Cape Town was meant to start the new runway and get an A380 gate in time for the end of 2016, but nothing seems to have been done/announced since the completion of the consultation back in May 2015.
http://www.srk.co.za/en/cape-town-in...-alignment-eia
Immigration might not be able to cope with the influx, my BA flight (747) in November arrive early, but the QR (787) and Condor (767) flights were slightly late, and it took 1.5 hours to clear immigration, and I was one of the first off the plane