If by "progress" you mean that they addressed the specific concerns, sure. veyron http://news.ycombinator.com/item?id=4067025 http://news.ycombinator.com/item?

If by "progress" you mean that they addressed the specific concerns, sure. veyron http://news.ycombinator.com/item?id=4067025 http://news.ycombinator.com/item?id=4067025 pointed out that Sum[x^2,{x,1,y}]-y*(y+1)*(2*y+1)/6 was broken, but now it's fixed. programnature http://news.ycombinator.com/item?id=4067225 http://news.ycombinator.com/item?id=4067225 Plot[Sin[x], {x, -5, 200}] appears that issue was resolved as well. However, most of the comments seem to be directed at mathematica's language (none of which were resolved, seeing as how the goal was to replicate mathematica)