I estimate my taxes as well, so that I can make a Q4 estimated payment if necessary. I had been using TurboTax 2019 to get a rough estimate for 2020, and just got TurboTax 2020 within the last week.
This is the first year where I've gotten a "Not ready" error when visiting a section in TurboTax.
As it turns out, I was able to switch to Forms, and enter the data directly into the forms to get my estimate.
