Very neat! It would be cool to see, I'm sure. Anarki hadn't changed too much, but there are some things for sure. Any especially cool features added or changed? Must be cool to work in a language you control.
https://news.ycombinator.com/item?id=11240350 has discussion of one change we made to Arc, though it's already 8 years old - the midpoint between today and the original release of Arc, I guess.