Apple released Keynote 5.1.1 for the Mac on Thursday. The slim update notes state it “addresses issues when working with large Keynote presentations on OS X Lion, ” and added accessibility and stability improvements.
Keynote for the Mac
The update requires Mac OS X 10.6.6 or later, or OS X Lion. Keynote 5.1.1 is available through the Software Update application, or as a downloadable installer at the Apple Support website.