Rabada has a good future. Olivier is also bowling better but think they would welcome back Morkel, Steyn and Philander over the summer. Abbott is gone though.
Markram settling in might make it a non-possibility but if they get all those blokes on deck I’d love to see them back their batting, stick qdk at 6, and play the four main quicks together with maharaj on a regular basis. Might be a means of prolonging steyn’s career.