As of now I would like to opt out of the new option iOS 11 gives, that is to suggest passwords in the app. When I run the app on iOS 11 I get the autofill option on top of t
You could try different answers here that conclude it's likely possible to remove the accessory view. But this leaves some bugs.
You could try to implement a custom keyboard perhaps, only for password fields. Also try to disable suggestions for your textfield, I think that also hides the accessoryView.
EDIT: Still no answer on Apple forums on the same question. Also I couldn't find anything regarding this in official UITextField documentation.