According to AFP:
The birth of a royal baby boy…may remove the sense of urgency around a historic change in the law…[e]nding male primogeniture…
The premiers of Britain, Australia, Canada, New Zealand and the 12 other countries where Queen Elizabeth reigns reached agreement in principle at the last Commonwealth summit in October 2011.
The law change must be unanimous and identical in each country to avoid ending up with different monarchs in different states. It can only come into effect when all the realms have ratified it.
It also removes the ban on a future monarch marrying a Roman Catholic…