The Canon EOS 5DS & 5DS R are already 3 years old now, there are already rumors on next version 5DS/R Mark II. But according to latest rumors on CR, The Canon EOS 5DS and 5DS R maybe replaced by a high megapixel full frame EOS R mirrorless camera.
According to latest rumors, a new wide-angle zoom lens is also to be announced in early 2019.
via: CR