now … or does the blame belong to Discourse?