Stock is now available, and more is being created.
Visibility is always difficult for a new product. With a single engineer, taking care of production, marketing, and a hundred other tasks, it becomes even more difficult. But, there are very promising signs, with the device generating interest. And M!nder v2.2 has just been released as well.
In the meantime, plans for future versions are well underway. A major, new version is expected next year.