FresYes is right. IRS released the Form 2210 about a month ago. TT says IRS has not made it available yet.
TT says I owe a penalty. I don't. If you are using the exact withholding method to reduce or eliminate the penalty, one cannot file until TT clones the IRS form, which - to repeat - has been available to the public for about a month. The 2021 Form 2210 is significantly different from 2020, but nearly identical to the 2019 form.
