Based on the IRS draft forms, Form 8915-F is to handle the COVID divisor of 3.0, and TurboTax and the other tax software should be able to support it just as well as 2020 Form 8915-E.
If TurboTax 2020 couldn't e-File 8915-E, never mind I take it back,
My tax software had no problem e-Filing it.
