No news that I’ve heard yet. I think they are focusing on delivery first, upgrades second.
A CNC router head would be unlikely, because of the amount of dust. However, they could include a dust collecting shroud that could help, but it might be more than just a head attachment at that point.
There was alot of discussion awhile back on this. There was talk of a 3d printing head, a vinyl cutter head, a drawing/sharpie holder head, angled laser, etc. Personally, I would like a diode laser head.
Here is the speculation thread I started about this.