Still here in 18w50a..... Traveled about 10k blocks each direction and havent seen any signs of end cities.
I am also having this same issue in 18w50a. Aswell as Nethan Chesshir, i have traveled about 6 thousand blocks in the end, and end cities are not generating.
Still here in 18w50a..... Traveled about 10k blocks each direction and havent seen any signs of end cities.