We recommend that you sign up within TurboTax to be notified when your form is ready. When you try to e-file a form that's not available yet, you'll get a message with the option to sign up.
Please click on Review, on the left menu. You may see a message "Some of your tax forms are not ready". Below the message, you can select the link that says "I want to sign up for email notifications.
Please see the TurboTax FAQ's below for form availability:
@benes
