Earlier today, Palm released Palm webOS Update 1.0.4 which addresses security issues in the new mobile operating system.
Palm webOS 1.0.4 does not add any new applications or features to the Pre, but does raise the Sprint configuration to version 1.6. The nature of the security issues that are being addressed with the 1.0.4 update have not been specified.
You can download the Palm webOS 1.0.4 update over the air to your Pre by using the Updates application. For more information, visit the Pre software update page.