Apple today released Keynote 2.0.1 which addresses isolated issues that may have affected reliability for some customers. Apple also released Pages 1.0.1 which addresses isolated issues that may have affected reliability for some customers and resolves an issue related to deleting complete pages.
Keynote Update 2.0.1 (21.8 MB) and Pages Update 1.0.1 (28.3 MB) are available via Mac OS X’s Software Update.
More information about Keynote here.
More information about Pages here.