Will there be further development for Snampaker 2.0?

[Wyphorn]

More than that. Snapmaker announced that they do not plan to do anything new on the old Machines:

Exciting Times Ahead — Let's Look Back Before We Move Forward

Thank you for your detailed feedback and thoughts. At this time, we do not have plans to release updates for the Artisan or SM2 firmware. However, we remain committed to supporting our products through ongoing services and improvements in other areas. We truly value our community and appreciate everyone’s passion and contributions.