Rack is probably the most important project for the Ruby world since Rails. Allowing any ruby web framework to work seamlessly with each other should help propel the newly competing web framework as first class citizens, to be used easily alongside Rails .

Soon we'll see Routing, Authentication, and Debugging all using Rack middleware instead of framework specific plugins.

Why were you downmodded? This is exactly what's going to happen, and it's going to be awesome. For details, check out Jon Crosby's talk on rack middleware: http://mwrc2009.confreaks.com/13-mar-2009-11-05-in-a-world-o...

Congrats to the core team and all of the contributors!

For those who haven't checked it out, the spec is surprisingly short (http://rack.rubyforge.org/doc/files/SPEC.html).

http://rack.rubyforge.org/doc/SPEC.html is the current specification. The new documentation interface (the Darkfish template) uses different paths.

This isn't the 1.0 spec. They haven't updated the files on the website yet.