Yes, it has been a very difficult year for tax filing. If you have not filed your 2020 tax return, yet, TurboTax is up to date with the new law and will guide you on how to claim these additional unemployment benefits on your tax return. If you already filed your 2020 tax return, you do not need to do anything to get these additional unemployment benefits.
Regarding your state filing you can follow these link(s) for information on your state and and the American Rescue Plan Unemployment Exclusions-
Do I need to amend my state return to update my un...
American Rescue Plan: What Does it Mean for You and a ...
