There are some significant changes in these announcements. I'm just flipping through them now, but for instance, the Working Holidaymakers Scheme looks as if it will change beyond all recognition.
If I've understood this correctly, it looks like Indian and Pakistani nationals, most Africans and many Caribbeans will be barred from participating in the new Youth Mobility Scheme. If you look on page 13 of the
document , the main criteria will switch from being a Commonwealth citizen to being a national of a "low risk" country that has entered into a reciprocal arrangement with the UK. A country can only be considered low risk and enter into such an arrangement if its citizens currently enjoy visa-free access to the UK. India, Pakistan and most of Africa and Asia and some of the Caribbean countries do not. For this reason, this strategy if implemented, would remove this route of entry to the UK.