Enabling "orange mode" will allow you to get new party members....

Orange Edition August Update

Orange Edition June Update

Orange Edition July Update

All of the Area 1 Party Members (I think)

Salvation Bald

Muddy Waters

Bobby Diddle and... wait who is that

No...

I've been meaning to make more standalone teasers like this that aren't part of the monthly updates. This is a new area in the park with some interesting content. Expect to see more soon :)