Most of the features I see here are also covered by Patreon, so I am having trouble finding much of a purpose for this platform, however, I know there is something here, so, throw out your ideas!
Weekly or Bi-Weekly Journal, perhaps coupons or some kind of deal benefit for a paid option when that comes available, maybe even some short writing exercises to connect with others, or even just posts about trying stuff you want to learn about or learn to do.
You can use it as a Patreon mirror in case Patreon goes down or to get people who may want to support you and don’t like Patreon.
Weekly or Bi-Weekly Journal, perhaps coupons or some kind of deal benefit for a paid option when that comes available, maybe even some short writing exercises to connect with others, or even just posts about trying stuff you want to learn about or learn to do.