Use case

First, I have to thank you for your great work, Flutter gave us the developing speed we needed and even more. But there is still some accessibility focus edge cases that I can't find satisfying workarounds for, like these ones:

• When a modal is closed, the focus normally return to the button that opens it, whatever I do, the accessibility focus return to the first element of the screen;
• When an option is selected in a dropdown, the focus should return on the dropdown field itself, but again, the focus return to the first element of the screen;
• When a save button from a form is clicked but there is still errors in it, the focus should go on the first field with error. The best I have done is to manage focus with requestFocus() and ensure it's visibility when focused with a scroll animation, but the accessibility focus just go on the element in the middle of the screen and I'm not sure why;

Proposal

I don't know if this is possible, but it would be great to be able to manage accessibility focus just like the input one, or even better: that the accessibility focus follows the input focus.