https://support.coinbase.com/customer/portal/articles/2853600-bitcoin-cash---frequently-asked-questions Thought I'd never see that cash (I was a noob and held @ their wallet). Hopefully other exchanges follow (looking at Poloniex).
Apparently they'll be adding various altcoins in 2018 too, according to a statement made by co-founder and CEO Brian Armstrong in an interview. We'll see.