They released it on july the 28th. It fortunately supports my wide format 11x17. An interesting particularity is the support for the scanner. Scans are saved to PDF that means seeing them in iBooks.
Scanning from iPad will be interesting
Printing looks limited to photo though but possible in 8 1/2 x11.
I've just downloaded it and don't have time right now to try it. I'll write more later on.