Park seems to have bought a few misters for around the place:
Weird to get them towards end of summer, but better late than never (equally could have been delays outside their control). But if they have bought and own them, it should be easier to then get them out in future.
Also, the Hyperia stage is outside Ghost Train, presumably ready for Oktoberfest prep:
With Oktoberfest starting a week today, it does continue to show, in my opinion, that Oktoberfest is very much just a side quest style event that is the middle child of Thorpe's current line up. Whilst I like the idea, I question the worth of it moving forward.