Gravity Forms v1.3.12 has been released via automatic upgrade. This release implements WordPress 3.0 compatibility fixes and a minor enhancement to input fields to support HTML 5 input types. We strongly recommend you always run the latest version of the plugin.
Get complete details here:
http://www.gravityhelp.com/gravity-forms-1-3-12-released/
This update is critical for WordPress 3.0 support. Please update as soon as possible.