Currently here are some new rumors about long awaited Canon EF 24-70mm f/2.8L IS USM lens. According to CR, this lens is in development.
Currently this lens is in the final stages of development and that the next phase will be testing by select photographers and manufacturing planning.
The official announcement of this lens will not likely be in 2018, it will be announced in 2019. Stay tuned for more info.
via: CR