M2 to M3 was a complete architectural change that will require a lot of reverse engineering. As far as I know no one is working on this. The M1/M2 work was a labor of love of largely one dev that has since moved on.

The project is still active and working to upstream the work of these devs. But as far as I know, no NEW reverse engineering is being done. Ergo, it’s a dead end.

Would be happy to be proven wrong.