Federal forms additional income (line8 other income) type in description Unemployment non taxable per covid bill 3/21 -$10200 (negative number)..
Absolutely don't do that until (a) it actually becomes law and (b) the IRS says what THEY are doing.
It is POSSIBLE the IRS will automatically fix/change things on the non-updated forms. If the IRS were to do that, you would be manually adding the deduction and then the IRS would add the deduction again.
No, ProSeries can't do anything until (a) it actually becomes law and (b) the IRS figures out what to do and tells the software companies what to do. If the IRS does not automatically do things, I suspect it will be close to a month until things are ready.