Apple has updated each of their iWork applications for iOS and OS X with security patches, bug fixes, and speed improvements. The apps in question are Pages, Keynote, and Numbers. The updates are available for download through the Mac App Store and iOS App Store depending on which platform you’re on. If you don’t already have iWork, it’s $19.99/program on OS X and $9.99/program on iOS.
Here’s a full list of all the release notes for each program on iOS and OS X: