Numbers fixes several bugs as well, including issues with columns and categorized checkboxes, categories and CSV export, and formulas that stopped working after you formatted a cell. In addition, the update improves the reliability of importing and exporting some Microsoft excel files, among other fixes.

There are also changes for the iWork.com beta, the online document sharing component to the iWork suite. The update adds 128-bit SSL encryption and document password protection. There's a new Comment notification feature aimed at improving document reviewing capabilities. And e-mail invitations are now sent via iWork.com instead of OS X's built-in Mail application.

Apple has posted on its Web site. The 59.62MB download is available from the Web site or Software Update; it's recommended for all iWork '09 users.