The state must first approve TT's version (programming) of the form.
Some state forms have not been finalized for tax preparation software.
https://ttlc.intuit.com/community/forms/help/state-forms-availability-table-for-turbotax-individual-personal-tax-products/00/26227
Form 40N, Individual Income Tax Return (Nonresident) for tax year 2021 is estimated to be available on 02/03/2022
Go to this TurboTax website for Oregon state forms availability - https://care-cdn.prodsupportsite.a.intuit.com/forms-availability/turbotax_or_online_individual.html