As a medical user, I really hope she will stick to this if elected. Trump is doing more "leave it up to the states" bullshit except specifically for Florida and no other state.
There's an actual process for it that's underway. I don't remember the details, but it's approaching the final stages. So basically, Biden has in fact been working on it, he's just doing it properly so it's harder to overturn for petty bullshit republican reasons.