Thanks for the great feedback, and thanks for the suggestions!We are going to be working on a bit of a redesign soon, to make all tools more easy to use, we'll take your ideas into account!
This PDF is not a real form like https://www.irs.gov/pub/irs-pdf/f1040.pdf, where you can just type directly and check checkboxes. The PDF shown in the what's new page is to show that even PDFs that are not correctly formatted as forms can still be f...