I'm wondering how this impacts existing paying users. As far as I understand, by downgrading, we'd lose access to current 30-day revision history and access to

I'm wondering how this impacts existing paying users. As far as I understand, by downgrading, we'd lose access to current 30-day revision history and access to an API that's still Coming Soon™. I guess it makes sense to downgrade until API is actually released. "Coming soon" messaging seems promising, but yet again, it's been on their priority list for at least half a year now. Seems hardly justified to spend another $30 or so waiting for it.