Some
forms are not yet finalized with the IRS.
You
can click on Review on the left-hand side of your TurboTax Online screen and
your forms and dates available will be displayed. Along with a link that will
allow you to get email notifications and updates on your forms availability.
Here
is a list for your reference:
https://ttlc.intuit.com/questions/1908854-irs-forms-availability-table-for-turbotax-individual-perso...