I'm aware - I wouldn't be asking about the Patreon exclusive stuff if I wasn't subscribed lol. But despite being subscribed I still can't access the outfit, nor can I find the new face settings mentioned in this update's notes.
Cosmo Posts the patreon builds to the Discord. With the correct patreon sub you get access to a Discord Role that gives you a new channel that all the patreon updates are stored in.
