Just got some new info from the author himself,
> This is going to be a short reply, until I can put out a better
> articulated blog post on the current status and what to look forward to
> in terms of new script# releases. The project is not dead - just that
> its reached a temporary plateau of a stable release, with lots of teams
> using it successfully to get their job done. Yes, there are bugs, but I
> haven't heard things that are fundamentally blocking from all the folks
> using it day to day. There are also some features people want, as well
> as things I'd like to get done, but that needs to be balanced with
> available resources. There will be forthcoming releases. In fact just
> over the last couple of weeks I've been including a number of bug fixes
> for a release hopefully soon, my hope is before, but more realistically
> right after PDC. And then a subsequent quick turn around release adding
> support for all the new stuff added to
asp.net ajax in 4.0. Sorry for
> the lack of explicit updates... should have been messaged better. I was
> hoping for something more concrete to share than continually saying,
> yes, I am hoping for a new build in the Fall of '09 :)
> Thanks, Nikhil