According to an article over on Crackberry, Research In Motion has pushed out an upgrade to the BlackBerry Facebook application.

The new Facebook version for BlackBerry is version 1.6.0.21 and is available now for download, and includes numerous bug fixes such as how the friends list is refreshed and calendar integration, facebook for BlackBerry to display a maximum 1200 friends.

It is suggested that if you are a BlackBerry Facebook user you should grab this update as soon as possible to ensure the app runs correctly at all times for the user.