Moon Wizard answered on the Discord:
"We don't build any rulesets (game system frameworks) except for D&D and Pathfinder/Starfinder. Any others you see us working on or updating are rulesets passed to us over time as developers move on. Any project like this would be like all our other books. Driven by an interested community developer. Any developer who is interested can contact us at
[email protected]; and we can reach out to the publisher. We already have a relationship with the publisher; so getting approval/books should be straightforward. Since it says on that site that it doesn't ship until Oct. 2027; it seems a little early..."