Apple has updated its Keynote presentation application.

Version 1.1.1 improves stability and includes several enhancements including better PowerPoint import and export compatibility; enhanced performance of imported QuickTime video; an option to maintain 3D transitions within projected screen area; and improved interaction and feedback while working with slides in the Navigator.

Also included is an option to downsample images upon import, the ability to reduce the size of Keynote themes and files, and the ability to reduced the size of exported PDF files.

Optimized playback of exported QuickTime files is supported, and the new version features the ability to jump to specific slides during a slideshow and the ability to show series labels on vertical bar-charts.

Mac OS X 10.2.8 or later is required with version 1.1.1 of Keynote. The 31MB download is available via the Mac OS X Software Update preference pane.