See this IRS website - https://www.irs.gov/newsroom/irs-opens-2020-filing-season-for-individual-filers-on-jan-27
We hear this every tax year and so do the other tax software providers for their software.
Each tax year, before the IRS officially starts accepting tax returns, the IRS will pull small batches of tax returns from all the tax software providers servers to test the IRS systems.
