Yeah! So the latest premium version here on Itch is v7.20, you can read the patch notes here for it: https://zanithone.itch.io/a-house-in-the-rift/devlog/965020/new-premium-version-...
You can grab the premium version by pressing download now and entering $10 if it hasn't auto-filled. You'll have access to future premium version as they become available too.
Our Patreon has the latest updates first, where you can get Alpha access up to a month before that version releases. Our Patreon release schedule is: Alpha build of a new version is released at the start of each month. About a week later the Beta build is released. Then after another week the Early Access version is released. Then about a month later this version goes free and public.
Everywhere else, the releases come a bit later on. You can see the different membership tiers here: https://www.patreon.com/c/zanith/membership