Apple has updated its iWork apps for Mac OS X and iOS. Those apps are Pages, Numbers, and Keynote.
In the update notes, Apple only says that the upgrades offer "bug fixes and stability improvement. Keynote for OS X has been update to version 6.5.2, with Pages at 5.5.2, and Numbers at 3.5.2. The three iOS apps have all been revved to version 2.5.2.
The Mac versions can be downloaded from the Mac App Store. The iOS versions can be found at the Apple App Store.