Forcing every website to adapt to a browser update is completely infeasible.
> I can't imagine there are many sites passing significant amounts of data through this
This is actually a quite common mechanism for popup-based authentication (which is much more secure than iframe-based one, as users can verify where they're potentially entering their credentials).
> I can't imagine there are many sites passing significant amounts of data through this
This is actually a quite common mechanism for popup-based authentication (which is much more secure than iframe-based one, as users can verify where they're potentially entering their credentials).