From the author of the article you referenced
A cautionary note: This is a draft return, and not yet the real thing. That means, reminds the IRS, "Do not file draft forms and do not rely on draft forms, instructions, and publications for filing." The IRS cautions that "unexpected issues occasionally arise, or legislation is passed" which means that this form could look a lot different in the final version that it does now. Things could change - and if we've learned anything from 2020, it's that they probably will.
