With the launch of iCloud, many native apps in iOS and OS X are updated to support the latest cloud service from Apple. Apple iOS apps such as Pages, Numbers, and Keynote are updated as well. Notable missing is an update to Pages, Keynote and Numbers on the Mac to support iCloud.
It is inevitable that Pages, Keynote and Numbers on the Mac will eventually support iCloud. This is just a delay. And we suspect that brand new version of Pages, Keynote and Numbers for Mac is looming on the horizon.