From IOL in S. Africa we learn that the Archbishop of Durban, Wilfrid Fox Card. Napier, upon turning 75 years old, as per Canon Law submitted his formal resignation to the Roman Pontiff. HERE
As you will recall, Card. Napier was voice of clarity and a great opponent of the machinations that took place and attempts to rig the last two Synods of Bishops.
It is up to the Pontiff to accept the resignation or not, keep him on or not, replace him quickly or not.
The speed with which he is replaced might tell us something… or not. It is hard to replace bishops of important sees with good men.
Right now, it seems that Card. Napier is still in place.
He can vote in a conclave to replace Pope Francis until he is 80.
There has not been a consistory for the creation of new Cardinals for some time now. That will be huge.