Queen of Cups is in the drop table from 2 campaigns ago, and the Queen of Runes should be added next week. (But Jeto is probably swamped, so we should be patient…)
No changes to vault key rewards (besides the new chaos orbs we got) makes them not that valuable to end gamers. We just get the new Tarot card and only the gems have some value.
I asked about changing vault key rewards, and nothing has happened, so all our opinions are just dust in the wind anyway…